DTC B12E5: Incorrect Assembly of Control Unit for Electric Steering Lock Equipped Vehicle

DTC (Power Control Unit)

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:

   - 1. Select model on the HDS screen.

   - 2. When prompted by the HDS, select YES when asked if the vehicle has keyless access system, then press and hold the engine start/stop button for at least 2 minutes. This selects the forced ON mode.

   - 3. Clear the DTCs with the HDS.

   - 4. Turn the vehicle to the OFF (LOCK) mode.

   - 5. Press the engine start/stop button.

   - 6. Select model on the HDS screen.

   - 7. When prompted by the HDS, select YES when asked if the vehicle has keyless access system, then press and hold the engine start/stop button for at least 2 minutes. This selects the forced ON mode.

   - 8. Check for DTCs with the HDS.

   DTC Description	DTC
   B12E5 Incorrect assembly of control unit for electric steering lock equipped vehicle

   Is DTC B12E5 indicated?

   YES 

   Incorrect assembly of control unit for electric steering lock equipped vehicle. Replace it with the correct keyless access control unit .

   NO 

   Intermittent failure, the system is OK at this time. Check for loose or poor connections.