DTC B1155: Gauge Control Module Lost Communication with Combination Switch Control Unit (HLSW Message); DTC B1156: Gauge Control Module Lost Communication with Combination Switch Control Unit (WIPSW 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
).
- Clear the DTCs with the HDS.
- Turn the ignition switch to LOCK (0), and then back to ON (II).
- Wait for at least 6 seconds.
- Check for DTCs with the HDS.
Is DTC B1155 and/or B1156 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 combination switch control unit.
- Check for DTCs with the HDS.
Are DTCs B1007, B1062, B1063, B1957, B1958, and/or B2969 also indicated?
YES -Do the combination switch control unit input test WIPER/WASHER SWITCH (COMBINATION SWITCH CONTROL UNIT) INPUT TEST ).
NO -Do the gauge control module input test