GM Service Manual Online
For 1990-2009 cars only

8 Digit GM Part Number- The scan tool displays an 8 digit alphanumeric number. The part number of the module.

Calibration ID- The scan tool displays 0-9999. The number designating what calibrations the module contains.

Component Serial # 8-11- The scan tool displays 0-9. The internal serial code of the module.

Component Serial # 13-1- The scan tool displays 0-9. The internal serial code of the module.

Component Serial # 17-1- The scan tool displays 0-9. The internal serial code of the module.

Julian Date of Build- The scan tool displays 0-999. The month and year that the module was built.

PROM ID- The scan tool displays 0-9999. The identification number of the module internal PROM.

Trunk Ajar Switch- The scan tool displays Yes or No. The status of the Trunk Ajar Switch.

Trunk Release Switch- The scan tool displays Yes or No. The status of the Trunk Release Switch.

Trunk Release Output- The scan tool displays Active or Inactive. The status of the output to the trunk release actuator.

Year Module Built- The scan tool displays a 1990-2020. The production year the module was manufactured.