Control Module U Code List
This list includes all Data Communications related U-code DTCs in alphanumeric order with descriptors for all devices. Not all DTCs listed will be applicable to all vehicles. For symptom byte information, refer to Symptom Byte List. For appropriate diagnostic procedure, refer to Diagnostic Trouble Code (DTC) List - Vehicle.
| DTC | DTC Descriptor | Component Name | |
|---|---|---|---|
| U0073 | Control Module Communication CAN Bus 2 Off | N/A | |
| U0074 | Control Module Communication CAN Bus 3 Off | N/A | |
| U0075 | Control Module Communication CAN Bus 1 Off | N/A | |
| U0076 | Control Module Communication Powertrain Sensor CAN Bus Off | N/A | |
| U0078 | Control Module Communication CAN Bus 9 Off | N/A | |
| U0079 | Control Module Communication CAN Bus 4 Off | N/A | |
| U007A | Control Module Communication CAN Bus 10 Off | N/A | |
| U007B | Control Module Communication CAN Bus 5 Off | N/A | |
| U007C | Traction Power Inverter Module Private CAN Bus Off | N/A | |
| U007E | Control Module Communication CAN Bus 8 Off | N/A | |
| U0100 | Lost Communication with Engine Control Module | K20 Engine Control Module | |
| U0101 | Lost Communication with Transmission Control Module | K71 Transmission Control Module | |
| U0102 | Lost Communication with Transfer Case Control Module | K69 Transfer Case Control Module | |
| U0103 | Lost Communication with Gear Shift Control Module | K212 Gear Shift Control Module | |
| U010E | Lost Communication with Reductant Control Module | K115 Reductant Control Module | |
| U0110 | Lost Communication with Drive Motor Control | K107 Drive Motor Control Module |
| DTC | DTC Descriptor | Component Name | |
|---|---|---|---|
| U0111 | Lost Communication with Battery Energy Control Module | K16 Battery Energy Control Module | |
| U0114 | Lost Communication with Rear Drive Control Module | K47 Rear Drive Control Module | |
| U0121 | Lost Communication with Electronic Brake Control Module Lost Communication with Brake System Control Module 1 | K160 Brake System Control Module / K160A Brake System Control Module 1 / K17 Electronic Brake Control Module | |
| U0125 | Lost Communication with Vehicle Dynamic Sensor | B284 Vehicle Dynamic Sensor | |
| U0126 | Lost Communication with Steering Angle Sensor Module | B99 Steering Angle Sensor Module | |
| U0129 | Lost Communication with Brake System Control Module 1 | K160 Brake System Control Module / K160A Brake System Control Module 1 / K17 Electronic Brake Control Module | |
| U012A | Lost Communication with Chassis Control Module | K38 Chassis Control Module | |
| U0131 | Lost Communication with Power Steering Module | K43 Power Steering Control Module | |
| U0132 | Lost Communication with Front Suspension Leveling/Lifting Hydraulic Power Pack Module | K218 Front Suspension Leveling/Lifting Hydraulic Power Pack Module | |
| U0134 | Lost Communication with Active Rear Steering Motor Control Module | K92 Power Steering Control Module - Rear | |
| U0136 | Lost Communication with Differential Control Module | K164 Differential Control Module | |
| U0137 | Lost Communication with Trailer Brake Control Module | K67 Trailer Brake Control Module | |
| U0139 | Lost Communication with Electronic Suspension Control Module | K19 Suspension Control Module | |
| U013B | Lost Communication with Powertrain Compartment Cover Module | K241 Powertrain Compartment Cover Module | |
| U013F | Lost Communication with Pedestrian Alert Control Module | K132 Pedestrian Alert Control Module | |
| U0140 | Lost Communication with Body Control Module | K9 Body Control Module | |
| U0142 | Lost Communication with Lighting Control Module | K219 Lighting Control Module | |
| U0146 | Lost Communication with Serial Data Gateway Module | K56 Serial Data Gateway Module | |
| U0151 | Lost Communication with Restraints Control | K36 Restraints Control Module |
| DTC | DTC Descriptor | Component Name | |
|---|---|---|---|
| U0154 | Lost Communication with Restraints Occupant Classification System Module - Passenger | K85P Restraints Occupant Classification System Module - Passenger | |
| U0155 | Lost Communication with Instrument Panel Cluster Control Module | P16 Instrument Panel Cluster Control Module | |
| U0158 | Lost Communication with Head-Up Display | P29 Head-Up Display | |
| U0159 | Lost Communication with Parking Assist Control Module | K182 Parking Assist Control Module | |
| U0163 | Lost Communication with Automated Driving Mapping Module | K179 Automated Driving Mapping Module | |
| U0164 | Lost Communication with Heater and Air Conditioning User Interface Control - Front | A26 Heater and Air Conditioning User Interface Control - Front | |
| U0165 | Lost Communication with Heater and Air Conditioning Auxiliary Control | A34 Heater and Air Conditioning Auxiliary Control | |
| U0168 | Lost Communication with Content Theft Deterrent Sensor | B165 Content Theft Deterrent Sensor | |
| U0169 | Lost Communication with Sunroof Window Motor | K61 Sunroof Control Module | |
| U016B | Lost Communication with Electric Air Conditioning Compressor Control Module | K118 Air Conditioning Compressor Control Module | |
| U017E | Lost Communication with Front Seat Belt Retractor Motor - Left | M101L Front Seat Belt Retractor Motor - Left | |
| U017F | Lost Communication with Front Seat Belt Retractor Motor - Right | M101R Front Seat Belt Retractor Motor - Right | |
| U0180 | Lost Communication with Headlamp Control Module | K26 Headlamp Control Module | |
| U0181 | Lost Communication with Headlamp Leveling Actuator - Left | M29L Headlamp Leveling Actuator - Left | |
| U0183 | Lost Communication with Trailer Lamp Control Module | K68 Trailer Lamp Control Module | |
| U0184 | Lost Communication with Radio | A11 Radio | |
| U0186 | Lost Communication with Audio Amplifier | T3 Audio Amplifier | |
| U018A | Lost Communication with Headlamp Leveling Actuator - Right | M29R Headlamp Leveling Actuator - Right | |
| U018B | Lost Communication with Near Field Communication Module | K183 Near Field Communication Module | |
| U0196 | Lost Communication with Rear Seat Entertainment Display | P22F Video Display - Right Front Seat Back |
| DTC | DTC Descriptor | Component Name | |
|---|---|---|---|
| U0198 | Lost Communication with Telematic Control Module | K73 Telematic Control Module | |
| U019B | Lost Communication with Battery Charger Control Module | T18 Battery Charger | |
| U01B0 | Lost Communication with Battery Monitor Module | B110 Battery Monitor Module | |
| U01BB | Lost Communication with Battery Charger Control Module 2 | K57B Battery Charger Control Module 2 | |
| U0208 | Lost Communication with Front Seat Heater Control Module | K29F Front Seat Heater Control Module / K29FV Front Seat Heater Vent Control Module | |
| U0209 | Lost Communication with Front Seat Bladder Control Module - Driver | K104D Front Seat Bladder Control Module - Driver | |
| U020C | Lost Communication with Wireless Accessory Charging Module | T22 Wireless Accessory Charging Module | |
| U0210 | Lost Communication with Front Seat Bladder Control Module - Passenger | K104P Front Seat Bladder Control Module - Passenger | |
| U0211 | Lost Communication with Driver Seat Adjuster Memory Module | K40D Driver Seat Adjuster Memory Module | |
| U0212 | Lost Communication with Steering Column Control Module | K99 Steering Column Control Module | |
| U0214 | Lost Communication with Remote Function Actuator Module | K77 Remote Function Actuator Module | |
| U0215 | Lost Communication with Front Side Door Window Switch - Driver | S79D Front Side Door Window Control Switch - Driver | |
| U0216 | Lost Communication with Front Side Door Window Switch - Passenger | S79P Front Side Door Window Switch - Passenger | |
| U0217 | Lost Communication with Rear Side Door Window Switch - Left | S79LR Rear Side Door Window Switch - Left | |
| U0218 | Lost Communication with Rear Side Door Window Switch - Right | S79RR Rear Side Door Window Switch - Right | |
| U0222 | Lost Communication with Front Side Door Window Regulator Motor - Driver | M74D Front Side Door Window Regulator Motor - Driver | |
| U0223 | Lost Communication with Front Side Door Window Regulator Motor - Passenger | M74P Front Side Door Window Regulator Motor - Passenger | |
| U0224 | Lost Communication with Rear Side Door Window Regulator Motor - Left | M74LR Rear Side Door Window Regulator Motor - Left | |
