Scan Tool Data Definitions

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 an 8-digit part number. This number is the GM part number that is stored within the SDM memory.

Calibration ID

The scan tool displays a 4-digit number. This calibration ID is the check sum of the SDM read only memory contents.

Component Serial Number

The scan tool displays a 4-digit number. This number is the SDM serial number.

Driver Belt Status Changed This Ignition Cycle

The scan tool displays Yes or No. Driver seat belt has been buckled or unbuckled after the ignition is turned ON.

Driver Seat Belt Status

The scan tool displays Buckled or Unbuckled. The signal from the drivers seat belt switch indicates whether the driver seat is buckled or unbuckled.

Driver Side Impact Sensor ID

The scan tool displays a 2-digit ID number. The ID signal is sent to the SDM from the Driver SIS.

Electronic Front End Sensor ID

The scan tool displays a 2-digit ID number. The ID signal is sent to the SDM from the front end sensor.

Ignition Voltage

The scan tool displays 0-20 volts. The Ignition represents the system voltage measured by the SDM at its ignition feed.

Julian Date of Build

This displays the day of the year the module was built.

Passenger Side Impact Sensor ID

The scan tool displays a 2-digit ID number. The ID signal is sent to the SDM from the Passenger SIS.

ROM ID

The scan tool displays a 4-digit number. This number is the read-only memory (ROM) ID.

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 SDM part number and the VIN of the vehicle.

Year Module Built

The scan tool displays what year the module was built.