DTC B1003
WARNING: This page is about a different car, the 2022 Honda Accord, 2021 Honda Accord, 2020 Honda Accord, 2019 Honda Accord, and 2018 Honda Accord. However, it is still accessible from the selected car via links, so may be relevant.
DTC B1003 : BCM (Body Control Module) PROGRAM Error
NOTE:
- If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A .
- This DTC is indicated when a body control module update is not completed properly.
- Before updating the body control module, make sure the 12 volt battery in the vehicle is fully charged, and connect a 12 volt jumper battery (not a 12 volt 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.
| DTC Description | DTC |
|---|---|
| B1003 BCM (body control module) PROGRAM error |
DTC (Body Control Module)
- Problem verification
-1. Clear the DTCs with the HDS.
-2. Turn the vehicle to the OFF (LOCK) mode and then the ON mode.
-3. Check for DTCs with the HDS.
DTC Description DTC B1003 BCM (body control module) PROGRAM error Is DTC B1003 indicated?
YES
Update the body control module .
NO
Intermittent failure, the system is OK at this time.