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.
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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXCRUISE CONTROL DTCS
2003 Chevrolet TrailBlazer 4.2 S, 4WD
Cruise Control DTCS
2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Cruise Control DTCS
CRUISE CONTROL DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| DTC P0567 (4.2L) | Cruise Control Resume Switch Circuit |
| DTC P0567 (5.3L) | Cruise Control Resume Switch Circuit |
| DTC P0568 (4.2L) | Cruise Control Set Switch Circuit |
| DTC P0568 (5.3L) | Cruise Control Set Switch Circuit |
| DTC P1574 | Stoplamp Switch Circuit |
RENDER: 1.0x
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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.