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.
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HOMESERVICE MANUALSGMC2004ENVOY 2WD L6-4.2L VIN SREPAIR AND DIAGNOSISCRUISE CONTROLTECHNICAL SERVICE BULLETINSCRUISE CONTROL - INCREASING SET SPEED
2004 GMC Envoy 2WD L6-4.2L VIN S
Cruise Control - Increasing Set Speed
2004 GMC Envoy 2WD L6-4.2L VIN SSECTION Cruise Control - Increasing Set Speed
File In Section: 08 - Body and Accessories
Bulletin No.: 04-08-68-002
Date: September, 2004
INFORMATION
Subject:
Cruise Control Operation - Increasing Set Speed
Models:
2004-2005 Passenger Cars and Light Duty Trucks
This bulletin is being issued to provide dealers with additional information on the increasing set speed function during cruise control operation. The vehicle's Owner's Manual states that the accelerator pedal may be used to increase speed and then establish a new set speed by engaging the set button again. This is true, but the increased speed must be greater than the minimum speed calibrated in the PCM. Minimum speed calibrations vary for each model, depending on which module manufacturer the vehicle is equipped with.
If a customer comes in with a comment that the set button is intermittently inoperative when using it to establish a new set speed, this may be due to the speed increase not being enough. To verify system operation, compare the increased set speed function to another like vehicle. If the operation is similar, then no further work should be performed. If the vehicle does have a condition, then follow diagnostics in Service Information for cruise control set speed operation. The tap up feature for cruise control still will increase vehicle set speed.
Disclaimer
Bulletin No.: 04-08-68-002
Date: September, 2004
INFORMATION
Subject:
Cruise Control Operation - Increasing Set Speed
Models:
2004-2005 Passenger Cars and Light Duty Trucks
This bulletin is being issued to provide dealers with additional information on the increasing set speed function during cruise control operation. The vehicle's Owner's Manual states that the accelerator pedal may be used to increase speed and then establish a new set speed by engaging the set button again. This is true, but the increased speed must be greater than the minimum speed calibrated in the PCM. Minimum speed calibrations vary for each model, depending on which module manufacturer the vehicle is equipped with.
If a customer comes in with a comment that the set button is intermittently inoperative when using it to establish a new set speed, this may be due to the speed increase not being enough. To verify system operation, compare the increased set speed function to another like vehicle. If the operation is similar, then no further work should be performed. If the vehicle does have a condition, then follow diagnostics in Service Information for cruise control set speed operation. The tap up feature for cruise control still will increase vehicle set speed.
Disclaimer
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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.