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 CTS VFACTORY OEM SERVICE PROCEDURE
Instrument Panel DTCS
INSTRUMENT PANEL DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| DTC P0461 (3.6L (LY7)) | Fuel Level Sensor Performance |
| DTC P0461 (2.6L, 3.2L and 5.7L) | Fuel Level Sensor Performance |
| DTC P0462 (2.6L, 3.2L and 5.7L) | Fuel Level Sensor Circuit Low Voltage |
| DTC P0462 (3.6L (LY7)) | Fuel Level Sensor Circuit Low Voltage |
| DTC P0463 (2.6L, 3.2L and 5.7L) | Fuel Level Sensor Circuit High Voltage |
| DTC P0463 (3.6L (LY7)) | Fuel Level Sensor Circuit High Voltage |
| DTC P0521 | Engine Oil Pressure (EOP) Sensor Performance |
| DTC P0522 | Engine Oil Pressure (EOP) Sensor Circuit Low Voltage |
| DTC P0523 | Engine Oil Pressure (EOP) Sensor Circuit High Voltage |
| DTC P0608 | Vehicle Speed Output Circuit |
| DTC P2066 (2.6L, 3.2L and 5.7L) | Fuel Level Sensor 2 Performance |
| DTC P2066 (3.6L (LY7)) | Fuel Level Sensor 2 Performance |
| DTC P2067 (2.6L, 3.2L and 5.7L) | Fuel Level Sensor 2 Circuit Low Voltage |
| DTC P2067 (3.6L) | Fuel Level Sensor 2 Circuit Low Voltage |
| DTC P2068 (2.6L, 3.2L and 5.7L) | Fuel Level Sensor 2 Circuit High Voltage |
| DTC P2068 (3.6L) | Fuel Level Sensor 2 Circuit High Voltage |
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.