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.
2001 Cadillac Seville STSFACTORY OEM SERVICE PROCEDURE
Cruise Control DTCS
CRUISE CONTROL DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Perform Test |
|---|---|---|
| P0574 | Powertrain Control Module Detects High Vehicle Speed | DTC P0574 |
| P1554 | Powertrain Control Module Detects Cruise Engaged Signal | DTC P1554 |
| P1560 | Cruise Control Engaged With Vehicle In Neutral Or Park | DTC P1560 |
| P1564 | Powertrain Control Module Detects Rapid Acceleration | DTC P1564 |
| P1566 | Powertrain Control Module Detects High Engine Speed | DTC P1566 |
| P1567 | Traction Control System Applied Brakes | DTC P1567 |
| P1570 | Traction Control Active Cruise Disabled | DTC P1570 |
| P1574 | Stop Light Switch Circuit Signal Failure | DTC P1574 |
| P1585 | Cruise Control Inhibit Output Circuit | DTC P1585 |
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.