DTC U0100-211, U0100-212, U0100-530, U0129-220, U0129-222, U0129-527, U0129-528, U0140-146, U0151-763, U0164-594, U0164-827, U1107-436: Lost Communication with ECM/PCM "A"; Lost Communication with ECM/PCM "A"; Lost Communication with ECM/PCM "A"; Lost Communication with Brake System Control Module; Lost Communication with Brake System Control Module; Lost Communication with Brake System Control Module; Lost Communication with Brake System Control Module; Lost Communication with Body Control Module; Lost Communication with Airbag ECU; Lost Communication with A/C ECU; Lost Communication with A/C ECU; Lost Communication with Power Management Module: Procedure
- CHECK DTC OUTPUT (ALL)
- Connect the Techstream to the DLC3.
- Turn the power switch on (IG).
- Check for DTCs of all systems by following the prompts on the Techstream screen.
- 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