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 Saturn Ion Red LineFACTORY OEM SERVICE PROCEDURE
Cruise Control DTCS
CRUISE CONTROL DTCS DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | DEFINITION |
|---|---|
| DTC P0564 | Invalid Voltage Signal On Cruise Control Switch Circuit |
| DTC P0565 | Cruise Control Switch Circuit |
| DTC P0572 (2.2L) | Cruise Control Brake Switch Circuit Low Voltage |
| DTC P0573 (2.2L) | Cruise Control Brake Switch Circuit High Voltage |
| DTC P0719 (2.0L) | Brake Switch Circuit Low Voltage |
| DTC P0724 (2.0L) | Brake Switch Circuit High Voltage |
| DTC P1574 (2.2L) or DTC P1574 (2.0L) | Stop Lamp Switch Circuit |
| DTC P1580 | Cruise Control Move Circuit Low Voltage |
| DTC P1581 | Cruise Control Move Circuit High Voltage |
| DTC P1582 | Cruise Control Direction Output Circuit Low Voltage |
| DTC P1583 | Cruise Control Direction Output Circuit High Voltage |
| DTC P1584 | Cruise Control Disabled |
| DTC P1587 | Cruise Control Clutch Output Circuit Low Voltage |
| DTC P1588 | Cruise Control Clutch Output 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.
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