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DTC B1001, B1002: MICU Internal Error (CPU Error) (EEPROM Error) Honda Ridgeline I

Communication Devices ~116 words

Note. If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A (see TROUBLESHOOTING - 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. Operate the door lock (LOCK/UNLOCK).
  4. Check for DTCs with the HDS. Is DTC B1001 and/or 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 (see «BATTERY TEST»(ref-220005-S13704765252006021600000) ) and the charging system.

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