DTC B12D3: Power control unit IG latch circuit error

DTC (Power Control Unit)

NOTE:  If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A - Refer to: Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode A - Initial Communication and DTC Checks .

NOTE:  Make sure aftermarket accessories are not installed.

1. Problem verification:

   - 1. Turn the vehicle to the ON mode.

   - 2. Clear the DTCs with the HDS.

   - 3. Do this procedure 5 times: Turn the vehicle to the OFF (LOCK) mode, ACCESSORY mode, ON mode, and OFF (LOCK) mode.

   - 4. Turn the vehicle to the ON mode.

   - 5. Check for DTCs with the HDS.

   DTC Description	DTC
   B12D3 Power control unit IG latch circuit error

   Is DTC B12D3 indicated?

   YES 

   Replace the keyless access control unit .

   NO 

   Intermittent failure, the system is OK at this time.