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 MANUALSCHEVROLET2009UPLANDER LT, 3.9 MREPAIR AND DIAGNOSISSUSPENSIONELECTRONIC SUSPENSIONAUTOMATIC LEVEL CONTROLDIAGNOSTIC INFORMATION AND PROCEDURESDTC 013CIRCUIT/SYSTEM VERIFICATION
2009 Chevrolet Uplander LT, 3.9 M
Circuit/System Verification
2009 Chevrolet Uplander LT, 3.9 MSECTION Circuit/System Verification
- Verify that the DTC sets within the Conditions for Running and Setting. Inspect the automatic level control sensor link for damage or being disconnected.
- Perform the automatic level control sensor replacement procedure.
- Operate the vehicle within the conditions that the customer experienced and verify the DTC does not reset.
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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.