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.
SYS.OK|MANUAL.DB● LIVE
2008 Acura RL
ONSTAR DTCS
2008 Acura RLSECTION ONSTAR DTCS
ONSTAR DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| DTC B1401 | OnStar Control Unit Internal Error (CPU Error) |
| DTC B1402 | Onstar Control Unit Internal Error (EEPROM Error) |
| DTC B1403 | GPS Receiver Error |
| DTC B1404 | Telephone Module Error |
| DTC B1400 | Communication Bus Line Error (BUS-OFF) |
| DTC B1405 | OnStar Control Unit Lost Communication with Driver's MPCS Unit (Door Switch Message) |
| DTC B1406 | OnStar Control Unit Lost Communication with Driver's MPCS Unit (Door Look Switch Message) |
| DTC B1407 | OnStar Control Unit Lost Communication with Driver's MPCS Unit (ASLOCKSW Message) |
| DTC B1408 | OnStar Control Unit Lost Communication with Gauge Control Module (VSP/NE Message) |
| DTC B1425 | OnStar Control Unit Lost Communication with SRS Unit (collision detection system line) |
| DTC B1426 | OnStar Switches Circuit Malfunction |
| DTC B1427 | Microphone Circuit Malfunction |
| DTC B1428 | GPS Antenna Circuit Malfunction |
| DTC B1433 | Cellular PHONE Antenna Circuit Malfunction |
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.