For 1990-2009 cars
8 Digit GM Part Number: The scan tool displays the eight digit part number of the BCM.
Battery Voltage: The scan tool displays 9.0-15.0 volts. The state of the battery voltage supplied to the module selected.
Calibration ID: The scan tool displays the calibration or program revision level used in the PROM of the BCM.
Component Serial Number 8-11: The scan tool displays digits eight through eleven of the BCM serial number.
Component Serial Number 12: The scan tool displays the twelfth digit of the BCM serial number.
Component Serial Number 13-16: The scan tool displays digits thirteen through sixteen of the BCM serial number.
Component Serial Number 17-18: The scan tool displays digits seventeen and eighteen of the BCM serial number.
Door Jamb Switch: The scan tool displays On/Off. The door jamb switch input to the BCM, where an open door is displayed as On.
Door Lock Counter: The scan tool displays Counts. The BCM displays the numerical counts.
Door Lock Output: The scan tool displays On/Off. The BCM output to the door lock actuators, where Lock is displayed as On.
Door Lock Switch: The scan tool displays Lock/Unlock/Idle. The LF and RF door switch inputs to the BCM, where a switch transition to the Lock position is displayed as Lock, a switch transition to the Unlock position is displayed as Unlock and the switch normal state is displayed as Idle.
Door Unlock Output: The scan tool displays On/Off. The BCM output to the passenger door lock actuators, where Unlock is displayed as On.
Driver Door Switch: The scan tool displays Open/Closed. The driver door switch input to the MSM, where an open door is displayed as Open.
Driver Unlock Output: The scan tool displays On/Off. The BCM output to the driver door lock actuator, where Unlock is displayed as On.
D. Mirror Hor. Position: The scan tool displays 0-100%. The driver mirror horizontal position feedback to the MSM.
D. Mirror Horr. Position: The scan tool displays 0.16-4.60 volts. The driver mirror horizontal position sensor feedback voltage to the MSM.
D. Mirror Hor. Motor: The scan tool displays Active/Inactive. The driver mirror horizontal motor input to the MSM, where horizontal mirror movement is displayed as Active.
D. Mirror Ver. Position: The scan tool displays 0-100%. The driver mirror vertical position feedback to the MSM.
D. Mirror Ver. Position: The scan tool displays 0.16-4.60 volts. The driver mirror vertical position sensor feedback voltage to the MSM.
D. Mirror Ver. Motor: The scan tool displays Active/Inactive. The driver mirror vertical motor input to the MSM, where vertical mirror movement is displayed as Active.
Julian Date of Build: The scan tool displays a four digit number representing the day of the year the BCM was built.
Mirror Circuit Status: The scan tool displays Okay/Inhibit. The mirror motor circuit status, where MSM disabling of the mirror circuits is displayed as Inhibit.
Park Position Input: The scan tool displays On/Off. The automatic transmission shift lock control switch input to the BCM, where the transmission shift lever in the Park position is displayed as On.
PROM ID: The scan tool displays the four digit number of the PROM incorporated into the BCM.
P. Mirror Hor. Position: The scan tool displays 0-100%. The passenger mirror horizontal position feedback to the MSM.
P. Mirror Horr. Position: The scan tool displays 0.16-4.60 volts. The passenger mirror horizontal position sensor feedback voltage to the MSM.
P. Mirror Hor. Motor: The scan tool displays Active/Inactive. The passenger mirror horizontal motor input to the MSM, where horizontal mirror movement is displayed as Active.
P. Mirror Ver. Position: The scan tool displays 0-100 %. The passenger mirror vertical position feedback to the MSM.
P. Mirror Ver. Position: The scan tool displays 0.16-4.60 volts. The passenger mirror vertical position sensor feedback voltage to the MSM.
P. Mirror Ver. Motor: The scan tool displays Active/Inactive. The passenger mirror vertical motor input to the MSM, where vertical mirror movement is displayed as Active.
Run/Crank: The scan tool displays On/Off. The ignition switch input to the BCM, where the switch in the Run or Crank position is displayed as On.
Year Module Built: The scan tool displays the four digit year of build of the BCM.