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.
2012 Hyundai Genesis 5.0FACTORY OEM SERVICE PROCEDURE
MULTIFUNCTION Switch DTCS
MULTIFUNCTION SWITCH DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| DTC B1550 | Cruise Switch Error |
| DTC B1551 | Audio 1 Switch Error |
| DTC B1552 | Audio 2 Switch Error |
| DTC B1553 | Light Multifunction Switch Error |
| DTC B1554 | Turn Signal Multifunction Switch Error |
| DTC B1555 | Wiper Multifunction Switch Error |
| DTC B1602 | CAN Error |
| DTC B1603 | CAN Communication Bus Off |
Factory Service Tools
Use the Manual With the Right Hardware
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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.