DTC B12F2: Power Control Unit Lost Communication With Keyless Access Control Unit

- 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.

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.