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 MANUALSACURA2015RDX AWDREPAIR AND DIAGNOSISGENERAL INFORMATIONDTC INDEXMULTIPLEX INTEGRATED CONTROL UNIT (MICU) DTCS
2015 Acura RDX AWD
Multiplex Integrated Control Unit (MICU) DTCS
2015 Acura RDX AWDSECTION Multiplex Integrated Control Unit (MICU) DTCS
MULTIPLEX INTEGRATED CONTROL UNIT (MICU) DIAGNOSTIC TROUBLE CODE (DTC) INDENTIFICATION
| DTC | Description |
|---|---|
| B1002 | MICU Internal Error (EEPROM Error) (2013-18) |
| B1003 | MICU Update Error (2013-18) |
| B1028 | Rear Wiper Motor (Park) Signal Error (2013-15) |
| B1028 | Rear Wiper Motor (Park) Signal Error (2016-18) |
| B1036 | IG1 Power Supply Circuit Malfunction (2013-18) |
| B1077 | Windshield Wiper Motor (Park) Signal Error (2013-15) |
| B1077 | Windshield Wiper Motor (Park) Signal Error (2016-18) |
| B1079 | Daytime Running Light for USA Circuit Malfunction (2013-18) |
| B1081 | Left Side LED Headlight Malfunction (2016-18) |
| B1082 | Left Side LED Headlight Circuit Malfunction (2016-18) |
| B1083 | Right Side LED Headlight Malfunction (2016-18) |
| B1084 | Right Side LED Headlight Circuit Malfunction (2016-18) |
| B1275 | Headlight Switch Circuit Malfunction (2013-15) |
| B1275 | Headlight Switch Circuit Malfunction (2016-18) |
| B1279 | Dimmer Switch Circuit Malfunction (2013-18) |
| B1280 | Turn Signal Switch Circuit Malfunction (2013-18) |
| B1281 | Front Wiper Position Circuit Malfunction (2013-15) |
| B1281 | Front Wiper Position Circuit Malfunction (2016-18) |
| U1280 | Communication Bus Line Error (BUS-OFF) (2013-15) |
| U1280 | Communication Bus Line Error (BUS-OFF) (2016-18) |
| U128D | MICU Lost Communication With Gauge Control Module (2013-15) |
| U128D | MICU Lost Communication With Gauge Control Module (2016-18) |
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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.