| U0225 | Lost Communication with Rear Side Door Window Regulator Motor - Right | M74RR Rear Side Door Window Regulator Motor - Right | |
| U0229 | Lost Communication with Steering Wheel Heat Control Module | K32 Heated Steering Wheel Module |
| DTC | DTC Descriptor | Component Name |
|---|---|---|
| U0230 | Lost Communication with Rear Gate Module | K194 Rear Gate Module |
| U0231 | Lost Communication with Windshield Rain Sensor | B117 Windshield Outside Moisture Sensor / B117A Windshield Outside Moisture/Ambient Light and Humidity Sensor / B160 Inside Air Moisture and Windshield Temperature Sensor |
| U0232 | Lost Communication with Side Obstacle Detection Control Module - Left | B218L Side Obstacle Detection Control Module - Left |
| U0233 | Lost Communication with Side Obstacle Detection Control Module - Right | B218R Side Obstacle Detection Control Module - Right |
| U0235 | Lost Communication with Forward Range Radar Sensor - Long Range | B233B Forward Range Radar Sensor - Long Range |
| U0236 | Lost Communication with Column Lock Module | K60 Column Lock Module |
| U023A | Lost Communication with Image Processing Module 1 - Processor 1 | K124 Image Processing Module / K124AA Image Processing Module 1 - Processor 1 |
| U023B | Lost Communication with Image Processing Module - Processor 2 | K124 Image Processing Module / K124AB Image Processing Module 1 - Processor 2 |
| U023C | Lost Communication with Video Processing Module | K157 Video Processing Module |
| U023D | Lost Communication with Short Range Radar Sensor - Left Front | B233LF Short Range Radar Sensor - Left Front |
| U023E | Lost Communication with Short Range Radar Sensor - Right Front | B233RF Short Range Radar Sensor - Right Front |
| U0241 | Lost Communication with Front Headlamp - Left | E13LA Front Headlamp - Left |
| U0242 | Lost Communication with Front Headlamp - Right | E13RA Front Headlamp - Right |
| U0243 | Lost Communication with Parking Assist Control Module 2 | K182R Parking Assist Control Module - Rear |
| U0244 | Lost Communication with Running Board Control Module | K4 Running Board Control Module |
| U0246 | Lost Communication with Passenger Seat Adjuster Memory Module | K40P Passenger Seat Adjuster Memory Module |
| U0247 | Lost Communication with Rear Seat Heater Control Module | K29R Rear Seat Heater Control Module |
| U024B | Lost Communication with Rear Seat Adjuster Memory Module - Left | K40LR Rear Seat Adjuster Memory Module - Left |
| U024C | Lost Communication with Rear Seat Adjuster Memory Module - Right | K40RR Rear Seat Adjuster Memory Module - Right |
| DTC | DTC Descriptor | Component Name |
|---|---|---|
| U0256 | Lost Communication with Infotainment Control Switch | S165 Infotainment Control Switch |
| U0257 | Lost Communication with Radio Control | A22 Radio Control |
| U0259 | Lost Communication with Special Purpose Vehicle Control Module | K56U Special Purpose Vehicle Control Module |
| U0260 | Lost Communication with Front Seat Adjuster Switch - Driver | S64D Front Seat Adjuster Switch - Driver |
| U0261 | Lost Communication with Front Seat Adjuster Switch - Passenger | S64P Front Seat Adjuster Switch - Passenger |
| U0265 | Lost Communication with Front View Camera - Windshield | B174W Front View Camera - Windshield |
| U0271 | Lost Communication with Front Seat Heater Switch - Left | S32LF Front Seat Heater Switch - Left |
| U0272 | Lost Communication with Front Seat Heater Switch - Right | S32RF Front Seat Heater Switch - Right |
| U0284 | Lost Communication with Active Grille Air Shutter Actuator 1 | M96 Active Grille Air Shutter Actuator / M96A Active Grille Air Shutter Actuator 1 |
| U0285 | Lost Communication with Active Grille Air Shutter Actuator 2 | M96B Active Grille Air Shutter Actuator 2 |
| U0288 | Lost Communication with DC/AC Converter Control Module | T1 DC/AC Converter Control Module |
| U0293 | Lost Communication with Hybrid/EV Powertrain Control Module | K107 Drive Motor Control Module |
| U029D | Lost Communication with Nitrogen Oxides Sensor 1 | B195A Nitrogen Oxides Sensor 1 |
| U029E | Lost Communication with Nitrogen Oxides Sensor 2 | B195B Nitrogen Oxides Sensor 2 |
| U02A1 | Lost Communication with Nitrogen Oxides Sensor 3 | B195C Nitrogen Oxides Sensor 3 |
| U02A3 | Lost Communication with Particulate Matter Sensor | B136 Exhaust Particulate Matter Sensor |
| U02A9 | Lost Communication with Charge Air Cooler Coolant Pump | M10 Charge Air Cooler Coolant Pump |
| U02AE | Lost Communication with Hybrid/Electric Vehicle Battery Coolant Pump | G65 Hybrid/Electric Vehicle Battery Coolant Pump |
| U02CE | Lost Communication with Off-Board Charging Station | N/A |
| U0401 | Invalid Data Received from Engine Control Module | K20 Engine Control Module |
| DTC | DTC Descriptor | Component Name |
|---|---|---|
| U0402 | Invalid Data Received from Transmission Control Module | K71 Transmission Control Module |
| U0403 | Invalid Data Received from Transfer Case Control Module | K69 Transfer Case Control Module |
| U0404 | Invalid Data Received from Gear Shift Control Module | K212 Gear Shift Control Module |
| U040F | Invalid Data Received from Reductant Control Module | K115 Reductant Control Module |
| U0411 | Invalid Data Received from Drive Motor Control Module | K107 Drive Motor Control Module |
| U0412 | Invalid Data Received from Battery Energy Control Module | K16 Battery Energy Control Module |
| U0414 | Invalid Data Received from Rear Drive Control Module | K47 Rear Drive Control Module |
| U0418 | Invalid Data Received from Brake System Control Module 1 | K160 Brake System Control Module / K160A Brake System Control Module 1 / K17 Electronic Brake Control Module |
| U041A | Invalid Data Received from Electrical System Voltage Stabilizer Control Module | K186 Electrical System Voltage Stabilizer Control Module |
| U0420 | Invalid Data Received from Power Steering Module | K43 Power Steering Control Module |
| U0421 | Invalid Data Received from Front Suspension Leveling/Lifting Hydraulic Power Pack Module | K218 Front Suspension Leveling/Lifting Hydraulic Power Pack Module |
| U0422 | Invalid Data Received from Body Control Module | K9 Body Control Module |
| U0423 | Invalid Data Received from Instrument Panel Cluster Control Module | P16 Instrument Panel Cluster Control Module |
| U0424 | Invalid Data Received from Heater and Air Conditioning User Interface Control - Front | A26 Heater and Air Conditioning User Interface Control - Front |
| U0428 | Invalid Data Received from Steering Angle Sensor Module | B99 Steering Angle Sensor Module |
| U042B | Invalid Data Received from Chassis Control Module | K38 Chassis Control Module |
| U0432 | Invalid Data Received from Vehicle Dynamic Sensor | B284 Vehicle Dynamic Sensor |
| U0433 | Invalid Data Received from Forward Range Radar Sensor - Long Range | B233B Forward Range Radar Sensor - Long Range |
| U0435 | Invalid Data Received from Active Rear Steering Motor Control Module | K92 Power Steering Control Module - Rear |
| DTC | DTC Descriptor | Component Name | |
|---|---|---|---|
| U0437 | Invalid Data Received from Differential Control Module | K164 Differential Control Module | |
| U043A | Invalid Data Received from Electronic Suspension Control Module | K19 Suspension Control Module | |
| U0443 | Invalid Data Received from Lighting Control Module | K219 Lighting Control Module | |
| U0447 | Invalid Data Received from Serial Data Gateway Module | K56 Serial Data Gateway Module | |
| U0452 | Invalid Data Received from Restraints Control Module | K36 Restraints Control Module | |
| U0455 | Invalid Data Received from Restraints Occupant Classification System Module - Passenger | K85P Restraints Occupant Classification System Module - Passenger | |
| U045A | Invalid Data Received from Parking Assist Control Module | K182 Parking Assist Control Module | |
| U046C | Invalid Data Received from Electric Air Conditioning Compressor Control Module | K118 Air Conditioning Compressor Control Module | |
| U046F | Invalid Data Received from Powertrain Compartment Cover Module | K241 Powertrain Compartment Cover Module | |
| U0485 | Invalid Data Received from Radio | A11 Radio | |
| U0487 | Invalid Data Received from Audio Amplifier | T3 Audio Amplifier | |
| U0499 | Invalid Data Received from Telematic Control Module | K73 Telematic Control Module | |
