GM Service Manual Online
For 1990-2009 cars only
8 Digit GM Part Number: The scan tool displays the 8 Digit GM Part Number. The scan tool displays the part number of the control module .

Auto Learn Timer: The scan tool displays 0-2550 seconds. The scan tool displays the current state of the Auto. Learn Timer, which must time out three times in order for the relearn procedure to be complete.

Calibration ID: The scan tool displays the Calibration ID. Display indicates the calibration ID of the theft deterrent control module.

Ignition Counter: The scan tool displays 0-99. The module counts each time the ignition is cycled from ON to OFF.

Julian Date of Build: The scan tool displays the Julian Date of Build. Display indicates the date the module was built.

Manufactures Enable Counter: The scan tool displays 0-255. The Manufactures Enable Counter is cleared prior to leaving the assembly plant. This data value is for use at the assembly plant only.

No. of Learned Key Codes: The scan tool displays 1-10. The scan tool displays the number of transponder values learned by the theft deterrent control module.

PCM/VCM in VTD Fail Enable: The scan tool displays Yes/No. The scan tool displays Yes when the PCM is in fail enable. This indicates a failure occurred in the VTD system.

PROM ID: The scan tool displays the PROM ID. The scan tool displays the 4 digit internal PROM ID of the module.

Security Lamp Status: The scan tool displays On/Off. The scan tool displays the current state of the security indicator as commanded by the VTD system.

Seed and Key Timer: The scan tool displays 0-2550 seconds, The scan tool displays the current state of the Seed and Key Timer, which must time out in order for the relearn procedure to be complete.

Starter Relay Status: The scan tool displays On/Off. The scan tool will display On when the ignition is in the crank position and the PCM has received a correct password from the theft deterrent control module.

VTD Auto. Learn Timer: The scan tool displays Active/Inactive. The scan tool displays the current state of the Auto. Learn Timer, which must time out three times in order for the relearn procedure to be complete.

VTD Fuel Disable: The scan tool displays Active/Inactive. The scan tool displays Active when the PCM has received a disable password from the VTD system.

VTD Fuel Disable Until Ign. Off: The scan tool displays Yes/No. The scan tool displays Yes when the PCM has received the fuel disable password from the VTD system. This indicates the PCM will not allow fuel delivery until the ignition is switched off prior to another start attempt.

VTD Status: The scan tool displays Ignition Off/Monitor Key. The scan tool displays Monitor Key when the ignition in ON and the theft deterrent control module is monitoring the key transponder value.

Year Module Built: The scan tool displays the year the module was built.