B1167

DTC B1167: Gauge Control Module Lost Communication with VSA Modulator-Control Unit (VSA Message)

1. Clear the DTCs with the HDS.
2. Turn the ignition switch OFF, and then back ON (II).
3. Start and run the engine for at least 5 seconds the turn the engine off.
4. Check for DTCs with the HDS.

Is DTC B1167 indicated?

YES - Go to step 5.

NO - Intermittent failure, the F-CAN communication line is OK at this time. Check for loose or poor connections. If the connections are good, check the battery condition, and the charging system.

5. Check for DTCs with the HDS.

Are DTC B1178 also indicated at the same time?

YES - Troubleshoot DTC B1178.

NO - Go to step 6.

6. Check for DTCs in the PCM/VSA with the HDS.

Are any DTCs indicated?

YES - Troubleshoot the PCM/VSA DTCs.

NO - Go to step 7.

7. Turn the ignition switch OFF.
8. Disconnect the gauge control module 36P connector.
9. Disconnect the VSA modulator-control unit 47P connector.




10. Check for continuity between the No. 28 and No. 29 terminals of the gauge control module 36P connector and the No. 15 and No. 11 terminals of the VSA modulator-control unit 47P connector respectively.

Is there continuity?

YES - Go to step 11.

NO - Repair an open in the wire between the gauge control module and the VSA modulator-control unit.

11. Check for poor connections, power, and ground to the VSA modulator-control unit. If OK, substitute a known-good VSA modulator-control unit.
12. Check for DTCs with the HDS

Is DTC B1167 indicated?

YES - Replace the gauge control module.

NO - Replace the original VSA modulator-control unit.