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For 1990-2009 cars only

Powertrain Control Module (PCM) - 2.6L (LY9) and 3.2L (LA3)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON/Engine Idling at normal operating temperature/Transmission in Park or Neutral/Cruise Control On/Off Switch Off

Battery Voltage

TAC Data

Volts

Varies

Clutch Start Switch (If Equipped)

TAC Data

Applied/Released

Released

Cruise Clutch Switch (If Equipped)

TAC Data

Applied/Released

Released

Cruise Engaged

TAC Data

No/Yes

No

Cruise On/Off Switch

TAC Data

On/Off

Off

Cruise Release Brake Pedal Switch

TAC Data

Applied/Released

Released

Cruise Resume/Accel. Switch

TAC Data

On/Off

Off

Cruise Set/Coast Switch

TAC Data

On/Off

Off

Cruise -- VSS Out of Range

TAC Data

No/Yes

Yes

Engine Speed

TAC Data

RPM

Varies

Extended Travel Brake Pedal Switch

TAC Data

Applied/Released

Released

Stoplamp Pedal Switch

TAC Data

Applied/Released

Released

Vehicle Speed

TAC Data

km/h (mph)

0 km/h (0 mph)

Powertrain Control Module (PCM) - 3.6L (LY7)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON/Engine Idling at normal operating temperature/Transmission in Park or Neutral/Cruise Control On/Off Switch Off

Cruise Control Active

Cruise/Traction Data

Yes/No

No

Cruise Disengage 1-8 History

Cruise/Traction Data

Last Reason for Cruise Control Disengagement

Varies

Cruise Inhibited

Cruise/Traction Data

Ok/Fault

Ok

Cruise Inhibit Reason

Cruise/Traction Data

Reason why the Cruise Control System is Inhibited

Varies

Cruise Resume/Accel. Switch

Cruise/Traction Data

On/Off

Off

Cruise Set/Coast Switch

Cruise/Traction Data

On/Off

Off

Engine Speed

Cruise/Traction Data

RPM

Varies

Initial Brake Apply Signal

Cruise/Traction Data

Applied/Released

Released

Stoplamp Pedal Switch

Cruise/Traction Data

Applied/Released

Released

Traction Control Status

Cruise/Traction Data

Active/Inactive

Inactive

Vehicle Speed Sensor

Cruise/Traction Data

km/h (mph)

0 km/h (0 mph)

Powertrain Control Module (PCM) - 5.7L (LS6)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON/Engine Idling at normal operating temperature/Transmission in Park or Neutral/Cruise Control On/Off Switch Off

Clutch Pedal Switch

Cruise Control Data

Applied/Released

Released

Cruise Control Active

Cruise Control Data

Yes/No

No

Cruise Disengage 1-8 History

Cruise Control Data

Last Reason for Cruise Control Disengagement

Varies

Cruise On/Off Switch

Cruise Control Data

On/Off

Off

Cruise Release Brake Pedal Switch

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

DTC Set This Ignition

Cruise Control Data

Yes/No

No

Engine Speed

Cruise Control Data

RPM

Varies

Ignition 1 Signal

Cruise Control Data

Volts

Varies

Reduced Engine Power

Cruise Control Data

Active/Inactive

Inactive

Stop Lamp Pedal Switch

Cruise Control Data

Applied/Released

Released

TAC/PCM Communication Signal

Cruise Control Data

Ok/Fault

Ok

Traction Control Signal

Cruise Control Data

Active/Inactive

Inactive

Vehicle Speed Sensor

Cruise Control Data

km/h (mph)

0 km/h (0 mph)