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Tahoe / Yukon Service Manual

DTC P00FF,

Engine Controls and Fuel - 5.3L L84 or 6.2L L87 | Diagnostic Information and Procedures | Document ID: 5646666 DTC P00FF, P069E, P06EC, P0700, P0800, P0A7B, P0AC4, P0CA1, P1700, P1E00, P2561, P25A2, P25AF, P25C9, P26C8, or P26C9 Diagnostic Instructions Perform the Diagnostic System Check prior to using this diagnostic procedure: Diagnostic System Check - Vehicle Review the description of Strategy Based Diagnosis: Strategy Based Diagnosis An overview of each diagnostic category can be found here: Diagnostic Procedure Instructions DTC Descriptor DTC P00FF Body Control Module Requested Malfunction Indicator Lamp Illumination DTC P069E Fuel Pump Control Module Requested Malfunction Indicator Lamp Illumination DTC P06EC Fuel Injector Control Module Requested Malfunction Indicator Lamp Illumination DTC P0700 Transmission Control Module Requested Malfunction Indicator Lamp Illumination DTC P0800 Active Transfer Case Control Module Requested Malfunction Indicator Lamp Illumination DTC P0A7B Battery Energy Control Module Requested Malfunction Indicator Lamp Illumination DTC P0AC4 Hybrid/Electric Vehicle Powertrain Control Module Requested Malfunction Indicator Lamp Illumination DTC P0CA1 Drive Motor Control Module Requested Malfunction Indicator Lamp Illumination DTC P1700 Transmission Control Module Requested Service Vehicle Soon Illumination DTC P1E00 Hybrid/Electric Vehicle Powertrain Control Module 2 Requested Malfunction Indicator Lamp Illumination DTC P2561 Air Conditioning Control Module Requested Malfunction Indicator Lamp Illumination DTC P25A2 Brake System Control Module Requested Malfunction Indicator Lamp Illumination DTC P25AF Coolant Temperature Control Module Requested Malfunction Indicator Lamp Illumination DTC P25C9 Brake System Control Module 2 Requested Malfunction Indicator Lamp Illumination DTC P26C8 Chassis Control Module Requested Malfunction Indicator Lamp Illumination DTC P26C9 Auxiliary Chassis Control Module Requested Malfunction Indicator Lamp Illumination Circuit/System Description The DTC is an informational DTC. The DTC indicates an emission related DTC set in the following control module: K9 Body Control Module K16 Battery Energy Control Module K17 Electronic Brake Control Module or K160 Brake System Control Module K20 Engine Control Module K38 Chassis Control Module K69 Transfer Case Control Module K71 Transmission Control Module K103 Fuel Injector Control Module K107 Drive Motor Control Module K111 Fuel Pump Power Control Module K114A Hybrid/Electric Vehicle Powertrain Control Module 1 K114B Hybrid/Electric Vehicle Powertrain Control Module 2 The control module K20 turns on the malfunction indicator lamp (MIL) when the requesting control module sends a message over serial data. Conditions for Running the DTC Ignition and Start Switch Signal = On or Engine = Running — For greater than 3 s Frequency the DTC runs = Continuously — After the running conditions are met Conditions for Setting the DTC An emission related DTC set in the following control module: K9 Body Control Module K16 Battery Energy Control Module K17 Electronic Brake Control Module or K160 Brake System Control Module K20 Engine Control Module K38 Chassis Control Module K69 Transfer Case Control Module K71 Transmission Control Module K103 Fuel Injector Control Module K107 Drive Motor Control Module K111 Fuel Pump Power Control Module K114A Hybrid/Electric Vehicle Powertrain Control Module 1 K114B Hybrid/Electric Vehicle Powertrain Control Module 2 Actions Taken When the DTC Sets DTCs listed in the DTC Descriptor category = Type A DTC Malfunction Indicator Lamp (MIL) = On Conditions for Clearing the DTC DTCs listed in the DTC Descriptor category = Type A DTC Reference Information DTC Type Reference Powertrain Diagnostic Trouble Code (DTC) Type Definitions Scan Tool Reference Control Module References Circuit/System Verification

  1. Verify there are no DTCs set related to the following component/system: Engine Controls and Fuel Serial Data ⇒ If a related DTC is set Refer to: Diagnostic Trouble Code (DTC) List - Vehicle ⇓ If a related DTC is not set
  2. Verify there are no DTCs set related to the following component/system: – Air Conditioning System – Battery Energy Control Module – Body Systems – Brakes – Chassis Control Module – Coolant – Drive Motor Control Module – Fuel System – Hybrid/Electric Vehicle System – Transfer Case Control Module – Transmission ⇒ If a related DTC is set Refer to: Diagnostic Trouble Code (DTC) List - Vehicle ⇓ If a related DTC is not set
  3. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data. Verify no other DTCs are set. ⇒ If other DTCs are set Refer to: Diagnostic Trouble Code (DTC) List - Vehicle ⇓ If no other DTCs are set
  4. All OK. Repair Instructions Perform the Diagnostic Repair Verification after completing the repair: Diagnostic Repair Verification