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 DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTANTI-THEFT SYSTEMSVEHICLE ACCESSDIAGNOSTIC INFORMATION AND PROCEDURESPOWER SLIDING DOOR (PSD) INOPERATIVE FROM ONE SWITCHCIRCUIT/SYSTEM VERIFICATION
2009 Chevrolet Uplander LT, 3.9 M
Circuit/System Verification
2009 Chevrolet Uplander LT, 3.9 MSECTION Circuit/System Verification
- Ignition ON, observe the scan tool PSD Front Control Switch parameters while pressing and releasing the appropriate door open/close switch in the overhead console. The parameters should change between Active and Inactive.
- If the parameters do not change, refer to Overhead Console Multifunction Switch Malfunction below.
- Observe the scan tool PSD System Enable Switch parameters while pressing and depressing the door enable/disable switch in the overhead console. The parameters should change between On and Off.
- If the parameters do not change, refer to Overhead Console Multifunction Switch Malfunction below.
- Observe the scan tool PSD Rear Control Switch parameters while pressing and releasing the appropriate B-pillar sliding door open/close switch. The parameters should change between Active and Inactive.
- If the parameters do not change, refer to B-pillar Switch Malfunction below.
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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.