B1188

DTC Troubleshooting: B1155, B1156, B1157, B1159, B1160, B1188

DTC B1155:

Gauge Control Module Lost Communication With the MICU Unit (headlight switch message)

DTC B1156:

Gauge Control Module Lost Communication With the MICU (wiper switch message)

DTC B1157:

Gauge Control Module Lost Communication With the MICU (MICU message)

DTC B1159:

Gauge Control Module Lost Communication With the MICU (DOORSW message)

DTC B1160:

Gauge Control Module Lost Communication With the MICU (DRLOCKSW message)

DTC B1188:

Gauge Control Module Lost Communication With the MICU (RM 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.

Are DTCs B1155, B1156, B1157, B1159, B1160, and/or B1188 indicated?

YES -

Go to step 5.

NO -

Intermittent failure. The gauge control module is OK at this time. Check for loose or poor connections. If the connections are good, check the battery condition Testing and Inspection, and the charging system.�

5. Check for DTCs with the HDS.

Is DTC B1905 indicated at the same time?

YES -

Faulty MICU; replace the under-dash fuse/relay box Under-Dash Fuse/Relay Box Removal/Installation.�

NO -

Replace the gauge control module Service and Repair.