| U049C | Invalid Data Received from Battery Charger Control Module | T18 Battery Charger | |
| U04A4 | Invalid Data Received from Particulate Matter Sensor | B136 Exhaust Particulate Matter Sensor | |
| U04B1 | Invalid Data Received from Battery Monitor Module | B110 Battery Monitor Module | |
| U04BE | Invalid Data Received from Battery Charger Control Module 2 | K57B Battery Charger Control Module 2 | |
| U04D7 | Invalid Data Received from Hybrid/Electric Vehicle Coolant Heater | E54V Hybrid/Electric Vehicle Coolant Heater | |
| U0512 | Invalid Data Received from Driver Seat Adjuster Memory Module | K40D Driver Seat Adjuster Memory Module | |
| U052A | Invalid Data Received from Steering Wheel Heat Control Module | K32 Heated Steering Wheel Module | |
| U0532 | Invalid Data Received from Windshield Rain Sensor | B117 Windshield Outside Moisture Sensor / B117A Windshield Outside Moisture/Ambient |
| DTC | DTC Descriptor | Component Name | |
|---|---|---|---|
| Light and Humidity Sensor / B160 Inside Air Moisture and Windshield Temperature Sensor | |||
| U0537 | Invalid Data Received from Column Lock Module | K60 Column Lock Module | |
| U053B | Invalid Data Received from Image Processing Module 1 - Processor 1 | K124 Image Processing Module / K124AA Image Processing Module 1 - Processor 1 | |
| U053C | Invalid Data Received from Image Processing Module 1 - Processor 2 | K124 Image Processing Module / K124AB Image Processing Module 1 - Processor 2 | |
| U053D | Invalid Data Received from Video Processing Module | K157 Video Processing Module | |
| U0547 | Invalid Data Received from Passenger Seat Adjuster Memory Module | K40P Passenger Seat Adjuster Memory Module | |
| U054C | Invalid Data Received from Rear Seat Adjuster Memory Module - Left | K40LR Rear Seat Adjuster Memory Module - Left | |
| U054D | Invalid Data Received from Rear Seat Adjuster Memory Module - Right | K40RR Rear Seat Adjuster Memory Module - Right | |
| U0557 | Invalid Data Received from Infotainment Control Switch | S165 Infotainment Control Switch | |
| U055A | Invalid Data Received from Special Purpose Vehicle Control Module | K56U Special Purpose Vehicle Control Module | |
| U0561 | Invalid Data Received from Front Seat Adjuster Switch - Driver | S64D Front Seat Adjuster Switch - Driver | |
| U0562 | Invalid Data Received from Front Seat Adjuster Switch - Passenger | S64P Front Seat Adjuster Switch - Passenger | |
| U0566 | Invalid Data Received from Front View Camera | B174 Front View Camera / B174W Front View Camera - Windshield | |
| U0585 | Invalid Data Received from Active Grille Air Shutter Actuator 1 | M96 Active Grille Air Shutter Actuator / M96A Active Grille Air Shutter Actuator 1 | |
| U0586 | Invalid Data Received from Active Grille Air Shutter Actuator 2 | M96B Active Grille Air Shutter Actuator 2 | |
| U0593 | Invalid Data Received from Drive Motor Control Module 2 | K107B Drive Motor Control Module 2 | |
| U0594 | Invalid Data Received from Hybrid/EV Powertrain Control Module | K107 Drive Motor Control Module | |
| U0599 | Invalid Data Received from Multifunction Power Supply Converter | T19 Multifunction Power Supply Converter | |
| U059C | Invalid Data Received from Drive Motor Control Module 3 | K107C Drive Motor Control Module 3 | |
| U059E | Invalid Data Received from Nitrogen Oxides Sensor 1 | B195A Nitrogen Oxides Sensor 1 |
| DTC | DTC Descriptor | Component Name |
|---|---|---|
| U059F | Invalid Data Received from Nitrogen Oxides Sensor 2 | B195B Nitrogen Oxides Sensor 2 |
| U05A8 | Invalid Data Received from Nitrogen Oxides Sensor 3 | B195C Nitrogen Oxides Sensor 3 |
| U05BD | Invalid Data Received from Automated Driving Mapping Module | K179 Automated Driving Mapping Module |
| U05CF | Invalid Data Received from Off-Board Charging Station | N/A |
| U0601 | Lost Communication with Particulate Filter Pressure Sensor | B345 Exhaust Pressure Differential Sensor / B345P Exhaust Pressure Differential Sensor - Particulate Filter |
| U0602 | Lost Communication with Particulate Filter Pressure Sensor Bank 2 | B345B Exhaust Pressure Differential Sensor - Bank 2 |
| U0606 | Lost Communication with Throttle Position Sensor 1 | Q38 Throttle Body |
| U0607 | Lost Communication with Throttle Position Sensor 2 | Q38 Throttle Body |
| U060F | Lost Communication with Mass Airflow Sensor 1 | B75 Mass Airflow Sensor / B75D Mass Airflow Sensor - Bank 1 |
| U0610 | Lost Communication with Mass Airflow Sensor 2 | B75E Mass Airflow Sensor - Bank 2 |
| U0617 | Lost Communication with Engine Coolant Control Valve | Q74 Engine Coolant Bypass Valve |
| U0623 | Lost Communication with Heater Coolant Pump | G17 Heater Coolant Pump |
| U0625 | Lost Communication with Fuel Rail Pressure Sensor | B310 Fuel Pressure and Temperature Sensor |
| U062C | Lost Communication with Air Conditioning Condenser Refrigerant Flow Valve - Heater Motor | Q111 Air Conditioning Condenser Refrigerant Flow Valve - Heater |
| U062D | Lost Communication with Air Conditioning Condenser Refrigerant Flow Valve - External Motor | Q110 Air Conditioning Condenser Refrigerant Flow Valve - External |
| U062E | Lost Communication with Air Conditioning Evaporator Electronic Expansion Valve Motor | Q113 Air Conditioning Evaporator Electronic Expansion Valve |
| U0632 | Lost Communication with Cooling Fan Motor | G10 Cooling Fan Motor / G10L Cooling Fan Motor - Left |
| U0633 | Lost Communication with Engine Cooling Fan 2 | G10R Cooling Fan Motor - Right |
| U0644 | Lost Communication with Turbocharger Wastegate Position Sensor Bank 1 | M128A Turbocharger Wastegate Actuator - Bank 1 |
| DTC | DTC Descriptor | Component Name |
|---|---|---|
| U064D | Lost Communication with Trailer Brake Control Switch | S76 Trailer Brake Control Switch |
| U0658 | Lost Communication with Windshield Temperature Sensor | B117 Windshield Outside Moisture Sensor / B117A Windshield Outside Moisture/Ambient Light and Humidity Sensor / B160 Inside Air Moisture and Windshield Temperature Sensor |
| U0659 | Lost Communication with Temperature Valve Actuator - Left | M6 Temperature Valve Actuator / M6P Programmable Temperature Valve Actuator / M6L Temperature Valve Actuator - Left / M6PL Programmable Temperature Valve Actuator - Left |
| U065A | Lost Communication with Temperature Valve Actuator - Right | M6R Temperature Valve Actuator - Right / M6PR Programmable Temperature Valve Actuator - Right |
| U065B | Lost Communication with Mode Valve Actuator | M37 Mode Valve Actuator / M37P Programmable Mode Valve Actuator |
| U065C | Lost Communication with Mode Valve Actuator - Right Front | M37PR Programmable Mode Valve Actuator - Right Front |
| U065D | Lost Communication with Air Inlet Valve Actuator | M4 Air Inlet Valve Actuator / M4P Programmable Air Inlet Valve Actuator |
| U065F | Lost Communication with Rear Temperature Valve Actuator - Left | M6B Rear Temperature Valve Actuator / M6BP Rear Programmable Temperature Valve Actuator / M6BL Rear Temperature Valve Actuator - Left |
| U0661 | Lost Communication with Rear Temperature Valve Actuator - Right | M6BR Rear Temperature Valve Actuator - Right |
| U0663 | Lost Communication with Rear Mode Valve Actuator - Left | M37B Rear Mode Valve Actuator / M37BP Rear Programmable Mode Valve Actuator / M37BL Rear Mode Valve Actuator - Left |
| U0664 | Lost Communication with Rear Mode Valve Actuator - Right | M37BR Rear Mode Valve Actuator - Right |
| U0670 | Lost Communication with Fuel Temperature Sensor 1 | B310 Fuel Pressure and Temperature Sensor |
| U0671 | Lost Communication with Fuel Temperature Sensor 2 | B310 Fuel Pressure and Temperature Sensor |
| U0672 | Lost Communication with Engine Coolant Pump | G59 Engine Coolant Pump |
| U067C | Lost Communication with Engine Cooling Fan 3 | G10LW Cooling Fan Motor - Lower |
| U06A5 | Lost Communication with Air Conditioning Cooler Electronic Expansion Valve | Q112 Air Conditioning Cooler Electronic Expansion Valve |
| U06AD | Lost Communication with Charge Port Door Actuator | M80 Charge Port Door Actuator / A110 Charge Port Housing |
| DTC | DTC Descriptor | Component Name | |
|---|---|---|---|
| U09B1 | Invalid Data Received From Hybrid/Electric Vehicle Propulsion System Main Coolant Control Valve | ??? | |
| U1001 | Infotainment Communication CAN Bus Off | N/A | |
