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.
2011 Hyundai Equus SignatureFACTORY OEM SERVICE PROCEDURE
Instrument Panel Module DTCS
INSTRUMENT PANEL MODULE DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| DTC B1602 | CAN Error |
| DTC B1603 | CAN Communication Bus Off |
| DTC B1605 | CAN Time-out DDM |
| DTC B1606 | CAN Time-out ADM |
| DTC B1607 | CAN Time-out P/SEAT |
| DTC B1608 | CAN Time-out TILT/TELE |
| DTC B1611 | CAN Time-out FAM |
| DTC B1613 | CAN Time-out CLU |
| DTC B1625 | ECM Communication Data Failure |
| DTC B1640 | CAN Time-out MFSW |
| DTC B1641 | CAN Time-out FBWS |
| DTC B1642 | CAN Time-out PTM |
| DTC B1643 | CAN Time-out ECW |
| DTC B1689 | CAN Time-out PDM |
| DTC B1971 | Parking Position Input Error |
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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