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 MANUALSCHEVROLET2007SILVERADO 1500 2WD V6-4.3LREPAIR AND DIAGNOSISBODY AND FRAMELOCKSTESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURESSCAN TOOL DATA DEFINITIONS
2007 Chevrolet Silverado 1500 2WD V6-4.3L
Scan Tool Data Definitions
2007 Chevrolet Silverado 1500 2WD V6-4.3LSECTION Scan Tool Data Definitions
Scan Tool Data Definitions
The Body Control Module (BCM) scan tool data definitions are a brief description of each of the vehicle access related parameters displayed within the scan tool data displays for the BCM.
Door Lock Requestor
- This parameter represents the door lock function responsible for a door lock activation.
Drvr. Door Unlock Cmd.
- When the BCM sends a driver door unlock command to the DDS the parameter will be On.
Left Rear Door Ajar Sw.
- This parameter indicates the current status of the door ajar switch input to the BCM.
Rear Doors Lock Cmd.
- This parameter indicates the commanded state of the rear door lock relay control circuit.
Rear Doors Unlock Cmd.
- This parameter indicates the commanded state of the rear door unlock relay control circuit.
Right Rear Door Ajar Sw.
- This parameter indicates the current status of the door ajar switch input to the BCM.
The Driver Door Switch (DDS) scan tool data definitions are a brief description of each of the vehicle access related parameters displayed within the scan tool data displays for the DDS.
Door Lock Actuator Cmd.
- This parameter indicates the commanded state of the door lock actuator control circuits.
Door Key Cyl. Unlock Switch
- This parameter indicates the current status of the door cylinder unlock switch.
Driver Door Ajar Sw.
- This parameter indicates the current status of the door ajar switch input to the DDS.
Driver Door Open Sw.
- This parameter indicates the current status of the door open switch input to the DDS.
The Passenger Door Switch (PDS) scan tool data definitions are a brief description of each of the vehicle access related parameters displayed within the scan tool data displays for the PDS.
Door Lock Actuator Cmd.
- This parameter indicates the commanded state of the door lock actuator control circuits.
Door Key Cyl. Unlock Switch
Passenger Door Ajar Sw.
- This parameter indicates the current status of the door ajar switch input to the PDS.
Passenger Door Open Sw.
- This parameter indicates the current status of the door open switch input to the PDS.
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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.