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 PROCEDURESDTC C0476TEST DESCRIPTION
2003 Chevrolet TrailBlazer 4.2 S, 4WD
Test Description
2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Test Description
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.
The number below refers to the step number on the diagnostic table.
- 2: This step tests if the high system temperature is system, or driving condition related.
DTC C0476
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Power Steering Schematics Connector End View Reference: Power Steering Connector End Views |
|||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle |
| 2 | Since most occurrences of the DTC are caused by frequent static steering, such as parking maneuvers and high ambient temperatures, review the electric power steering (EPS) system with the customer to determine the conditions under which the DTC set. Did steering conditions or high ambient temperatures cause the DTC to set? |
Go to Step 3 | Go to Diagnostic Aids |
| 3 |
|
Go to Step 2 | System OK |
RENDER: 1.0x
NO RELATED
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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.