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.
2004 Cadillac SevilleFACTORY OEM SERVICE PROCEDURE
Navigation DTCS
NAVIGATION DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| DTC B0001 | ECU Malfunction |
| DTC B2460 | Navigation Antenna Selector Circuit High Current |
| DTC B2462 | GPS Signal Error |
| DTC B2463 | Navigation CD Player - No Disk |
| DTC B2464 | Navigation CD Player - Decoding Error |
| DTC B2465 | Navigation CD Player - Data Error |
| DTC B2466 | Navigation VICS Memory Error |
| DTC B2468 | Navigation Display Head (NDH) Malfunction |
| DTC B2474 | Navigation Display Head (NDH) Back Lighting Malfunction |
| DTC B2475 | Navigation Display Head (NDH) Auxiliary Input Malfunction |
| DTC U2153 | VICS ECU Communication 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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