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Tahoe / Yukon Service Manual

DTC P15FD

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 P15FD Wheel Speed Sensor Message Sequence Incorrect Symptom Byte Information: Symptom Byte List Circuit/System Description For an overview of the component/system, refer to: ABS Description and Operation Conditions for Running the DTC Ignition/Vehicle = ON Conditions for Setting the DTC A periodic message that indicates the transmitting device’s availability has not been received. Actions Taken When the DTC Sets Unexpected Operation & Some functions will not work. Conditions for Clearing the DTC The conditions for setting the DTC no longer exist. Diagnostic Aids Inspect the component for wear or damage: B5 Wheel Speed Sensor . Do NOT use a magnet to clean the component: Encoder Ring . Inspect the following components: B5 Wheel Speed Sensor = Correct part . If the customer comments that the ABS indicator is ON only during moist environmental conditions (rain, snow, vehicle washed), inspect the wheel speed sensor wiring for signs of water intrusion. Reference Information Schematic Reference Antilock Brake System Schematics Connector End View Reference Master Electrical Component List Electrical Information Reference Circuit Testing C cu t est g Connector Repairs Testing for Intermittent Conditions and Poor Connections Wiring Repairs Scan Tool Reference Control Module References Circuit/System Verification

  1. Ignition » On / Vehicle » In Service Mode
  2. Verify no other DTCs are set. ⇒ If any other DTCs are set Refer to: Diagnostic Trouble Code (DTC) List - Vehicle ⇓ If no other DTCs are set
  3. Replace the component: K160 Brake System Control Module
  4. Verify the DTC does not set. ⇒ If the DTC sets Replace the module that set the DTC. ⇓ If the DTC does not set
  5. All OK. Repair Instructions Perform the Diagnostic Repair Verification after completing the repair: Diagnostic Repair Verification For control module replacement, programming, and setup refer to: Control Module References