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 G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1786 (VEHICLE DIAGNOSTIC INFORMATION (1 OF 2))SPECIFICATIONSDOOR LOCK CONTROL MODULE SCAN TOOL INFORMATION (DRIVER DOOR MODULE)
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6
Door Lock Control Module Scan Tool Information (Driver Door Module)
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Door Lock Control Module Scan Tool Information (Driver Door Module)
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 Module 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. |
| Deadbolt Actuator Command | - | Idle | The scan tool displays Idle, Lock, Unlock or Invalid. This is the state of the deadbolt actuator. |
| Door Ajar Switch | - | Door Closed | The scan tool displays Door Ajar or Door Closed. This is the state of the door ajar switch. |
| Door Open Switch | - | Closed | The scan tool displays Open or Closed. This is the state of the door open switch. |
| Door Cylinder Switch | - | Idle | The scan tool displays Idle, Lock, Unlock or Invalid. This is the state of the door cylinder switch. |
| Door Switch Backlight Command | - | Varies | This displays %. This is the commanded door switch backlighting dimming percentage. |
| Driver Door Handle | - | Inactive | The scan tool displays Active or Inactive. This is the state of the driver door handle. |
| Driver Mirror Heater | - | Inactive | The scan tool displays Active or Inactive. This is the state of the driver mirror heater. |
| Driver Mirror Horizontal Position | - | Varies | This displays Volts. This is the current driver mirror horizontal position measured in volts. |
| Driver Mirror Motors Command | - | Idle | The scan tool displays Idle, Fold Out, Fold In, Left, Right, Down or Up. This is the commanded state of the driver mirror motors. |
| Driver Mirror Vertical Position | - | Varies | This displays Volts. This is the current driver mirror vertical position measured in volts. |
| Exterior Courtesy Lamp Command | - | Varies | This displays %. This is the commanded exterior courtesy lamps dimming percentage. |
| Exterior Courtesy Lamp Status | - | Off | The scan tool displays On or Off. This is the state of the exterior courtesy lamps. |
| LF Latch Solenoid Command | - | Inactive | The scan tool displays Active or Inactive. This is the state of the driver front latch solenoid. |
| Lock Indicator Command | - | Varies | This displays %. |
| Lock Switch Indicator Command | - | Off | The scan tool displays On or Off. This is the state of the lock switch indicator. |
| VIN Learned | - | Yes | The scan tool displays Yes or No. Yes is displayed if the vehicle identification number (VIN) is learned. |
| VIN Message Received | - | Yes | The scan tool displays Yes or No. Yes is displayed if the vehicle identification number (VIN) message is received. |
| Window Motor Command | - | Idle | The scan tool displays Idle, Up, Down or Active. This is the commanded state of the window motor. |
| Window Normalization | - | Varies | The scan tool displays Yes or No. |
Driver Door Module Scan Tool Output Controls
| Output Control | Description |
|---|---|
| Disable DTC(s) | This output control is used to disable DTCs in the module. |
| Door Deadbolt Lock/Unlock | This output control is used to command the door deadbolt. |
| Door Switch Backlight | This output control is used to command the door switch backlighting. |
| Driver Mirror Horizontal Motor | This output control is used to command the driver mirror horizontal motor. |
| Driver Mirror Vertical Motor | This output control is used to command the driver mirror vertical motor. |
| Driver Window Motor | This output control is used to command the driver window motor. |
| Exterior Courtesy Lamp | This output control is used to command the exterior courtesy lamps. |
| LF Latch Solenoid | This output control is used to command the driver front latch solenoid. |
| Lock Switch Indicator | This output control is used to command the lock switch indicator ON or OFF. |
| Mirror Fold | This output control is used to command the mirror fold. |
| Mirror Heater | This output control is used to command the mirror heater ON or OFF. |
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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.