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 1788 (POWER STEERING SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2003 Chevrolet TrailBlazer 4.2 S, 4WD
Diagnostic Code Index
2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Diagnostic Code Index
WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC C0000 | Vehicle Speed Information Circuit |
| DTC C0475 | Steering Position and Rate of Change Sensor Circuit High |
| DTC C0476 | Electric Steering Motor Circuit Range/Performance |
| DTC C0545 | Steering Wheel Torque Input Sensor |
| DTC C0551 | Option Configuration Error |
| DTC C0847 | Device Ignition 1 Circuit Low |
| DTC C0848 | Device Ignition 1 Circuit High |
| DTC C0896 | Device Voltage Range/Performance |
| DTC C0899 | Device 1 Voltage Low |
| DTC C0900 | Device 1 Voltage High |
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.