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 MANUALSACURA2015RLXREPAIR AND DIAGNOSISQUICK LOOKUPSDTC INDEX (EXCEPT HYBRID)MULTIPURPOSE CAMERA UNIT DTCS
2015 Acura RLX
Multipurpose Camera Unit DTCS
2015 Acura RLXSECTION Multipurpose Camera Unit DTCS
MULTIPURPOSE CAMERA UNIT DIAGNOSTIC TROUBLE CODE (DTC) INDENTIFICATION
| DTC | Description | DTC type |
|---|---|---|
| B1002 | MICU internal error (EEPROM error) | Internal error |
| B1003 | MICU update error | Internal error |
| B1036 | IG1 power supply circuit malfunction | Signal error |
| B1275 | Headlight OFF position circuit malfunction | Signal error |
| B1276 | Headlight switch parking position circuit malfunction | Signal error |
| B1277 | Headlight AUTO position circuit malfunction | Signal error |
| B1278 | Headlight ON position circuit malfunction | Signal error |
| B1279 | Dimmer switch circuit malfunction | Signal error |
| B1280 | Turn signal switch circuit malfunction | Signal error |
| B1281 | Front wiper MIST position circuit malfunction | Signal error |
| B1282 | Front wiper INT (AUTO) position circuit malfunction | Signal error |
| B1283 | Front wiper LOW position circuit malfunction | Signal error |
| B1284 | Front wiper HIGH position circuit malfunction | Signal error |
| B1575 | Auto light sensor circuit malfunction | Signal error |
| U0199 | MICU lost communication with power window master switch | Loss of communication |
| U1280 | B-CAN communication bus line error (BUS-OFF) | Loss of communication |
| U128D | MICU lost communication with gauge control module | Loss of communication |
| U1291 | MICU lost communication with relay control module | Loss of communication |
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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.