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 MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 446 (VEHICLE DIAGNOSTIC INFORMATION (1 OF 2))SPECIFICATIONSDOOR LOCK CONTROL MODULE SCAN TOOL INFORMATION (DRIVER DOOR SWITCH)
2008 Chevrolet Chevy Express G3500, Van Passenger Extended
Door Lock Control Module Scan Tool Information (Driver Door Switch)
2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Door Lock Control Module Scan Tool Information (Driver Door Switch)
WARNING: This page is about a different car, the 2009 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
Driver Door Switch Scan Tool Data Parameters
| Parameter | System State | Expected Value | Description |
|---|---|---|---|
| Operating Conditions: Ignition ON | |||
| Battery Voltage Signal | - | Varies | This displays Volts. This is the current battery voltage signal. |
| Door Lock Switch | - | Idle | The scan tool displays Idle, Lock, Unlock or Invalid. This is the state of the door lock switch. |
| Driver LF Window Switch | - | Idle | The scan tool displays Idle, Xpress Up/Down, Down, Xpress Down, Up or Express Up. This is the state of the driver left/front window switch. |
| Driver LR Window Switch | - | Idle | The scan tool displays Idle, Xpress Up/Down, Down, Xpress Down, Up or Express Up. This is the state of the driver left/rear window switch. |
| Driver RF Window Switch | - | Idle | The scan tool displays Idle, Xpress Up/Down, Down, Xpress Down, Up or Express Up. This is the state of the driver right/front window switch. |
| Driver RR Window Switch | - | Idle | The scan tool displays Idle, Xpress Up/Down, Down, Xpress Down, Up or Express Up. This is the state of the driver right/rear window switch. |
| Mirror Direction Switch | - | Idle | The scan tool displays Idle, Right & Down, Left & Down, Right, Right & Up, Down, Left & Up, Up and Left. This is the state of the mirror direction switch. |
| Mirror Fold Switch | - | Inactive | The scan tool displays Active or Inactive. This is the state of the mirror fold switch. |
| Mirror Select Switch | - | Off | The scan tool displays Off, Invalid, Driver or Passenger. This is the state of the mirror select switch. |
| Trunk Release Switch | - | Inactive | The scan tool displays Active or Inactive. This is the state of the trunk release switch. |
| Window Lockout Switch | - | Off | The scan tool displays On or Off. This is the state of the window lockout switch. |
| Window Lockout Switch Indicator | - | Inactive | The scan tool displays Active or Inactive. This is the state of the window lockout switch indicator. |
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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.