DTC B12D0: Power Control Unit IG1A Circuit Error; DTC B12D1: Power Control Unit IG1B Circuit Error; DTC B12D2: Power Control Unit IG2 Circuit Error; DTC B12D3: Power Control Unit IG Latch Circuit Error
WARNING: This page is about a different car, the 2010 Acura TL and 2009 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Make sure aftermarket accessories are not installed.
- Clear the DTCs with the HDS.
- Do this procedure 5 times:
- Press the engine start/stop button to select the OFF mode
- Wait 10 seconds
- Select the ACC mode
- Wait 10 seconds
- Select the ON mode
- Wait 10 seconds before repeating this procedure
- Check for DTCs with the HDS.
Are DTCs B12D0, B12D1, B12D2, and/or B12D3 indicated?
YES -Replace the power control unit (see POWER CONTROL UNIT ).
NO -Intermittent failure, the system is OK at this time.