| U1002 | Serial Data Gateway Module Communication CAN Bus 1 Off | K56 Serial Data Gateway Module | |
| U1003 | Serial Data Gateway Module Communication CAN Bus 2 Off | K56 Serial Data Gateway Module | |
| U1004 | Serial Data Gateway Module Communication CAN Bus 3 Off | K56 Serial Data Gateway Module | |
| U1005 | Serial Data Gateway Module Communication CAN Bus 4 Off | K56 Serial Data Gateway Module | |
| U1006 | Serial Data Gateway Module Communication CAN Bus 5 Off | K56 Serial Data Gateway Module | |
| U1007 | Serial Data Gateway Module Communication CAN Bus 8 Off | K56 Serial Data Gateway Module | |
| U1008 | Loss of Ethernet Link | N/A | |
| U1009 | Reductant Control Module CAN Bus 3 Off | K115 Reductant Control Module | |
| U100B | Gear Shift Control Module Powertrain Sensor Bus Enable | K212 Gear Shift Control Module | |
| U1014 | Power Takeoff Control Module Powertrain Sensor CAN Bus Off | K44 Power Takeoff Control Module | |
| U101A | Software Incompatibility with Fuel Pump Power Control Module | K111 Fuel Pump Power Control Module | |
| U101B | Lost Communication with Fuel Rail Pressure Sensor 2 | B310 Fuel Pressure and Temperature Sensor | |
| U1025 | Control Module Self-Test Timeout | N/A | |
| U1100 | Lost Communication with Ambient Air Quality Sensor - Exterior | B108E Ambient Air Quality Sensor - Exterior | |
| U1102 | Lost Communication with Windshield Wiper Motor - Left | M75L Windshield Wiper Motor - Left | |
| U1103 | Lost Communication with Rear Closure Hands Free Module | K171 Rear Closure Hands Free Module | |
| U1104 | Lost Communication with Sun Load and Ambient Light and Security Indicator Sensor | B10D Sun Load and Ambient Light and Security Indicator Sensor | |
| U1105 | Lost Communication with Folding Top Control Module - Left | K23L Folding Top Control Module - Left | |
| U1106 | Lost Communication with Folding Top Control | K23R Folding Top Control Module - Right |
| DTC | DTC Descriptor | Component Name | |
|---|---|---|---|
| Module - Right | |||
| U1107 | Lost Communication with Folding Top Stowage Compartment Control Module - Left | K223L Folding Top Stowage Compartment Control Module - Left | |
| U1108 | Lost Communication with Folding Top Stowage Compartment Control Module - Right | K223R Folding Top Stowage Compartment Control Module - Right | |
| U1109 | Lost Communication with Windshield Humidity Sensor | B117 Windshield Outside Moisture Sensor / B117A Windshield Outside Moisture/Ambient Light and Humidity Sensor / B160 Inside Air Moisture and Windshield Temperature Sensor | |
| U110A | Lost Communication with Humidity Sensor - Air Temperature Sensor | B117 Windshield Outside Moisture Sensor / B117A Windshield Outside Moisture/Ambient Light and Humidity Sensor / B160 Inside Air Moisture and Windshield Temperature Sensor | |
| U110B | Lost Communication with Content Theft Deterrent Alarm | P25 Content Theft Deterrent Alarm | |
| U110C | Lost Communication with Passenger Compartment Air Filter Module | V1 Passenger Compartment Air Filter Module | |
| U110D | Lost Communication with Ambient Color Lamp 1 | Varies. Refer to the diagnostic procedure for component name. | |
| U110E | Lost Communication with Ambient Color Lamp 2 | Varies. Refer to the diagnostic procedure for component name. | |
| U110F | Lost Communication with Ambient Color Lamp 3 | Varies. Refer to the diagnostic procedure for component name. | |
| U1110 | Lost Communication with Ambient Color Lamp 4 | Varies. Refer to the diagnostic procedure for component name. | |
| U1111 | Lost Communication with Ambient Color Lamp 5 | Varies. Refer to the diagnostic procedure for component name. | |
| U1112 | Lost Communication with Ambient Color Lamp 6 | Varies. Refer to the diagnostic procedure for component name. | |
| U1113 | Lost Communication with Ambient Color Lamp 7 | Varies. Refer to the diagnostic procedure for component name. | |
| U1114 | Lost Communication with Ambient Color Lamp 8 | Varies. Refer to the diagnostic procedure for component name. | |
| U1115 | Lost Communication with Ambient Color Lamp 9 | Varies. Refer to the diagnostic procedure for component name. | |
| U1116 | Lost Communication with Ambient Color Lamp 10 | Varies. Refer to the diagnostic procedure for component name. | |
| U1117 | Lost Communication with Ambient Color Lamp 11 | Varies. Refer to the diagnostic procedure for component name. | |
| U1118 | Lost Communication with Ambient Color Lamp 12 | Varies. Refer to the diagnostic procedure for component name. |
| DTC | DTC Descriptor | Component Name |
|---|---|---|
| U1119 | Lost Communication with Ambient Color Lamp 13 | Varies. Refer to the diagnostic procedure for component name. |
| U111A | Lost Communication with Engine Block Coolant Control Valve | Q97B Engine Coolant Flow Control Valve - Block |
| U111B | Lost Communication with Airside Electric Heater - Front | E40 Air Heater |
| U111F | Lost Communication with Card Reader Receptacle | X20 Card Reader Receptacle |
| U1121 | Lost Communication with Roof Console | A103 Roof Console |
| U1122 | Lost Communication with Parking Brake Control Switch | S91 Parking Brake Control Switch |
| U1123 | Lost Communication with Driver Monitoring System Module | K180 Driver Monitoring System Module |
| U1125 | Lost Communication with Night Vision Module | K172 Night Vision Control Module |
| U1126 | Lost Communication with Short Range Radar Sensor - Left/Center Rear | B233LR Short Range Radar Rear Sensor - Left |
| U1127 | Lost Communication with Short Range Radar Sensor - Right Rear | B233RR Short Range Radar Rear Sensor - Right |
| U1128 | Lost Communication with Multifunction Energy Storage Capacitor Control Module | K186 Electrical System Voltage Stabilizer Control Module |
| U112A | Lost Communication with Auxiliary Engine Coolant Fan 1 | G57L Auxiliary Cooling Fan Motor 1 |
| U112B | Lost Communication with Auxiliary Engine Coolant Fan 2 | G57R Auxiliary Cooling Fan Motor 2 |
| U112D | Lost Communication with Trailer Tire Pressure Indicator Module | K214 Trailer Tire Pressure Indicator Module |
| U112F | Lost Communication with Near Field Communication Module | K183 Near Field Communication Module |
| U1130 | Lost Communication with Ambient Air Quality Sensor - Interior | B108I Ambient Air Quality Sensor - Interior |
| U1131 | Lost Communication with Inside Ambient Air Quality Particulate Sensor Module | B357 Inside Ambient Air Quality Particulate Sensor Module |
| U1132 | Lost Communication with Folding 3rd Row Seat Module | K169 Folding 3rd Row Seat Module |
| U1133 | Lost Communication with Vehicle Performance Data Recorder | K161 Vehicle Performance Data Recorder |
| U1134 | Lost Communication with Rear Window Wiper Motor | M45 Rear Window Wiper Motor |
| DTC | DTC Descriptor | Component Name | |
|---|---|---|---|
| U1135 | Lost Communication with UHF Low Energy Remote Control Access Sensor Transceiver 1 | B342A UHF Low Energy Remote Control Access Sensor Transceiver 1 | |
| U1136 | Lost Communication with UHF Low Energy Remote Control Access Sensor Transceiver 2 | B342B UHF Low Energy Remote Control Access Sensor Transceiver 2 | |
| U1137 | Lost Communication with UHF Low Energy Remote Control Access Sensor Transceiver 3 | B342C UHF Low Energy Remote Control Access Sensor Transceiver 3 | |
| U1138 | Lost Communication with UHF Low Energy Remote Control Access Sensor Transceiver 4 | B342D UHF Low Energy Remote Control Access Sensor Transceiver 4 | |
| U113B | Lost Communication with Radio Control Switch | S70R Radio Control Switch - Steering Wheel | |
| U113C | Lost Communication with Windshield Light Sensor | B10 Headlamp Automatic Control Ambient Light Sensor | |
| U113D | Lost Communication with Front Seat Belt Retractor Motor Pretensioner - Left | M101L Front Seat Belt Retractor Motor - Left | |
| U113E | Lost Communication with Front Seat Belt Retractor Motor Pretensioner - Right | M101R Front Seat Belt Retractor Motor - Right | |
| U1144 | Lost Communication with Front Floor Console Compartment Cooler | K175 Front Floor Console Compartment Cooler | |
| U1145 | Lost Communication with Rear Seat Heater Switch - Left | S32LR Rear Seat Heater Switch - Left / S32R Rear Seat Heater Switch | |
| U1146 | Lost Communication with Rear Seat Heater Switch - Right | S32RR Rear Seat Heater Switch - Right | |
| U1147 | Lost Communication with Front Floor Console Control Module | K230 Front Floor Console Control Module | |
