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 3.8FACTORY OEM SERVICE PROCEDURE
Front Back Warning System DTCS
FRONT BACK WARNING SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
| DTC B1602 | CAN Error |
| DTC B1603 | CAN Communication Bus Off |
| DTC B1621 | Power Error |
| DTC B1210 | Front Left Sensor Fault |
| DTC B1211 | Front Center Left Sensor Fault |
| DTC B1212 | Front Center Right Sensor Fault |
| DTC B1213 | Front Right Sensor Fault |
| DTC B1214 | Rear Left Sensor Fault |
| DTC B1215 | Rear Center Left Sensor Fault |
| DTC B1216 | Rear Center Right Sensor Fault |
| DTC B1217 | Rear Right Sensor Fault |
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.
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