DTC B12A1: Power Control Unit Internal (CPU) Error

DTC (Power Control Unit)

1. Problem verification

   -1. Clear the DTCs with the HDS.

   - 2. Press the engine start/stop button to select the ON mode.

   - 3. Check for DTCs with the HDS.

   DTC Description	DTC
   B12A1 Power Control Unit Internal (CPU) Error

   Is DTC B12A1 indicated?

   YES 

   Replace the keyless access control unit .

   NO 

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