Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2007 Chevrolet Colorado 2WD L4-2.9LFACTORY OEM SERVICE PROCEDURE
Scan Tool Data Definitions (Cruise Control)
Scan Tool Data Definitions (Cruise Control)
The Scan Tool Data Definitions contains a brief description of all cruise control related parameters available on the scan tool.
Cruise Control Active
- The scan tool displays Yes or No. The powertrain control module (PCM) determines the current status of cruise control operation. An active cruise control system is displayed as Yes.
Cruise Disengage (1 - 8) History
- The scan tool displays the last 8 reasons why the cruise control system was disengaged. Refer to the Scan Tool Data Definitions (Disengaged History) for descriptions. Scan Tool Data Definitions (Disengage History)
Cruise On/Off Switch
- The scan tool displays On or Off. The PCM monitors the cruise control set/coast and resume/accelerate switch signal circuit. A closed switch is displayed as On.
Cruise Release Clutch/TCC Pedal Switches
- The scan tool displays Applied or Released. The PCM monitors the signal circuit of the torque converter clutch (TCC)/cruise control release switch. A closed switch is displayed as Released.
Cruise Resume/Accel. Switch
- The scan tool displays On or Off. The PCM monitors the cruise control set/coast and resume/accelerate switch signal circuit. A closed switch is displayed as On.
Cruise Set/Coast Switch
- The scan tool displays On or Off. The PCM monitors the cruise control set/coast and resume/accelerate switch signal circuit. A closed switch is displayed as On. The cruise control On/Off switch must be switched On in order to correctly view the Cruise Set/Coast Switch parameter.
Engine Speed
- The scan tool displays 0 to 9,999 RPM. The PCM monitors the crankshaft position (CKP) signal circuit in order to determine the engine RPM.
Ignition 1 Signal
- The scan tool displays 6 Volts to 18 Volts. The PCM monitors the Ignition 1 signal circuit in order to determine the system voltage.
Reduced Engine Power
- The scan tool displays Active or Inactive. When the PCM detects that an overheated engine condition exists, the scan tool displays Active.
Traction Control Signal
- The scan tool displays Active or Inactive. When the PCM detects that the traction control is active, the scan tool displays Active.
Vehicle Speed Sensor
- The scan tool displays 0 to 150 km/h (93.2 mph). The PCM monitors the vehicle speed sensor signal circuit in order to calculate the vehicle speed for display.
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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