DTC B12D3
WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 2025 Honda Odyssey, 2024 Honda Odyssey, 2023 Honda Odyssey, 2022 Honda Odyssey, and 2021 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.
DTC B12D3 : Power Control Unit (Body Control Module) IG Latch Circuit Error
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A .
| DTC Description | DTC |
|---|---|
| B12D3 Power Control Unit IG Latch Circuit Error |
DTC (Power Control Unit)
NOTE: Make sure aftermarket accessories are not installed.
- Problem verification
-1. Clear the DTCs with the HDS.
-2. Do this procedure 5 times: Turn the vehicle to the OFF (LOCK), ACCESSORY, ON, and OFF (LOCK) 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 body control module (Keyless Access Control Unit) .
NO
Intermittent failure, the system is OK at this time.