DTC Troubleshooting: B12A1
DTC B12A1: Power Control Unit Internal (CPU) Error
DTC Description
DTC
B12A1 Power Control Unit Internal (CPU) Erorr
  

NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A.

1.
Problem verification:

Problem verification
?1.
Turn the vehicle to the ON mode.

?2.
Clear the DTCs with the HDS.


?3.
Turn the vehicle to the OFF (LOCK) mode and then the ON mode.

?4.
Check for DTCs with the HDS.
DTC Description
DTC
B12A1 Power control unit internal (CPU) error
  

Is DTC B12A1 indicated?

     
YES
     
     
     
     
NO
     
     
     
Intermittent failure, the system is OK at this time.?