GM Service Manual Online
For 1990-2009 cars only

Powertrain Control Module (PCM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Engine Idling/Radiator Hose Hot/Closed Throttle/Park or Neutral/Closed Loop

Cruise Inhibited

Engine 3

Yes/No

Yes

Cruise Requested

Engine 3

Yes/No

No