DTC Troubleshooting: B12E5
DTC B12E5: Incorrect Assembly of Control Unit for Electric Steering Lock Equipped Vehicle
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A.

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

1.
Problem verification:

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 body control module.
     
NO
     
     
     
Intermittent failure, the system is OK at this time. Check for loose or poor connections.?