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 MANUALSCHEVROLET2005CHEVY EXPRESS G3500, VAN PASSENGER, LQ4REPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEEXTERIOR BODY PANELSBODY REAR ENDDIAGNOSTIC INFORMATION AND PROCEDURESSCAN TOOL OUTPUT CONTROLS
2005 Chevrolet Chevy Express G3500, Van Passenger, LQ4
Scan Tool Output Controls
2005 Chevrolet Chevy Express G3500, Van Passenger, LQ4SECTION Scan Tool Output Controls
Body Control Module
| Scan Tool Output Control | Additional Menu Selection(s) | Description |
|---|---|---|
| Panel Test | Left Side Front Access Panel | The body control module (BCM) energizes the access panel relay when you select ON. Access Panel should release. |
| Panel Test | Left Side Rear Access Panel | The BCM energizes the access panel relay when you select ON. Access Panel should release. |
| Panel Test | Right Side Rear Access Panel | The BCM energizes the access panel relay when you select ON. Access Panel should release. |
RENDER: 1.0x
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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.