| U1149 | Lost Communication with Headlamp Controller 1 - Left | E13LA Front Headlamp - Left | |
| U114A | Lost Communication with Headlamp Controller 1 - Right | E13RA Front Headlamp - Right | |
| U1150 | Lost Communication with Short Range Radar Rear Side Sensor - Left | B233SL Short Range Radar Rear Side Sensor - Left | |
| U1151 | Lost Communication with Short Range Radar Rear Side Sensor - Right | B233SR Short Range Radar Rear Side Sensor - Right | |
| U1155 | Lost Communication with Automatic Level Control Module | K5 Automatic Level Control Module | |
| U118B | Lost Communication with Garage Door Opener Transmitter | S25 Garage Door Opener Transmitter | |
| U1191 | Lost Communication with Manual Shift Detent Lever Position Sensor 1 | Internal to K212 Gear Shift Control Module | |
| U1194 | Lost Communication with Manual Shift Detent Lever Position Sensor 2 | Internal to K212 Gear Shift Control Module |
| DTC | DTC Descriptor | Component Name | |
|---|---|---|---|
| U1195 | Lost Communication with Manual Shift Detent Lever Park Switch 1 | B382A Manual Shift Detent Lever Park Switch 1 | |
| U1196 | Lost Communication with Manual Shift Detent Lever Park Switch 2 | B382B Manual Shift Detent Lever Park Switch 2 | |
| U119C | Lost Communication with UHF Low Energy Remote Control Access Sensor Transceiver 5 | B342E UHF Low Energy Remote Control Access Sensor Transceiver 5 | |
| U119D | Lost Communication with UHF Low Energy Remote Control Access Sensor Transceiver 6 | B342F UHF Low Energy Remote Control Access Sensor Transceiver 6 | |
| U11A5 | Lost Communication with Charge Port Housing Lamp | E85 Charge Port Housing Lamp / A110 Charge Port Housing | |
| U11C2 | Lost Communication with Off-Board Charger Control Module | K190 Off-Board Charger Control Module | |
| U11FD | Lost Communication with Radio - Processor 2 | A11 Radio | |
| U120F | Lost Communication with Accessory Power Receptacle 1 | Refer to the diagnostic procedure for component name. | |
| U1210 | Lost Communication with Accessory Power Receptacle 2 | Refer to the diagnostic procedure for component name. | |
| U1211 | Lost Communication with Accessory Power Receptacle 3 | Refer to the diagnostic procedure for component name. | |
| U130E | Invalid Data Received from Driver Monitoring System Control Module | K180 Driver Monitoring System Module | |
| U130F | Invalid Data Received from Short Range Radar Sensor - Left Front | B233LF Short Range Radar Sensor - Left Front | |
| U1310 | Invalid Data Received from Short Range Radar Sensor - Right Front | B233RF Short Range Radar Sensor - Right Front | |
| U1311 | Invalid Data Received from Short Range Radar Sensor - Left/Center Rear | B233LR Short Range Radar Rear Sensor - Left | |
| U1312 | Invalid Data Received from Short Range Radar Sensor - Right Rear | B233RR Short Range Radar Rear Sensor - Right | |
| U1313 | Invalid Data Received from Multifunction Energy Storage Capacitor Control Module | K186 Electrical System Voltage Stabilizer Control Module | |
| U1314 | Invalid Data Received from Cooling Fan Motor | G10 Cooling Fan Motor / G10L Cooling Fan Motor - Left | |
| U1315 | Invalid Data Received from Engine Cooling Fan 2 | G10R Cooling Fan Motor - Right | |
| U1316 | Invalid Data Received from Engine Cooling Fan 3 | G10LW Cooling Fan Motor - Lower | |
| U1319 | Invalid Data Received from Mass Airflow Sensor 1 | B75 Mass Airflow Sensor / B75D Mass Airflow Sensor - Bank 1 |
| DTC | DTC Descriptor | Component Name | |
|---|---|---|---|
| U131B | Invalid Data Received from Engine Coolant Pump | G59 Engine Coolant Pump | |
| U131D | Invalid Data Received from Fuel Pump Power Control Module | K111 Fuel Pump Power Control Module | |
| U131F | Invalid Data Received from Trailer Brake Control Switch | S76 Trailer Brake Control Switch | |
| U1320 | Invalid Data Received from Folding 3rd Row Seat Module | K169 Folding 3rd Row Seat Module | |
| U1324 | Invalid Data Received from Hybrid/Electric Vehicle Electronics Coolant Pump | Q116 Hybrid/Electric Vehicle Electronics Coolant Pump | |
| U1326 | Invalid Data Received from Windshield Light Sensor | B10 Headlamp Automatic Control Ambient Light Sensor | |
| U1327 | Invalid Data Received from Air Heater | E40 Air Heater | |
| U1329 | Invalid Data Received from Roof Console | E103 Roof Console | |
| U133D | Invalid Data Received from Folding Top Control Module - Left | K23L Folding Top Control Module - Left | |
| U1345 | Engine Control Module LIN Bus 1 | K20 Engine Control Module | |
| U1346 | Engine Control Module LIN Bus 2 | K20 Engine Control Module | |
| U1347 | Engine Control Module LIN Bus 3 | K20 Engine Control Module | |
| U1348 | Engine Control Module LIN Bus 4 | K20 Engine Control Module | |
| U1349 | Engine Control Module LIN Bus 5 | K20 Engine Control Module | |
| U134A | Invalid Data Received from Headlamp Controller 1 - Left | E13LA Front Headlamp - Left | |
| U134B | Invalid Data Received from Headlamp Controller 1 - Right | E13RA Front Headlamp - Right | |
| U135E | Lost Communication with Transmission Control Module on Engine Control Module LIN Bus 1 | K71 Transmission Control Module | |
| U1360 | Headlamp Controller 1 - Left Received Invalid Data from Headlamp Control Module | E13LA Front Headlamp - Left & K26 Headlamp Control Module | |
| U1361 | Headlamp Controller 1 - Right Received Invalid Data from Headlamp Control Module | E13RA Front Headlamp - Right & K26 Headlamp Control Module | |
| U1366 | Invalid Data Received from Short Range Radar Rear Side Sensor - Left | B233SL Short Range Radar Rear Side Sensor - Left | |
| U1367 | Invalid Data Received from Short Range Radar Rear Side Sensor - Right | B233SR Short Range Radar Rear Side Sensor - Right | |
| U1369 | Reductant Control Module Received Invalid | K115 Reductant Control Module & K9 Body | |
| Data from Body Contr©o l 2M0o2d3u Gleeneral Motors. | AlCl oringthrotsl Mreosdeurvleed. |
| DTC | DTC Descriptor | Component Name |
|---|---|---|
| U1379 | Invalid Data Received from Engine Block Coolant Control Valve | Q97B Engine Coolant Flow Control Valve - Block |
| U137A | Invalid Data Received from Evaporative Emission Canister Purge Pump | G58 Evaporative Emission Canister Purge Pump |
| U137B | Gear Shift Control Module Received Invalid Data from Body Control Module | K212 Gear Shift Control Module & K9 Body Control Module |
| U137C | Gear Shift Control Module Received Invalid Data from Serial Data Gateway Module | K212 Gear Shift Control Module & K56 Serial Data Gateway Module |
| U137D | Gear Shift Control Module Received Invalid Data from Engine Control Module | K212 Gear Shift Control Module & K20 Engine Control Module |
| U137E | Invalid Data Received from Auxiliary Coolant Pump | G17 Heater Coolant Pump |
| U137F | Serial Data Gateway Module Received Invalid Data from Body Control Module | K56 Serial Data Gateway Module & K9 Body Control Module |
| U1384 | Invalid Data Received from Auxiliary Engine Coolant Fan 1 | G57L Auxiliary Cooling Fan Motor 1 |
| U1385 | Invalid Data Received from Auxiliary Engine Coolant Fan 2 | G57R Auxiliary Cooling Fan Motor 2 |
| U138D | Invalid Data Received from Automatic Level Control Module | K5 Automatic Level Control Module |
| U13C2 | Invalid Data Received from Air Conditioning Evaporator Electronic Expansion Valve Motor | Q113 Air Conditioning Evaporator Electronic Expansion Valve |
| U13C4 | Invalid Data Received from Air Conditioning Cooler Electronic Expansion Valve Motor | Q112 Air Conditioning Cooler Electronic Expansion Valve |
| U13C5 | Invalid Data Received from Air Conditioning Condenser Refrigerant Flow Valve - Heater Motor | Q111 Air Conditioning Condenser Refrigerant Flow Valve - Heater |
| U13C6 | Invalid Data Received from Air Conditioning Condenser Refrigerant Flow Valve - External Motor | Q110 Air Conditioning Condenser Refrigerant Flow Valve - External |
| U13C7 | Invalid Data Received from Hybrid/EV Propulsion System Coolant Control Valve 1 Motor | Q115A Hybrid/Electric Vehicle Propulsion System Coolant Control Valve 1 |
| U13C8 | Invalid Data Received from Hybrid/EV Propulsion System Coolant Control Valve 2 Motor | Q115B Hybrid/Electric Vehicle Propulsion System Coolant Control Valve 2 |
| U13C9 | Invalid Data Received from Redundant Power Supply Control Module | K206 Redundant Power Supply Control Module |
