DTC U0129-527: Lost Communication with Brake System Control Module; DTC U0129-528: Lost Communication with Brake System Control Module; DTC U0140-146: Lost Communication with Body Control Module; DTC U0151-763: Lost Communication with Restraints Control Module; DTC U0164-827: Lost Communication with HVAC Control Module; DTC U1146-480: Lost Communication with Electric Propulsion Control System Gateway: Procedure
- CHECK DTC OUTPUT
- Connect the Techstream to the DLC3.
- Turn the power switch on (IG).
- Enter the following menus: System Select / Health Check.
- Check if DTCs are output.
Result
Result Proceed to Power management control ECU outputs P2532-772 A Power management control ECU does not output P2532-772 B - Turn the power switch off.
B → See step 2
A → See step 3
- GO TO CAN COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING
- GO TO DTC CHART (P2532-772). Refer to DTC P2532-772: Ignition Switch Run Position Circuit High