Honda HR-V: DTC B12D3 Power Control Unit IG Latch Circuit Error
![Keyless Access Power Control Unit - Diagnostics](images/books/1097/index 46(26).png)
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:
- Clear the DTCs with the HDS.
Clear DTCs
- Do this procedure 5 times: Turn the vehicle to the OFF (LOCK) mode,
ACCESSORY mode, ON
mode, and OFF (LOCK) mode.
- Check for DTCs with the HDS.
![Keyless Access Power Control Unit - Diagnostics](images/books/1097/index 47(26).png)
Is DTC B12D3 indicated?
YES
Replace the keyless access control unit.
NO
Intermittent failure, the system is OK at this time.
READ NEXT:
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 (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 (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:
General Check Before Troubleshooting
Before troubleshooting the immobilizer system, check the following general
items and resolve any issues, if
applicable:
The 12 volt battery is low; charge the 12 volt battery fully, then
troubleshoot the immobilizer system.
The ignition key is not a genuine
Test
1. Vehicle - Lift
2. Engine Undercover - Remove (With 2WD)
3. Transmission Fluid Temperature Sensor - Test
Disconnect the connector (A).NOTE:
To prevent damage, cover the connector using a shop towel.
Check the connector for corrosion, dirt, or oil, and clean or repair
if necessary.