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 MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2012 (POWER DOOR LOCK SYSTEM AND RELEASE SYSTEMS)DIAGNOSTIC INFORMATION AND PROCEDURESLIFTGATE/LIFTGATE WINDOW AJAR INDICATOR MALFUNCTION (POWER LIFTGATE)CIRCUIT/SYSTEM VERIFICATION
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2
Circuit/System Verification
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Circuit/System Verification
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- Ignition ON, observe the scan tool Liftgate Ajar Switch parameter while opening and closing the liftglass. The value should change between Active and Inactive.
- If the value does not change, refer to the Liftglass Ajar Switch. Malfunction below.
- Observe the scan tool LGM Latch Ratchet Sw. parameter while opening and closing liftgate. The parameter should change between Active and Inactive.
- If the value does not change, refer to the Liftgate Latch Assembly 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.