GM Service Manual Online
For 1990-2009 cars only

PCM Scan Tool Data List

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Engine Idling/Radiator Hose Hot/Closed Throttle/Park or Neutral/Closed Loop/No Switches Turned On

APP Indicated Angle

Cruise Control Data

Percentage

Varies

Cruise Control Active

Cruise Control Data

Yes/No

No

Cruise Disengage History

Cruise Control Data

1 through 8

last reason for disengagement

Cruise On/Off Switch

Cruise Control Data

On/Off

Off

Cruise Release Clutch/TCC Pedal Switches

Cruise Control Data

Applied/Released

Released

Cruise Resume/Accel. Switch

Cruise Control Data

On/Off

Off

Cruise Set/Coast Switch

Cruise Control Data

On/Off

Off

Engine Load

Cruise Control Data

Percentage

Varies

Engine Speed

Cruise Control Data

RPM

Varies

Engine Run Time

Cruise Control Data

Range

Varies

Ignition 1 signal

Cruise Control Data

Voltage

11-16

Reduced Engine Power

Cruise Control Data

Active/Inactive

Inactive

TCC Enable Solenoid Command

Cruise Control Data

On/Off

Off

TP Desired Angle

Cruise Control Data

Percent

3-10%

TP Indicated Angle

Cruise Control Data

Percent

3-9%

Traction Control Signal

Cruise Control Data

Active/Inactive

Inactive

TR Sw.

Cruise Control Data

Transmission Gear Selector Position

P

Vehicle Speed Sensor

Cruise Control Data

km/h (mph)

0 km/h (0 mph)