Honda HR-V: DTC B1002 MICU Internal Error (EEPROM Error)
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DTC (MICU)
NOTE : If you are troubleshooting multiple DTCs, be sure to follow the
instructions in B-CAN System
Diagnosis Test Mode A - Refer to: Body Electrical Troubleshooting - B-CAN System
Diagnosis Test Mode
A - Initial Communication and DTC Checks.
1. Problem verification:
- The DTCs with the HDS.
Clear DTCs
- Turn the vehicle to the OFF (LOCK) mode and then the ON mode.
- Wait for at least 6 seconds.
- Check for DTCs with the HDS.
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Is DTC B1002 indicated?
YES
Faulty MICU; replace the under-dash fuse/relay box.
NO
Intermittent failure, the MICU is OK at this time.
DTC B1003: MICU UPDATE ERROR
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DTC (MICU)
NOTE :
- If you are troubleshooting multiple DTCs, be sure to follow the
instructions in B-CAN System Diagnosis
Test Mode A - Refer to: Body Electrical Troubleshooting - B-CAN System
Diagnosis Test Mode A -
Initial Communication and DTC Checks.
- This DTC is indicated when a MICU update is not completed properly.
- Before update the MICU, make sure the 12 volt battery in the vehicle is
fully charged, and connect a
jumper 12 volt battery (not a battery charger) to maintain system voltage.
- Never turn the vehicle to the ACCESSORY mode or OFF (LOCK) mode, during
the reprogramming. If
there is a problem with the reprogramming, turn the vehicle to the ON mode.
1. Problem verification:
- Clear the DTCs with the HDS.
Clear DTCs
- Turn the vehicle to the OFF (LOCK) mode and then the ON mode.
- Check for DTCs with the HDS.
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Is DTC B1003 indicated?
YES
Update the MICU.
NO
Intermittent failure, the system is OK at this time.
READ NEXT:
DTC (MICU)
NOTE : If you are troubleshooting multiple DTCs, be sure to follow the
instructions in B-CAN System
Diagnosis Test Mode A - Refer to: Body Electrical Troubleshooting - B-CAN System
Diagn
DTC (MICU)
NOTE : If you are troubleshooting multiple DTCs, be sure to follow the
instructions in B-CAN System
Diagnosis Test Mode A - Refer to: Body Electrical Troubleshooting - B-CAN System
Diagn
DTC (MICU)
NOTE : If you are troubleshooting multiple DTCs, be sure to follow the
instructions in B-CAN System
Diagnosis Test Mode A - Refer to: Body Electrical Troubleshooting - B-CAN System
Diagn
SEE MORE:
HOW TO TROUBLESHOOT THE BODY ELECTRICAL
Tips and Precautions
Special Tools Required
Back Probe Adapter, 17 mm 07TAZ-001020A
Before Troubleshooting
1. Check applicable fuses in the appropriate fuse/relay box.
2. Check the 12 volt battery for damage, state of charge, and clean and tight
connections.
NOTE: Before you troubleshoot, review the general troubleshooting
information.
1. Problem verification:
Turn the vehicle to the ON mode.
Clear the DTC with the HDS.
Turn the vehicle to the OFF (LOCK) mode.
Test-drive the vehicle.
NOTE: Drive the vehicle on the road, not on a lift.
Check fo