GM Service Manual Online
For 1990-2009 cars only

Body Control Module

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition On/Engine Off/Transmission in Park or Neutral/Cruise Control On/Off switch Off

Cruise Control Switch

Cruise Control Data

Off / On / Cancel / Resume / Set / Error

Off

Engine Control Module

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

BPP Circuit Signal

Cruise / PTO / Traction Data

Applied / Released

Released

BPP Signal

Cruise / PTO / Traction Data

Applied / Released / Invalid

Released

Cruise Cancel Switch

Cruise / PTO / Traction Data

Active / Inactive / Invalid

Inactive

Cruise Control Active

Cruise / PTO / Traction Data

Yes/No

No

Cruise Disengage 1-8 History

Cruise / PTO / Traction Data

The last reason for cruise control disengagement

Varies

Cruise On/Off Switch

Cruise / PTO / Traction Data

On/Off

Off

Cruise Resume/Accel. Switch

Cruise / PTO / Traction Data

Active / Inactive / Invalid

Inactive

Cruise Set/Coast Switch

Cruise / PTO / Traction Data

Active / Inactive / Invalid

Inactive

Engine Speed

Cruise / PTO / Traction Data

RPM

Varies

Ignition 1 Signal

Cruise / PTO / Traction Data

Volts

Varies

Vehicle Speed Sensor

Cruise / PTO / Traction Data

km/h (mph)

0 km/h (0 mph)