DTC U128D (Keyless Access Power Control Unit) (2025)
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 U128D : BCM lost communication with gauge control module
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 1 AND TEST MODE 2 (WITHOUT THE HDS) or BODY ELECTRICAL TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A - INITIAL COMMUNICATION AND DTC CHECKS or BODY ELECTRICAL TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE B - CONTROL UNIT NOT COMMUNICATING .
- Before you troubleshoot, review the general troubleshooting information. - Refer to: HOW TO TROUBLESHOOT THE BODY ELECTRICAL
- NETWORK COMMUNICATIONS SYSTEM DESCRIPTION (2021 2022 2023 2024 2025) .
| DTC Description | DTC |
|---|---|
| U128D BCM lost communication with gauge control module |
DTC (Keyless Access Power Control Unit)
- Problem verification
-1. Turn the vehicle to the ON mode.
-2. Clear the DTC with the HDS.
-3. Turn the vehicle to the OFF (LOCK) mode.
-4. Turn the vehicle to the ON mode, then wait for at least 6 seconds.
-5. Check for DTCs with the HDS.
DTC Description DTC U128D BCM lost communication with gauge control module Is DTC U128D indicated?
YES
Go to the Network Communications troubleshooting (B-CAN Lost Communication).
NO
Intermittent failure, the system is OK at this time.