GM Service Manual Online
For 1990-2009 cars only

Powertrain Control Module (PCM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions:

Key ON, Engine OFF, Transmission in Park

Cruise Control Active

Engine Data 1

Yes/No

No

TCC Brake Pedal Switch

Engine Data 1

Engine Data 2

Applied/Released

Released