DTC P15F8

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 P15F8 Automatic Braking Engine Torque Request Signal Message Counter 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 Ignition Voltage = Greater than 8 V Conditions for Setting the DTC K20 Engine Control Module = Lost Communication with Brake System Control Module Actions Taken When the DTC Sets The ABS remains functional. P15F8 = Type B DTC Traction/Stability Control Indicator = ON A message and/or warning indicator may be displayed to the driver. Conditions for Clearing the DTC P15F8 = Type B DTC Reference Information Schematic Reference Antilock Brake System Schematics Connector End View Reference Master Electrical Component List Electrical Information Reference Circuit Testing Connector Repairs Testing for Intermittent Conditions and Poor Connections Wiring Repairs Scan Tool Reference Control Module References Circuit/System Verification

1. Verify there are no other DTCs set, except for DTC P15F8. ⇒ If any other DTCs are set Refer to: Diagnostic Trouble Code (DTC) List - Vehicle ⇓ If no other DTCs are set
2. Replace the appropriate component: K160 Brake System Control Module or K17 Electronic Brake Control Module
3. Under normal operating conditions: Verify that no DTCs are set. ⇒ If the DTC sets Replace the component: K20 Engine Control Module ⇓ If no DTC is set
4. 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