FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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B1002

DTC B1002: MICU (EEPROM) Error

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 B1002 indicated?

YES - Faulty MICU; replace the under-dash fuse/relay box.

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