GM Service Manual Online
For 1990-2009 cars only

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

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

APP Indicated Angle

Cruise Control

Percentage

Varies

Cruise Control Active

Cruise Control

Yes/No

No

Cruise Disengage History 1-6

Cruise Control

--

--

Cruise On/OFF Switch

Cruise Control

On/Off

Off

Cruise Resume/Accel Switch

Cruise Control

On/Off

Off

Cruise Release Brake Pedal Switch

Cruise Control

Applied/Released

Released

Cruise Set/Coast Switch

Cruise Control

On/Off

Off

Engine Load

Cruise Control

Percentage

Varies

Engine Run Time

Cruise Control

--

Increments

Engine Speed

Cruise Control

RPM

500-600

Ignition 1 Signal

Cruise Control

Voltage

12-15V

Reduced Engine Power

Cruise Control

Active/Inactive

Inactive

Stop Lamp Pedal Switch

Cruise Control

Applied/Released

Released

TCC Enable Solenoid Command

Cruise Control

Enabled/Disabled

Disabled

TP Desired Angle

Cruise Control

Percentage

3-10%

TP Indicated Angle

Cruise Control

Percentage

3-9%

TR Switch

Cruise Control

Transmission Gear Selector Position

Park

Traction Control Signal

Cruise Control

Active/Inactive

Inactive

Vehicle Speed Signal

Cruise Control

km/h-mph

0-mph