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 DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1475 (CRUISE CONTROL SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC TROUBLE CODE (DTC) LIST
2003 Chevrolet TrailBlazer 4.2 S, 4WD
Diagnostic Trouble Code (DTC) List
2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Diagnostic Trouble Code (DTC) List
WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostic Trouble Code (DTC) List
| DTC | Diagnostic Procedure | Module (s) |
|---|---|---|
| CXXXX | Diagnostic Trouble Code (DTC) List in Antilock Brake System | EBCM |
| P0500 | DTC P0500 in Manual Transmission - MM6/M12 | PCM |
| P0502 | DTC P0502 in Automatic Transmission - 4L60-E | PCM |
| P0503 | DTC P0503 in Automatic Transmission - 4L60-E | PCM |
| P0567 | DTC P0567 | PCM |
| P0568 | DTC P0568 | PCM |
| P0571 | DTC P0571 | PCM |
| P0719 | DTC P0719 in Automatic Transmission - 4L60-E | PCM |
| P0724 | DTC P0724 in Automatic Transmission - 4L60-E | PCM |
| P0833 | DTC P0833 in Manual Transmission - MM6/M12 | PCM |
| P1574 | DTC P1574 | PCM |
| PXXXX | Diagnostic Trouble Code (DTC) List in Engine Controls-5.7L | PCM |
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.