DTC U0151: Gauge Control Module Lost Communication With SRS Unit
| DTC Description | DTC |
|---|---|
| U0151 Gauge control module lost communication with SRS unit |
DTC (Gauge Control Module)
NOTE:
- If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A - Refer to: Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode A - Initial Communication and DTC ChecksBody Electrical Troubleshooting - B-CAN System Diagnosis Test Mode 1 and Test Mode 2 (without the HDS)Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode B - Control Unit Not CommunicatingBody Electrical Troubleshooting - B-CAN System Diagnosis Test Mode C - No DTCs and Output Won't Shut OFFBody Electrical Troubleshooting - B-CAN System Diagnosis Test Mode D - No DTCs and Output Won't Turn ON .
- Wire colors may be substituted for SRS circuits.
- 1. Problem verification:
1. Clear the DTCs with the HDS.
2. Turn the vehicle to the OFF (LOCK) mode and then the ON mode.
3. Wait for at least 6 seconds.
4. Check for DTCs with the HDS.
DTC Description DTC U0151 Gauge control module lost communication with SRS unit 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 vehicle to the OFF (LOCK) mode.
2. Disconnect the following connectors.
Gauge control module connector A (32P) SRS unit connector A (39P) 3. Check for continuity between test points 1 and 2 respectively.
Test condition Vehicle OFF (LOCK) mode Gauge control module connector A (32P): disconnected
SRS unit connector A (39P): disconnected
Test point 1 Gauge control module connector A (32P) No. 19 Test point 2 SRS unit connector A (39P) No. 20 Test point 1 Gauge control module connector A (32P) No. 20 Test point 2 SRS unit connector A (39P) No. 21 Is there continuity?
YES
The F-CAN wires are OK. Replace the gauge control module .
NO
An open or poor connection in the F-CAN wires between the SRS unit and the gauge control module.