GM Service Manual Online
For 1990-2009 cars only

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON/Engine OFF

ALC Compressor

Outputs

Yes/No

No

ALC Exhaust Solenoid

Outputs

Yes/No

No

Battery Voltage Signal

Inputs

Volts

10-16 Volts

DSP Software Version

Module Information

Varies

Varies

EEPROM Calibration

Module Information

Varies

Varies

GM Part Number

Module Information

Varies

Varies

GMSCM Software Version

Module Information

Varies

Varies