DTC B1003: MICU Program Update Error
| DTC Description | DTC |
|---|---|
| B1003 MICU Program Update Error |
NOTE:
- This DTC is indicated when a MICU update is not completed properly.
- Before updating the MICU, make sure the battery in the vehicle is fully charged, and connect a jumper battery (not a battery charger) to maintain system voltage.
- Never turn the ignition switch to ACC (I) or LOCK (0) during the update. If there is a problem with the update, leave the ignition switch in ON (II).
- Problem verification:
- 1. Clear the DTCs with the HDS.
- 2. Turn the ignition switch to LOCK (0) and then back to ON (II).
- 3. Check for DTCs with the HDS.
DTC Description DTC B1003 MICU Program Update Error
Is DTC B1003 indicated?
YES : Update the MICU.
NO : Intermittent failure, the system is OK at this time.