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.
2013 Hyundai Equus SignatureFACTORY OEM SERVICE PROCEDURE
Instrument Panel Module DTCS
DIAGNOSTIC TROUBLE CODES DESCRIPTIONS
| 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
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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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