DTC U0155: Lost Communication With Gauge Control Module (VSP/NE frame)
NOTE:
If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A
).
- Clear the DTCs with the HDS.
- Turn the ignition switch to LOCK (0) and then back to ON (II).
- Wait for 6 seconds or more.
- Check for DTCs with the HDS.
Is DTC U0155 indicated?
YES - Go to step 5.
NO - Intermittent failure, the system is OK at this time. Check for loose or poor connections between the power seat control unit and the gauge control module. ■
- From the BODY ELECTRICAL system select menu, select UNIT INFORMATION, and then select CONNECTED UNIT.
Is the gauge control module detected?
YES - Replace the power seat control unit. ■
NO - Go to step 6.
- Turn the ignition switch to LOCK (0).
- Disconnect the gauge control module 32P connector.
- Disconnect power seat control unit connector B (40P).
- Check for continuity between power seat control unit connector B (40P) terminals No. 39 and No. 40 and the gauge control module 32P connector terminals No. 19 and No. 20 individually.
Is there continuity?
YES - Replace the gauge control module (see GAUGE CONTROL MODULE REPLACEMENT ). ■
NO - Repair an open or high resistance in the wire between the gauge control module and the power seat control unit. ■