| U13CA | Invalid Data Received from Hybrid/Electric Vehicle Battery Coolant Pump | G65 Hybrid/Electric Vehicle Battery Coolant Pump |
| DTC | DTC Descriptor | Component Name |
|---|---|---|
| U13CC | Invalid Data Received from Sun Load and Ambient Light and Security Indicator Sensor | B10D Sun Load and Ambient Light and Security Indicator Sensor |
| U13D8 | Invalid Data Received from Near Field Communication Module | K183 Near Field Communication Module |
| U13D9 | Gear Shift Control Module Received Invalid Data from Battery Energy Control Module | K212 Gear Shift Control Module & K16 Battery Energy Control Module |
| U13DC | Gear Shift Control Module Received Invalid Data from Drive Motor Control Module | K212 Gear Shift Control Module & K107 Drive Motor Energy Control Module |
| U13E0 | Invalid Data Received from Manual Shift Detent Lever Position Sensor 1 | Internal to K212 Gear Shift Control Module |
| U13E1 | Invalid Data Received from Manual Shift Detent Lever Position Sensor 2 | Internal to K212 Gear Shift Control Module |
| U13E2 | Invalid Data Received from Manual Shift Detent Lever Park Switch 1 | B382A Manual Shift Detent Lever Park Switch 1 |
| U13E3 | Invalid Data Received from Manual Shift Detent Lever Park Switch 2 | B382B Manual Shift Detent Lever Park Switch 2 |
| U13E5 | Invalid Data Received from UHF Low Energy Remote Control Access Sensor Transceiver 1 | B342A UHF Low Energy Remote Control Access Sensor Transceiver 1 |
| U13E6 | Invalid Data Received from UHF Low Energy Remote Control Access Sensor Transceiver 2 | B342B UHF Low Energy Remote Control Access Sensor Transceiver 2 |
| U13E7 | Invalid Data Received from UHF Low Energy Remote Control Access Sensor Transceiver 3 | B342C UHF Low Energy Remote Control Access Sensor Transceiver 3 |
| U13E8 | Invalid Data Received from UHF Low Energy Remote Control Access Sensor Transceiver 4 | B342D UHF Low Energy Remote Control Access Sensor Transceiver 4 |
| U13E9 | Invalid Data Received from UHF Low Energy Remote Control Access Sensor Transceiver 5 | B342E UHF Low Energy Remote Control Access Sensor Transceiver 5 |
| U13EA | Invalid Data Received from UHF Low Energy Remote Control Access Sensor Transceiver 6 | B342F UHF Low Energy Remote Control Access Sensor Transceiver 6 |
| U1500 | Body Control Module LIN Bus 1 | K9 Body Control Module |
| U1502 | Body Control Module LIN Bus 3 | K9 Body Control Module |
| U1503 | Body Control Module LIN Bus 4 | K9 Body Control Module |
| U1507 | Driver Seat Adjuster Memory Module LIN Bus 1 | K40D Driver Seat Adjuster Memory Module |
| U150B | Instrument Panel Cluster Control Module LIN Bus 1 | P16 Instrument Panel Cluster Control Module |
| U150C | Driver Seat Adjuster Memory Module LIN Bus 2 | K40D Driver Seat Adjuster Memory Module |
| U150E | Body Control Module LIN Bus 5 | K9 Body Control Module |
| DTC | DTC Descriptor | Component Name |
|---|---|---|
| U150F | Passenger Seat Adjuster Memory Module LIN Bus 1 | K40P Passenger Seat Adjuster Memory Module |
| U1518 | Battery Energy Control Module LIN Bus 1 | K16 Battery Energy Control Module |
| U151A | Image Processing Module LIN Bus 1 | K124 Image Processing Module / K124AA Image Processing Module 1 - Processor 1 |
| U151E | Brake System Control Module LIN Bus 1 | K160 Brake System Control Module / K160A Brake System Control Module 1 / K17 Electronic Brake Control Module |
| U1520 | Brake System Control Module LIN Bus 2 | K160 Brake System Control Module / K160A Brake System Control Module 1 / K17 Electronic Brake Control Module |
| U1521 | Battery Energy Control Module LIN Bus 2 | K16 Battery Energy Control Module |
| U1522 | Battery Energy Control Module LIN Bus 3 | K16 Battery Energy Control Module |
| U1527 | Body Control Module LIN Bus 2 | K9 Body Control Module |
| U152A | Body Control Module LIN Bus 6 | K9 Body Control Module |
| U152B | Body Control Module LIN Bus 7 | K9 Body Control Module |
| U152C | Body Control Module LIN Bus 8 | K9 Body Control Module |
| U152D | Body Control Module LIN Bus 9 | K9 Body Control Module |
| U152E | Body Control Module LIN Bus 10 | K9 Body Control Module |
| U152F | Body Control Module LIN Bus 11 | K9 Body Control Module |
| U1530 | Body Control Module LIN Bus 12 | K9 Body Control Module |
| U1531 | Body Control Module LIN Bus 13 | K9 Body Control Module |
| U1532 | Body Control Module LIN Bus 14 | K9 Body Control Module |
| U1533 | Body Control Module LIN Bus 15 | K9 Body Control Module |
| U1534 | Body Control Module LIN Bus 16 | K9 Body Control Module |
| U1536 | Passenger Seat Adjuster Memory Module LIN Bus 2 | K40P Passenger Seat Adjuster Memory Module |
| U153A | Near Field Communication Module LIN Bus 1 | K183 Near Field Communication Module |
| U153B | Battery Energy Control Module LIN Bus 4 | K16 Battery Energy Control Module |
| U153C | Battery Energy Control Module LIN Bus 5 | K16 Battery Energy Control Module |
| U1543 | Battery Energy Control Module LIN Bus 6 | K16 Battery Energy Control Module |
| U1544 | Radio LIN Bus 1 | A11 Radio |
| DTC | DTC Descriptor | Component Name |
|---|---|---|
| U1600 | Lost Communication with Transmission Control Module on Engine Control Module LIN Bus 1 | K71 Transmission Control Module |
| U1602 | Lost Communication with Side Obstacle Detection Control Module - Left on CAN Bus 4 | B218L Side Obstacle Detection Control Module - Left |
| U1603 | Lost Communication with Side Obstacle Detection Control Module - Right on CAN Bus 4 | B218R Side Obstacle Detection Control Module - Right |
| U1604 | Lost Communication with Side Obstacle Detection Control Module - Left on Private CAN Bus | B218L Side Obstacle Detection Control Module - Left |
| U1605 | Lost Communication with Side Obstacle Detection Control Module - Right on Private CAN Bus | B218R Side Obstacle Detection Control Module - Right |
| U1607 | Lost Communication with Serial Data Gateway Module on CAN Bus 1 | K56 Serial Data Gateway Module |
| U1608 | Lost Communication with Serial Data Gateway Module on CAN Bus 2 | K56 Serial Data Gateway Module |
| U1609 | Lost Communication with Serial Data Gateway Module on CAN Bus 3 | K56 Serial Data Gateway Module |
| U160A | Lost Communication with Serial Data Gateway Module on CAN Bus 8 | K56 Serial Data Gateway Module |
| U160B | Lost Communication with Parking Assist Control Module on CAN Bus 1 | K182 Parking Assist Control Module |
| U160C | Lost Communication with Parking Assist Control Module on CAN Bus 2 | K182 Parking Assist Control Module |
| U160D | Lost Communication with Hybrid/EV Powertrain Control Module 2 on CAN Bus 2 (or Lost Communication with Battery Energy Control Module on CAN Bus 2) | K16 Battery Energy Control Module |
| U160F | Lost Communication with Brake System Control Module 1 on CAN Bus 1 | K160 Brake System Control Module / K160A Brake System Control Module 1 / K17 Electronic Brake Control Module |
| U1610 | Lost Communication with Brake System Control Module 1 on CAN Bus 2 | K160 Brake System Control Module / K160A Brake System Control Module 1 / K17 Electronic Brake Control Module |
| U1611 | Lost Communication with Engine Control Module on CAN Bus 2 | K20 Engine Control Module |
| U1612 | Lost Communication with Hybrid/EV Powertrain Control Module 1 on CAN Bus 2 | K107 Drive Motor Control Module |
| U1614 | Lost Communication with Image Processing Module 1 - Processor 1 on CAN Bus 1 | K124 Image Processing Module / K124AA Image Processing Module 1 - Processor 1 |
| DTC | DTC Descriptor | Component Name |
|---|---|---|
| U1615 | Lost Communication with Image Processing Module 1 - Processor 1 on CAN Bus 2 | K124 Image Processing Module / K124AA Image Processing Module 1 - Processor 1 |
| U1616 | Lost Communication with Image Processing Module 1 - Processor 1 on CAN Bus 8 | K124 Image Processing Module / K124AA Image Processing Module 1 - Processor 1 |
| U1617 | Lost Communication with Drive Motor Control Module on CAN Bus 2 | K107 Drive Motor Control Module |
| U1619 | Lost Communication with Engine Control Module on Engine Control Module LIN Bus 1 | K20 Engine Control Module |
| U1623 | Lost Communication with Image Processing Module 1 - Processor 2 on Ethernet Bus | K124 Image Processing Module / K124AB Image Processing Module 1 - Processor 2 |
| U1624 | Lost Communication with Telematic Control Module on Ethernet Bus | K73 Telematic Control Module |
