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.
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HOMESERVICE MANUALSACURA2023MDX BASEREPAIR AND DIAGNOSISQUICK LOOKUPSDTC INDEXNETWORK COMMUNICATION DTCS (BODY ELECTRICAL)POWER TAILGATE CONTROL UNIT
2023 Acura MDX Base
Power Tailgate Control Unit
2023 Acura MDX BaseSECTION Power Tailgate Control Unit
| DTC | Description |
|---|---|
| DTC Troubleshooting: B1352 | Power Tailgate Control Unit Internal error (EEPROM error) |
| DTC Troubleshooting: B1375 (2022 2023 2024)DTC Troubleshooting: B1375 (2025) | Driver's side PTG switch circuit malfunction |
| DTC Troubleshooting: B1376 | Tailgate Outer Handle switch circuit malfunction |
| DTC Troubleshooting: B1377 | Power Tailgate Inside switch circuit malfunction |
| DTC Troubleshooting: B1378 | Power Tailgate Right Touch/Pinch sensor circuit malfunction |
| DTC Troubleshooting: B1379 | Power Tailgate Left Touch/Pinch sensor circuit malfunction |
| DTC Troubleshooting: B1380 | Tailgate Closer Unit Neutral switch circuit malfunction |
| DTC Troubleshooting: B1382 | Tailgate Closer Unit Full Latch switch circuit malfunction |
| DTC Troubleshooting: B1383 | Tailgate Closer Unit Ratchet switch circuit malfunction |
| DTC Troubleshooting: B1384 | Tailgate Closer Unit Half Latch switch circuit malfunction |
| DTC Troubleshooting: B1385 | Power Tailgate temperature sensor malfunction |
| DTC Troubleshooting: B1386 | Power Tailgate sensor Pulse A circuit malfunction |
| DTC Troubleshooting: B1387 | Power Tailgate sensor Pulse B circuit malfunction |
| DTC Troubleshooting: B1388 | Power Tailgate Drive Motor circuit malfunction |
| DTC Troubleshooting: B1390 | Power Tailgate Closer Motor circuit malfunction |
| DTC Troubleshooting: U0199 (Power Tailgate Control Unit) | Lost communication with P/W (DRLOCKSW, KLDRLOCK frame) |
| DTC Troubleshooting: U1280 (Power Tailgate Control Unit) | Communication Bus line Error (a bus OFF state is detected by Power Tail Gate ECU) |
| DTC Troubleshooting: U1281 (Power Tailgate Control Unit) | Lost communication with MICU (MICU frame) |
| DTC Troubleshooting: U128D (Power Tailgate Control Unit) | Power Tailgate Control Unit lost communication with GAUGE Control Module |
RENDER: 1.0x
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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.