Scan Tool Data Definitions

Scan Tool Data Definitions
ATC Calibration Part Number: The scan tool displays a numeric value. This parameter indicates the part number assigned to the current version of calibrations used in the ATC module.
ATC Hardware Part Number: The scan tool displays a numeric value. This parameter indicates the part number assigned to the module, excluding the software and calibrations.
ATC Julian Date: The scan tool displays a numeric value. This parameter indicates the production date of the ATC module.
ATC Part Number: The scan tool displays a numeric value. This parameter indicates the GM part number assigned to the module package, module, software, and calibrations.
ATC Slip Speed: The scan tool displays a range of 0-8,192 RPM. This parameter indicates the RPM difference between the front and rear propshafts.
ATC Software Part Number: The scan tool displays a numeric value. This parameter indicates the part number assigned to the current version of software used in the ATC module.
Battery Voltage: The scan tool displays a range of 0-25.5 volts. This parameter indicates the voltage measured by the transfer case shift control module at its battery feed.
Clutch Pedal Engaged: The scan tool displays YES or NO. This parameter indicates whether or not the clutch pedal is engaged.
Current Slip Adapts: The scan tool displays a numeric value. This parameter indicates corrective adjustments made by the transfer case shift control module for wheel slip events.
Front Propshaft Speed: The scan tool displays a range of 0-8,192 RPM. This parameter indicates the rotational speed of the front propshaft.
Ignition Cycles Since Last Current DTC: The scan tool displays a numeric value. This parameter indicates how many ignition cycles have occurred since last current DTC was set.
Rear Propshaft Speed: The scan tool displays a range of 0-8,192 RPM. This parameter indicates the rotational speed of the rear propshaft.
Service 4WD Lamp: The scan tool displays ON or OFF. This parameter indicates if the Service 4WD Lamp is being commanded by the transfer case shift control module.
Slip Adapt PWM: The scan tool displays a range of 0-100 percent. This parameter indicates the Duty Cycle applied to the ATC motor.
Total Slippage: The scan tool displays a range of 0-8,192 RPM. This parameter indicates the total slippage of both the front and rear propshafts.