DTC B12F2: Communication Fail Between Keyless Access Control Unit and PCU

DTC (Power Control Unit)

1. Problem verification 1

   -1. Clear the DTCs with the HDS.

   - 2. Do this procedure 10 times: Press the engine start/stop button to select the OFF, ACC, ON, and OFF mode.

   - 3. Check for DTCs with the HDS.

   DTC Description	DTC
   B12F2 Communication fail between keyless access control unit and PCU

   Is DTC B12F2 indicated?

   YES 

   Replace the keyless access control unit .

   NO 

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