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 Pilot EliteFACTORY OEM SERVICE PROCEDURE
Power Tailgate DTCS
POWER TAILGATE DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description | DTC type |
|---|---|---|
| B1352 | Power Tailgate Control Unit Internal error (EEPROM error) | Internal error |
| B1375 - Refer to: DTC Troubleshooting: B1375 (2016 2017 2018) or DTC Troubleshooting: B1375 (2019 2020 2021) . |
Driver's side PTG switch circuit malfunction | Signal error |
| B1376 - Refer to: DTC Troubleshooting: B1376 (2016 2017 2018) or DTC Troubleshooting: B1376 (2019 2020 2021) . |
Tailgate Outer Handle switch circuit malfunction | Signal error |
| B1377 - Refer to: DTC Troubleshooting: B1377 (2016 2017 2018) or DTC Troubleshooting: B1377 (2019 2020 2021) . |
Power Tailgate Inner switch circuit malfunction | Signal error |
| B1378 - Refer to: DTC Troubleshooting: B1378 (2016 2017 2018) or DTC Troubleshooting: B1378 (2019 2020 2021) . |
Power Tailgate Right Touch/Pinch sensor circuit malfunction | Signal error |
| B1379 - Refer to: DTC Troubleshooting: B1379 (2016 2017 2018) or DTC Troubleshooting: B1379 (2019 2020 2021) . |
Power Tailgate Left Touch/Pinch sensor circuit malfunction | Signal error |
| B1380 - Refer to: DTC Troubleshooting: B1380 (2016 2017 2018) or DTC Troubleshooting: B1380 (2019 2020 2021) . |
Tailgate Closer Unit Neutral switch circuit malfunction | Signal error |
| B1381 | Tailgate Closer Unit Release switch circuit malfunction | Signal error |
| B1382 - Refer to: DTC Troubleshooting: B1382 (2016 2017 2018) or DTC Troubleshooting: B1382 (2019 2020 2021) . |
Tailgate Closer Unit Full Latch switch circuit malfunction | Signal error |
| B1383 - Refer to: DTC Troubleshooting: B1383 (2016 2017 2018) or DTC Troubleshooting: B1383 (2019 2020 2021) . |
Tailgate Closer Unit Ratchet switch circuit malfunction | Signal error |
| B1384 - Refer to: DTC Troubleshooting: B1384 (2016 2017 2018) or DTC Troubleshooting: B1384 (2019 2020 2021) . |
Tailgate Closer Unit Half Latch switch circuit malfunction | Signal error |
| B1385 - Refer to: DTC Troubleshooting: B1385 (2016 2017 2018) or DTC Troubleshooting: B1385 (2019 2020 2021) . |
Power tailgate temperature sensor malfunction | Signal error |
| B1386 - Refer to: DTC Troubleshooting: B1386 (2016 2017 2018) or DTC Troubleshooting: B1386 (2019 2020 2021) . |
Power Tailgate sensor Pulse A circuit malfunction | Signal error |
| B1387 - Refer to: DTC Troubleshooting: B1387 (2016 2017 2018) or DTC Troubleshooting: B1387 (2019 2020 2021) . |
Power Tailgate sensor Pulse B circuit malfunction | Signal error |
| B1388 - Refer to: DTC Troubleshooting: B1388 (2016 2017 2018) or DTC Troubleshooting: B1388 (2019 2020 2021) . |
Power Tailgate Drive Motor circuit malfunction | Signal error |
| B1390 - Refer to: DTC Troubleshooting: B1390 (2016 2017 2018) or DTC Troubleshooting: B1390 (2019 2020 2021) |
Power Tailgate Closer Motor function error | Signal error |
| U0155 | Lost communication with Gauge Control Module (VSP/NE, AT frame) | Loss of communication |
| U0199 | Lost communication with P/W (DRLOCKSW, KLDRLOCK frame) | Loss of communication |
| U1280 | Communication Bus line Error (a bus OFF state is detected by Power Tail Gate ECU) | Loss of communication |
| U1281 | Lost communication with MICU (MICU frame) | Loss of communication |
| U128D - Refer to: DTC Troubleshooting: U0155, U0199, U1281 (Power Tailgate Control Unit) (2016 2017 2018) or DTC Troubleshooting: U0199, U1281, U128D (Power Tailgate Control Unit) (2019 2020 2021) . |
Power tailgate control unit lost communication with gauge control module | Loss of communication |
Factory Service Tools
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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.
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