Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Honda Odyssey EXFACTORY OEM SERVICE PROCEDURE
Power Tailgate Control Unit DTCS
| DTC | Description |
|---|---|
| B1352 | Power tailgate control unit internal error (EEPROM error) |
| B1375 | Driver's side PTG switch circuit malfunction |
| B1376 | Tailgate outer handle switch circuit malfunction |
| B1377 | Power tailgate inner switch circuit malfunction |
| B1378 | Power tailgate right touch/pinch sensor circuit malfunction |
| B1379 | Power tailgate left touch/pinch sensor circuit malfunction |
| B1380 | Tailgate closer unit neutral switch circuit malfunction |
| B1382 | Tailgate closer unit full latch switch circuit malfunction |
| B1383 | Tailgate closer unit ratchet switch circuit malfunction |
| B1384 | Tailgate closer unit half latch switch circuit malfunction |
| B1386 | Power tailgate sensor pulse A circuit malfunction |
| B1387 | Power tailgate sensor pulse B circuit malfunction |
| B1388 | Power tailgate drive motor circuit malfunction |
| B1390 | Power tailgate closer motor function error |
| U0199 | Lost communication with P/W (DRLOCKSW, KLDRLOCK frame) |
| U1280 | Communication bus line error (a bus OFF state is detected by power tail gate ECU) |
| U1281 | Lost communication with MICU (MICU frame) |
| U128D | Power tailgate control unit lost communication with gauge control module |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.