Scan Tool Data Definitions

WARNING: This page is about a different car, the 2006 GMC Sierra, 2006 GMC Cab & Chassis Sierra, 2006 Chevrolet Silverado, and 2006 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Battery Voltage: The scan tool displays 0.0-16.0 volts. The battery voltage input represents the system voltage measured at the BCM ignition feed input.
(Driver/Passenger) Door Ajar Switch (w/o DDM or w/o PDM)): Input from the respecting door indicating door status.
Ignition Accessory: Input from ignition switch Accessory circuit. Used to determine power mode. Hot in ACC and ON.
Ignition 0: Input to the control module from the ignition switch indicating the Ignition 0 position. Switch closed (HOT) in ignition switch positions UNLOCK, ACC, ON, and START
Ignition 1: Input to the control module from the ignition switch indicating the Ignition 1 position. Switch closed (HOT) in ignition switch positions ON and START.
Key in Ignition: Input from ignition switch indicating that the ignition key is inserted into the ignition switch. HOT with key in ignition switch.
Julian Date of Build: The day of the year when module was built.
Left Rear/Rear Cargo Door Ajar Switch: Input from the left rear/rear cargo door showing the state of it.
Right Rear Door Ajar Sw.: Input from the right rear door showing the state of it.
SWC Switch Power: Indicates the state of the supply voltage to the steering wheel controls supply voltage.
SWC Switch Voltage: Indicates the steering wheel controls supply voltage.
Year Module Built: The year when module was built.
8 Digit GM Part Number: The module's part number.