U0151

Control System DTCs

DTC Troubleshooting: U0151

DTC U0151 : Gauge Control Module Lost Communication With SRS Unit (SRS Message)

NOTE:
* If you have any loss of communication DTCs for the PCM, troubleshoot those DTCs first.
* If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A.

*: Wire colors may be substituted for SRS circuits.

1. Problem verification:

-1. Clear the DTCs with the HDS.

-2. Turn the ignition switch to LOCK (0) and then back to ON (II).

-3. Wait for at least 6 seconds.

-4. Check for DTCs with the HDS.






Is DTC U0151 indicated?
-YES- Go to step 2.
-NO- Intermittent failure, the system is OK at this time. Check for loose or poor connections.

2. Open wire check (F CAN lines):

-1. Turn the ignition switch to LOCK (0).

-2. Disconnect the following connectors.






-3. Check for continuity between test points 1 and 2.














Is there continuity?
-YES- The F CAN wires are OK. Replace the gauge control module Service and Repair.
-NO- An open or poor connection in the F CAN wires between the SRS unit and the gauge control module.