DTC B1008: MICU Lost Communication (A/T Message) with the Gauge Control Module

1. Clear the DTCs using the HDS.

1. Cycle the ignition switch to OFF, and then back ON.

1. Check for DTCs by selecting the DTCs MENU (DTCs) from the HDS.

Is DTC B1008 indicated?

YES | - | Go to Step 4 .
NO | - | Intermittent failure, the gauge control module is OK at this time.■

1. Check for DTCs in the relay module by selecting the DTCs MENU (DTCs) from the HDS.

Is DTC B1161 indicated?

YES | - | Go to the gauge control module input test. ■
NO | - | Check for an open, or a short to power or ground in the communication circuit between the MICU and the gauge control module. If the circuit is OK, replace the MICU . If the circuit is bad, repair the open, or short to power or ground.■