| U1625 | Lost Communication with Image Processing Module 1 - Processor 1 on Ethernet Bus | K124 Image Processing Module / K124AA Image Processing Module 1 - Processor 1 |
| U1626 | Lost Communication with Automated Driving Mapping Module on Ethernet Bus | K179 Automated Driving Mapping Module |
| U1627 | Lost Communication with Serial Data Gateway Module on CAN Bus 9 | K56 Serial Data Gateway Module |
| U1635 | Lost Communication with Battery Energy Control Module on CAN Bus 9 | K16 Battery Energy Control Module |
| U1636 | Lost Communication with Drive Motor Control Module on CAN Bus 9 | K107 Drive Motor Control Module |
| U1639 | Lost Communication with Brake System Control Module on CAN Bus 3 | K160 Brake System Control Module / K160A Brake System Control Module 1 / K17 Electronic Brake Control Module |
| U163C | Lost Communication with Gear Shift Control Module on CAN Bus 1 | K212 Gear Shift Control Module |
| U163D | Lost Communication with Image Processing Module 1 - Processor 1 on CAN Bus 3 | K124 Image Processing Module / K124AA Image Processing Module 1 - Processor 1 |
| U1640 | Lost Communication with Drive Motor Control Module on Private CAN Bus | K107 Drive Motor Control Module |
| U1641 | Lost Communication with Automated Driving Mapping Module | K179 Automated Driving Mapping Module |
| U1642 | Lost Communication with Image Processing Module 1 - Processor 2 on CAN Bus 8 | K124 Image Processing Module / K124AA Image Processing Module 1 - Processor 1 |
| U1643 | Lost Communication with Transmission Control Module on CAN Bus 2 | K71 Transmission Control Module |
| U1645 | Lost Communication with Headlamp Control Module on CAN Bus 2 | K26 Headlamp Control Module |
| DTC | DTC Descriptor | Component Name |
|---|---|---|
| U1647 | Lost Communication with Chassis Control Module on CAN Bus 3 | K38 Chassis Control Module |
| U164A | Lost Communication with Serial Data Gateway Module on CAN Bus 4 | K56 Serial Data Gateway Module |
| U164B | Lost Communication with Serial Data Gateway Module on CAN Bus 5 | K56 Serial Data Gateway Module |
| U164C | Lost Communication with Infotainment Control Switch on CAN Bus 5 | S165 Infotainment Control Switch |
| U164E | Lost Communication with Radio on CAN Bus 5 | A11 Radio |
| U164F | Lost Communication with Telematic Control Module on CAN Bus 5 | K73 Telematic Control Module |
| U1650 | Lost Communication with Instrument Panel Cluster Control Module on CAN Bus 5 | P16 Instrument Panel Cluster Control Module |
| U1651 | Lost Communication with Audio Amplifier on CAN Bus 5 | T3 Audio Amplifier |
| U1652 | Lost Communication with Vehicle Performance Data Recorder on CAN Bus 5 | K161 Vehicle Performance Data Recorder |
| U1653 | Lost Communication with Drive Motor Control Module 3 on CAN Bus 2 | K107C Drive Motor Control Module 3 |
| U1654 | Lost Communication with Drive Motor Control Module 3 on CAN Bus 9 | K107C Drive Motor Control Module 3 |
| U1655 | Lost Communication with Drive Motor Control Module 2 on CAN Bus 9 | K107B Drive Motor Control Module 2 |
| U1656 | Lost Communication with Drive Motor Control Module 2 on Private CAN Bus | K107B Drive Motor Control Module 2 |
| U1657 | Lost Communication with Drive Motor Control Module 3 on Private CAN Bus | K107C Drive Motor Control Module 3 |
| U1659 | Lost Communication with Battery Energy Control Module on CAN Bus 2 | K16 Battery Energy Control Module |
| U165B | Lost Communication with Battery Energy Control Module 2 on CAN Bus 2 | K16B Battery Energy Control Module 2 |
| U165C | Lost Communication with Battery Energy Control Module 2 on CAN Bus 9 | K16B Battery Energy Control Module 2 |
| U165E | Lost Communication with Vehicle Status Information Module 2 on CAN Bus 9 | K242 Vehicle Status Information Module |
| U1668 | Lost Communication with Drive Motor Control Module 2 on CAN Bus 2 | K107B Drive Motor Control Module 2 |
| U166A | Lost Communication with Special Purpose Vehicle Control Module on CAN Bus 1 | K56U Special Purpose Vehicle Control Module |
| DTC | DTC Descriptor | Component Name |
|---|---|---|
| U166F | Lost Communication with Battery Energy Control Module on CAN Bus 9 | K16 Battery Energy Control Module |
| U179A | Lost Communication with Hybrid/EV Powertrain Control Module 2 | K16 Battery Energy Control Module |
| U1818 | Lost Communication with Engine Control Module on CAN Bus 3 | K20 Engine Control Module |
| U18A2 | Lost Communication with Fuel Pump Power Control Module | K111 Fuel Pump Power Control Module |
| U18A7 | Lost Communication with Power Supply Transformer on Powertrain Expansion CAN Bus | T19 Multifunction Power Supply Converter |
| U18C6 | Gear Shift Control Module Lost Communication with Engine Control Module on Powertrain Sensor CAN Bus | K212 Gear Shift Control Module & K20 Engine Control Module |
| U18C7 | Gear Shift Control Module Lost Communication with Engine Control Module on CAN Bus 3 | K212 Gear Shift Control Module & K20 Engine Control Module |
| U18D2 | Lost Communication with Gear Shift Control Module on Powertrain Sensor CAN Bus | K212 Gear Shift Control Module |
| U18D3 | Lost Communication with Gear Shift Control Module on CAN Bus 3 | K212 Gear Shift Control Module |
| U18D5 | Serial Data Gateway Module Lost Communication with Engine Control Module | K56 Serial Data Gateway Module & K20 Engine Control Module |
| U18D7 | Serial Data Gateway Module Lost Communication with Transmission Control Module | K56 Serial Data Gateway Module & K71 Transmission Control Module |
| U18DC | Serial Data Gateway Module Lost Communication with Brake System Control Module 1 | K56 Serial Data Gateway Module & K160 Brake System Control Module / K17 Electronic Brake Control Module |
| U18E0 | Serial Data Gateway Module Lost Communication with Battery Energy Control Module | K56 Serial Data Gateway Module & K16 Battery Energy Control Module |
| U18E2 | Lost Communication with Multifunction Power Supply Converter on Powertrain Sensor Bus | T19 Multifunction Power Supply Converter |
| U1960 | Message Authentication Keys Missing or Incomplete | N/A |
| U1961 | Control Module Security Hardware Internal Malfunction | N/A |
| U1962 | Unable to Authenticate Serial Data Message | N/A |
| U1970 | Gear Shift Control Module Message Authentication Keys Missing or Incomplete | K212 Gear Shift Control Module |
| DTC | DTC Descriptor | Component Name | |
|---|---|---|---|
| U1971 | Gear Shift Control Module Security Hardware Internal Malfunction | K212 Gear Shift Control Module | |
| U1972 | Gear Shift Control Module Unable to Authenticate Serial Data Message | K212 Gear Shift Control Module | |
| U1977 | ECU Identification Self Learn Not Completed | N/A | |
| U1978 | Vehicle Identification Number of First Vehicle Not Programmed | N/A | |
| U1979 | Ethernet Time Synchronization Mismatch | N/A | |
| U197A | Ethernet Time Synchronization Signal Invalid | N/A | |
| U197B | Serial Data Gateway Module Self-Learn Did Not Execute | K56 Serial Data Gateway Module | |
| U197C | Serial Data Gateway Module ECU Identification List Memory Fault | K56 Serial Data Gateway Module | |
| U197D | Serial Data Gateway Module Self-Learn Invalid Due To VIN Mismatch | K56 Serial Data Gateway Module | |
| U197E | Odometer Vehicle Identification Number | N/A | |
| U197F | Odometer Value Mismatch | N/A | |
| U1982 | Serial Data Gateway Module Message Authentication Keys Missing or Incomplete | K56 Serial Data Gateway Module | |
| U1983 | Serial Data Gateway Module Security Hardware Internal Malfunction | K56 Serial Data Gateway Module | |
| U1984 | Serial Data Gateway Module Unable To Authenticate Serial Data Message | K56 Serial Data Gateway Module | |
| U198B | ECU Identification Self Learn Invalid | N/A | |
| U2000 | Network Configuration List Not Programmed - Body Control Module LIN Bus 1 | K9 Body Control Module | |
| U2001 | Network Configuration List Not Programmed - Body Control Module LIN Bus 2 | K9 Body Control Module | |
| U2002 | Network Configuration List Not Programmed - Body Control Module LIN Bus 3 | K9 Body Control Module | |
| U2003 | Network Configuration List Not Programmed - Body Control Module LIN Bus 4 | K9 Body Control Module | |
| U2004 | Network Configuration List Not Programmed - Body Control Module LIN Bus 5 | K9 Body Control Module | |
| U2005 | Network Configuration List Not Programmed - Body Control Module LIN Bus 6 | K9 Body Control Module | |
