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 MANUALSCHEVROLET2006SUBURBAN K2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1937 (POWER STEERING SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2006 Chevrolet Suburban K2500, 6.0 U
Diagnostic Code Index
2006 Chevrolet Suburban K2500, 6.0 USECTION Diagnostic Code Index
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC C0176 | DTC C0176 54 System Thermal Error Temperature High |
| DTC C0460 | DTC C0460 00 Steering Position Sensor |
| DTC C0475 | DTC C0475 00 Electric Steering Motor Circuit |
| DTC C0545 | DTC C0545 00 Steering Wheel Torque Input Sensor |
| DTC C0561 | DTC C0561 71 System Disabled Information Stored Invalid Serial Data Received DTC C0561 76 System Disabled Information Stored Below Allowable Range |
| DTC C056D | DTC C056D 39 ECU Hardware Performance Internal Electronic Failure |
| DTC C056E | DTC C056E 42 ECU Hardware Performance Calibration Data Set Not Programmed DTC C056E 4B ECU Software Performance Calibration Not Learned |
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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.