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 193 (GENERATORS & REGULATORS)SELF-DIAGNOSTIC SYSTEMRETRIEVING/CLEARING DIAGNOSTIC TROUBLE CODESUSING SCAN TOOL
2006 Chevrolet Suburban K2500, 6.0 U
Using Scan Tool
2006 Chevrolet Suburban K2500, 6.0 USECTION Using Scan Tool
WARNING: This page is about a different car, the 2004 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
- Connect the Worldwide Diagnostic System (WDS) or equivalent scan tool to the vehicle DLC-2 16-pin connector located in the driver compartment. See Fig 1.
- Retrieve/clear the DTCs using the WDS. If any DTC are retrieved, perform appropriate diagnostic test. See DIAGNOSTIC TROUBLE CODE DEFINITIONS in SELF-DIAGNOSTICS article in ENGINE PERFORMANCE. If no DTCs are present, perform appropriate test under SYSTEM TESTS or ON-VEHICLE TESTS .
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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.