Honda HR-V Owners & Service Manuals

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

Honda HR-V (2015-2021) Service Manual / Accessories & Equipment / Keyless Access Power Control Unit - Diagnostics / 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:

     DTC Troubleshooting 11-12, 13-12, 15-12, 17-12: Wheel Speed Sensor Power Source Malfunction

    NOTE: Before you troubleshoot, review the general troubleshooting information. 1. Problem verification: Turn the vehicle to the ON mode. Clear the DTC with the HDS. Turn the vehicle to the OFF (LOCK) mode, then to the ON mode. Check for DTCs with the HDS. Is DTC 11-12, 13-12, 15-12, or 17-

     Keyless/Power Door Locks/Security System Symptom Troubleshooting - The Horn Does Not Sound And/Or The Headlights Do Not Flash When The Panic Button On The Remote Is Pressed

    NOTE: Before troubleshooting, check the B-CAN DTCs. If any DTC is indicated, troubleshoot the indicated DTC first. 1. Determine possible failure area (MICU, others): Press the PANIC button. Do the horns sound? YES Go to step 3. NO Go to step 2. 2. Horn operation check: Press the horn button.

    © 2019-2025 Copyright www.hohrv2.com