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.

Battery Voltage- The scan tool displays Volts. The status of the battery voltage.

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

Commanded Generator- The scan tool displays Off until the key is placed into the CRANK position then it displays On.

Commanded Starter- The scan tool displays Disabled until the key is placed into the CRANK position then it reads Enabled.

Component Serial # 8-11- The scan tool displays 0-999. The internal serial code of the module.

Component Serial # 13-1- The scan tool displays 0-999. The internal serial code of the module.

Component Serial # 17-1- The scan tool displays 0-999. The internal serial code of the module.

Generator PWR- The scan tool displays a percentage. The percent of time the generator is producing power.

Ignition 0- The scan tool displays Volts. The voltage of ignition 0 circuit at the module.

Ignition 1- The scan tool displays Volts. The voltage of ignition 1 circuit at the module.

Ignition 3- The scan tool displays Volts. The voltage of ignition 3 circuit at the module.

Ignition Voltage- The scan tool displays Volts. The status of the ignition voltage.

Jullian 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.

Voltage Lamp- The scan tool displays On when the IPC receives a signal from the PCM to turn the lamp On.

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