Honda HR-V Owners & Service Manuals

Honda HR-V: DTC B12D3 Power Control Unit IG Latch Circuit Error

Keyless Access Power Control Unit - Diagnostics

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.
  • Make sure aftermarket accessories are not installed.

1. Problem verification:

  1. Clear the DTCs with the HDS.

Clear DTCs

  1. Do this procedure 5 times: Turn the vehicle to the OFF (LOCK) mode, ACCESSORY mode, ON mode, and OFF (LOCK) mode.
  2. Check for DTCs with the HDS.

Keyless Access Power Control Unit - Diagnostics

Is DTC B12D3 indicated?

YES

Replace the keyless access control unit.

NO

Intermittent failure, the system is OK at this time.

    READ NEXT:

     DTC B12E0 Electric Steering Lock Switch Internal 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

     DTC B12E1 Electric Steering Lock Motor Internal 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-

     DTC B12E2 Electric Steering Lock Low Level Failure of MTRCUT1

    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

    SEE MORE:

     Maintenance

    MAINTENANCE MAIN ITEMS (KA/KC MODELS) If the message "SERVICE" does not appear more than 12 months after the display is reset, change the engine oil every year. NOTE: Independent of the maintenance messages in the information display and multi-information display, replace the brake fluid every

     PCM Power and Ground Circuit Troubleshooting

    1. Engine starting check. Try to start the engine. Does the engine start and idle smoothly? YES Go to the F-CAN circuit troubleshooting. NO Go to step 2. 2. Fuse check. Turn the vehicle to the OFF (LOCK) mode. Check the following fuse. Is the fuse OK? YES Go to step 6. NO Go to step 3. 3. Sh

    © 2019-2025 Copyright www.hohrv2.com