U0151

DTC Troubleshooting: U0151

DTC U0151:

Gauge Control Module Lost Communication With SRS Unit (SRS message)

NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A Troubleshooting - B-CAN System Diagnosis Test Mode A.

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 5.

NO -

Intermittent failure, the system is OK at this time. Check for loose or poor connections between the gauge control module and the SRS unit.�

5. Check for SRS DTC's with the HDS.

Are DTCs indicated?

YES -

Go to the indicated DTC's troubleshooting, then recheck.

NO -

Go to step 6.

6. Turn the ignition switch to LOCK (0).

7. Disconnect the gauge control module 32P connector.

8. Disconnect SRS unit connector A (39P).

9. Check for continuity between gauge control module 32P connector terminals No. 29 and No. 30 and SRS unit connector A (39P) terminals No. 16 and No. 17 respectively.





Is there continuity?

YES -

Substitute a known-good SRS unit, and recheck. If the indication goes away, replace the original SRS unit. If the DTC is still present, replace the gauge control module Gauge Control Module Replacement.�

NO -

Repair an open or high resistance in the wire.