DTC B1002 (Keyless Access Power Control Unit) (2025)

DTC B1002  : BCM internal error (EEPROM error)

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 .

DTC (Keyless Access Power Control Unit)

1. Problem verification

   -1. Clear the DTCs with the HDS.

   -2. Turn the vehicle to the OFF (LOCK) mode and then the ON mode.

   -3. Wait for at least 6 seconds.

   -4. Check for DTCs with the HDS.

   DTC Description	DTC
   B1002 BCM internal error (EEPROM error)

   Is DTC B1002 indicated?

   YES 

   Replace the body control module BODY CONTROL MODULE REMOVAL AND INSTALLATION .

   NO 

   Intermittent failure, the system is OK at this time.