B1032

DTC B1032: MICU Lost Communication with the SRS Unit (CDS Message)

NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A.

1. Clear the DTCs with the HDS.
2. Turn the ignition switch OFF, and then back ON (II).
3. Wait for 6 seconds or more.
4. Check for DTCs with the HDS.

Is DTC B1032 indicated?

YES - Go to step 5.

NO - Intermittent failure, the gauge control module is OK at this time. Check for loose or poor connections at the gauge control module (tach) 36P connector, and at under-dash fuse/relay box connector Q (16P). If the connections are good, check the battery condition and the charging system.

5. Check for DTCs with the HDS.

Are DTCs B1008 and B1011 also indicated with DTC B1032?

YES - Check for an open in the communication circuit between the MICU and the gauge control module (tach). If the circuit is bad, repair the open.

NO - Do the gauge control module (tach) input test. Gauge Control Module (Tach) Input Test