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 DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXNETWORK COMMUNICATION DTCS (BODY ELECTRICAL)BODY CONTROL MODULE
2023 Acura MDX Base
Body Control Module
2023 Acura MDX BaseSECTION Body Control Module
| DTC | Description |
|---|---|
| DTC Troubleshooting: B1002 | BCM internal error (EEPROM error) |
| DTC Troubleshooting: B1003 | BCM Update error |
| DTC Troubleshooting: B1028 | Rear wiper motor (park) signal error |
| DTC Troubleshooting: B1032 | CDS (Collision detection signal) signal error |
| DTC Troubleshooting: B1036 | IG1 Power supply Circuit Malfunction |
| DTC Troubleshooting: B1038 | IMMOBILIZER F-CAN Authentication ID Not Received |
| DTC Troubleshooting: B1039 | IMMOBILIZER F-CAN Authentication ID Unmatch |
| DTC Troubleshooting: B1040 | BCM lost communication with Front wiper |
| DTC Troubleshooting: B1041 | Front Wiper motor malfunction |
| DTC Troubleshooting: B1042 | Front Wiper security line error |
| DTC Troubleshooting: B1043 | Front Wiper unit internal error (EEPROM error) |
| DTC Troubleshooting: B1275, B1276, B1277, B1278 | Head light OFF position Circuit Malfunction |
| DTC Troubleshooting: B1275, B1276, B1277, B1278 | Headlight Switch Parking (Small) Position Circuit Malfunction |
| DTC Troubleshooting: B1275, B1276, B1277, B1278 | Head light AUTO position Circuit Malfunction |
| DTC Troubleshooting: B1275, B1276, B1277, B1278 | Head light ON position Circuit Malfunction |
| DTC Troubleshooting: B1279 | Dimmer switch Circuit Malfunction |
| DTC Troubleshooting: B1280 | Turn signal switch Circuit Malfunction |
| DTC Troubleshooting: B1281, B1282, B1283, B1284 | Front wiper MIST position Circuit Malfunction |
| DTC Troubleshooting: B1281, B1282, B1283, B1284 | Front wiper INT (AUTO) position Circuit Malfunction |
| DTC Troubleshooting: B1281, B1282, B1283, B1284 | Front wiper LOW position Circuit Malfunction |
| DTC Troubleshooting: B1281, B1282, B1283, B1284 | Front wiper HIGH position Circuit Malfunction |
| DTC Troubleshooting: B2352 | Rain Light Sensor Unit Internal error (EEPROM error) |
| DTC Troubleshooting: B2375 | Rain Sensing malfunction in Rain/Light sensor |
| DTC Troubleshooting: B2376 | Light sensing malfunction in Rain/Light sensor |
| DTC Troubleshooting: U0073 (Body Control Module) | F-CAN communication bus line error (BUS-OFF) |
| DTC Troubleshooting: U0100 (Body Control Module) | BCM lost communication with ECM/PCM |
| DTC Troubleshooting: U0122 (Body Control Module) | BCM lost communication with VSA/ABS |
| DTC Troubleshooting: U1280 (Body Control Module) | B-CAN communication bus line error (BUS-OFF) |
| DTC Troubleshooting: U128D (Body Control Module) | BCM lost communication with gauge control module |
| DTC Troubleshooting: U1291 (Body Control Module) | BCM lost communication with relay control module |
RENDER: 1.0x
NO RELATED
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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.