| U2006 | Network Configuration List Not Programmed - | K9 Body Control Module | |
| Body Control Module ©LI N2 0B2u3s G7eneral Motors. | All rights reserved. |
| DTC | DTC Descriptor | Component Name | |
|---|---|---|---|
| U2007 | Network Configuration List Not Programmed - Body Control Module LIN Bus 8 | K9 Body Control Module | |
| U2008 | Network Configuration List Not Programmed - Body Control Module LIN Bus 9 | K9 Body Control Module | |
| U2009 | Network Configuration List Not Programmed - Body Control Module LIN Bus 10 | K9 Body Control Module | |
| U200A | Network Configuration List Not Programmed - Body Control Module LIN Bus 11 | K9 Body Control Module | |
| U200B | Network Configuration List Not Programmed - Body Control Module LIN Bus 12 | K9 Body Control Module | |
| U200C | Network Configuration List Not Programmed - Body Control Module LIN Bus 13 | K9 Body Control Module | |
| U200D | Network Configuration List Not Programmed - Body Control Module LIN Bus 14 | K9 Body Control Module | |
| U200E | Network Configuration List Not Programmed - Body Control Module LIN Bus 15 | K9 Body Control Module | |
| U200F | Network Configuration List Not Programmed - Body Control Module LIN Bus 16 | K9 Body Control Module | |
| U2010 | Network Configuration List Not Programmed - Engine Control Module LIN Bus 1 | K20 Engine Control Module | |
| U2011 | Network Configuration List Not Programmed - Engine Control Module LIN Bus 2 | K20 Engine Control Module | |
| U2014 | Network Configuration List Not Programmed - Driver Seat Adjuster Memory Module LIN Bus 1 | K40D Driver Seat Adjuster Memory Module | |
| U2015 | Network Configuration List Not Programmed - Driver Seat Adjuster Memory Module LIN Bus 2 | K40D Driver Seat Adjuster Memory Module | |
| U2016 | Network Configuration List Not Programmed - Passenger Seat Adjuster Memory Module LIN Bus 1 | K40P Passenger Seat Adjuster Memory Module | |
| U2017 | Network Configuration List Not Programmed - Passenger Seat Adjuster Memory Module LIN Bus 2 | K40P Passenger Seat Adjuster Memory Module | |
| U201E | Network Configuration List Not Programmed - Image Processing Module 1 - Processor 1 - LIN Bus 1 | K124 Image Processing Module / K124AA Image Processing Module 1 - Processor 1 | |
| U2021 | Network Configuration List Not Programmed - Instrument Panel Cluster Control Module LIN Bus 1 | P16 Instrument Panel Cluster Control Module | |
| U2022 | Network Configuration List Not Programmed - Brake System Control Module 1 LIN Bus 1 | K160 Brake System Control Module / K160A Brake System Control Module 1 / K17 |
| DTC | DTC Descriptor | Component Name | |
|---|---|---|---|
| U2110 | Network Configuration List Not Programmed - CAN Bus 1 | N/A | |
| U216A | Lost Communication with Front Object Detection Control Module | B174W Front View Camera - Windshield | |
| U2201 | Gear Shift Control Module Lost Communication with Serial Data Gateway Module | K212 Gear Shift Control Module & K56 Serial Data Gateway Module | |
| U2203 | Serial Data Gateway Module Lost Communication with Body Control Module | K56 Serial Data Gateway Module & K9 Body Control Module | |
| U2204 | Serial Data Gateway Module Lost Communication with Reductant Control Module | K56 Serial Data Gateway Module & K115 Reductant Control Module | |
| U2205 | Serial Data Gateway Module Lost Communication with Power Steering Control Module | K56 Serial Data Gateway Module & K43 Power Steering Control Module | |
| U2209 | Serial Data Gateway Module Lost Communication with Heater and Air Conditioning User Interface Control - Front | K56 Serial Data Gateway Module & A26 Heater and Air Conditioning User Interface Control - Front | |
| U220A | Serial Data Gateway Module Lost Communication with Heater and Air Conditioning Auxiliary Control | K56 Serial Data Gateway Module & A34 Heater and Air Conditioning Auxiliary Control | |
| U220C | Serial Data Gateway Module Lost Communication with Restraints Control Module | K56 Serial Data Gateway Module & K36 Restraints Control Module | |
| U220D | Serial Data Gateway Module Lost Communication with Gear Shift Control Module | K56 Serial Data Gateway Module & K212 Gear Shift Control Module | |
| U220E | Serial Data Gateway Module Lost Communication with Transfer Case Control Module | K56 Serial Data Gateway Module & K69 Transfer Case Control Module | |
| U220F | Serial Data Gateway Module Lost Communication with Transmission Control Module | K56 Serial Data Gateway Module & K71 Transmission Control Module | |
| U2211 | Reductant Control Module Lost Communication with Body Control Module | K115 Reductant Control Module & K9 Body Control Module | |
| U2212 | Reductant Control Module Lost Communication with Engine Control Module | K115 Reductant Control Module & K20 Engine Control Module | |
| U2213 | Reductant Control Module Lost Communication with Serial Data Gateway Module | K115 Reductant Control Module & K56 Serial Data Gateway Module | |
| U2215 | Gear Shift Control Module Lost Communication with Body Control Module | K212 Gear Shift Control Module & K9 Body Control Module | |
| U221A | Vehicle Dynamic Sensor Lost Communication | B284 Vehicle Dynamic Sensor & K124 Image |
| DTC | DTC Descriptor | Component Name | |
|---|---|---|---|
| 2 | Processing Module 1 - Processor 2 | ||
| U221E | Power Takeoff Control Module Lost Communication with Engine Control Module | K44 Power Takeoff Control Module & K20 Engine Control Module | |
| U2239 | Off-Board Charger Control Module Lost Communication with Off-Board Charging Station | K190 Off-Board Charger Control Module | |
| U223A | Off-Board Charger Control Module Lost Communication with Battery Energy Control Module | K190 Off-Board Charger Control Module & K16 Battery Energy Control Module | |
| U223B | Radio Lost Communication with Radio Control | A11 Radio & A22 Radio Control (or P53 Driver Information Display) | |
| U2405 | Gear Shift Control Module Lost Communication with Engine Control Module on CAN Bus 2 | K212 Gear Shift Control Module & K20 Engine Control Module | |
| U2413 | Serial Data Gateway Module Communication CAN Bus 2 Off | K56 Serial Data Gateway Module | |
| U2418 | Serial Data Gateway Module Lost Communication with Brake System Control Module 1 on CAN Bus 1 | K56 Serial Data Gateway Module & K160 Brake System Control Module / K160A Brake System Control Module 1 / K17 Electronic Brake Control Module | |
| U2419 | Serial Data Gateway Module Lost Communication with Brake System Control Module 1 on CAN Bus 2 | K56 Serial Data Gateway Module & K160 Brake System Control Module / K160A Brake System Control Module 1 / K17 Electronic Brake Control Module | |
| U241C | Serial Data Gateway Module Lost Communication with Engine Control Module on CAN Bus 2 | K56 Serial Data Gateway Module & K20 Engine Control Module | |
| U241D | Serial Data Gateway Module Lost Communication with Engine Control Module on CAN Bus 3 | K56 Serial Data Gateway Module & K20 Engine Control Module | |
| U2421 | Gear Shift Control Module Lost Communication with Serial Data Gateway Module on CAN Bus 1 | K212 Gear Shift Control Module & K56 Serial Data Gateway Module | |
| U2422 | Gear Shift Control Module Lost Communication with Drive Motor Control Module on CAN Bus 2 | K212 Gear Shift Control Module & K107 Drive Motor Control Module | |
| U2501 | Invalid Data Received From Hybrid/EV Powertrain Control Module 2 | K16 Battery Energy Control Module | |
| U250D | Invalid Data Received from Transmission Control Module on Chassis Control Module LIN Bus 2 | K71 Transmission Control Module | |
| U2A90 | Odometer Vehicle Identification Number Not Programmed | N/A | |
| U2A91 | Odometer Vehicle Identification Number | N/A |
| DTC | DTC Descriptor | Component Name |
|---|---|---|
| U2C91 | Vehicle Identification Number - Not Programmed | N/A |
| U3000 | Control Module | N/A |
| U3001 | Control Module Improper Shutdown | N/A |
| U3002 | Vehicle Identification Number | N/A |
| U3012 | Control Module Improper Wake-up Perfomance | N/A |
| U301A | Control Module Wake-Up Circuit | N/A |
| U301B | Control Module Wake-Up Circuit Low | N/A |
| U301C | Control Module Wake-Up Circuit High | N/A |
| U3034 | Message Authentication Keys Missing or Incomplete | N/A |
| U3035 | Unable to Authenticate Serial Data Message | N/A |
| U35B9 | Control Module General Memory Failure | N/A |