The SIR scan tool data definitions contain a brief description of all SIR related
parameters available on the scan tool. The parameters that are available on the scan
tool are listed below in alphabetical order.
8-Digit GM Part Number: The scan tool displays the GM part number
that is stored within the SDM memory.
Calibration ID: The scan tool displays the calibration ID, which
is the check sum of the SDM read only memory contents.
Component Serial Number: The scan tool displays the SDM component
serial number that is stored within the SDM.
Driver Side Belt Status: The scan tool displays whether the
driver seat belt is buckled or unbuckled.
Ignition Voltage: The scan tool displays 0-20 volts.
This is the system voltage measured by the SDM between the ignition input and ground.
Julian Date of Build: This number represents the day of the
year that the module was built.
Left SIS ID: The scan tool displays the driver SIS ID that is
sent to the SDM when the ignition is turned ON.
PROM ID: The scan tool displays the programmable read-only memory
(PROM) ID.
Right SIS ID: The scan tool displays whether the passenger SIS
ID that is sent to the SDM when ignition is turned ON.
VIN Information: The scan tool displays a list. The Body Control
Module (BCM) is programmed in the assembly plant with the last four digits of the
SDM part number and the VIN of the vehicle.
Year Module Built: The scan tool displays what year
the module was built.