DTC B12D3: Power Control Unit IG Latch Circuit Error

NOTE: 

• 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 (2015-17), or Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode A - Initial Communication and DTC Checks (2018-19) .

• Make sure aftermarket accessories are not installed.

DTC (Power Control Unit)

1. Problem verification

   -1. Clear the DTCs with the HDS.

   - 2. Do this procedure 5 times: Press the engine start/stop switch to select the OFF, ACC, ON, and OFF mode.

   - 3. 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/TPMS control unit .

   NO 

   Intermittent failure, the system is OK at this time.