GMC Envoy - Popular Questions, Answers, Tips & Manuals - Page 6
I have a 200 envoy I did the front alignment it was fine and now the alignment is off
If the alignment keeps drifting out there is an issue with the suspension. Have the suspension bushes, ball joints and wheel bearings checked. If any of these are worn it can throw out your alignment.
Are you getting any other issues? Things like vague steering, grumbling noises as you accelerate, vibration through the pedals or steering wheel, 'clonks' when hitting potholes? These are all clues to what the issue is.
How to reset security system for 2002 GM C envoy
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How to recalibrate the liftgate module to open the lifegte eitherway on 2005 gmc envoy xuv
not sure if this is what you're looking for but hope it helps..
Important: The driver information center (DIC) will display the message See Manual - Tailgate anytime a learn is required except after the installation of a new regulator. When a module is not learned, or in a window fault state, only the window remains functional.
1.Activate the window up switch using the key cylinder or overhead console switch and maintain switch activation for 2 seconds after the window has stalled in the fully closed position.
WARNING
Important: The window may be in any position to start the re-learn, but the up operation must be performed first.
2.Activate the window down switch and maintain switch activation for 2 seconds after the window has stalled in the fully open position.
What CO131 and CO196 and U1000 2008 GMC ENVOY
DTC Descriptor
DTC C0131 00: ABS Pressure Circuit No Additional Information
Circuit/System Description
The electronic brake control module (EBCM) uses input from the brake pressure sensor for more accurate control during a Vehicle Stability Enhancement System (VSES) event.
Conditions for Setting the DTC
• Brake signal does not correlate to pressure signal.
• Signal is erratic and changes faster than physically allowed.
Action Taken When the DTC Sets
• The Traction Control indicator turns ON.
• The driver information center (DIC) displays the Service Stability System message.
Circuit/System Testing
Apply and release brake pedal. Verify brake lamps operate properly.
? If brake lamps do not operate properly, refer to Symptoms - Lighting Systems .
Replace EBCM/brake pressure modulator valve (BPMV) assembly.
DTC C0196 00: Yaw Rate Circuit No Additional Information
Circuit/System Description
The vehicle stability enhancement system (VSES) is activated by the electronic brake control module (EBCM) calculating the desired yaw rate and comparing it to the actual yaw rate input. The desired yaw rate is calculated from measured steering wheel position, vehicle speed, and lateral acceleration. The difference between the desired yaw rate and actual yaw rate is the yaw rate error, which is a measurement of oversteer or understeer. If the yaw rate error becomes too large, the EBCM will attempt to correct the vehicle yaw motion by applying differential braking to the wheels.
DTC U1000: Class 2 Data Link
Modules connected to the class 2 serial data circuit monitor for serial data communications during normal vehicle operation. Operating information and commands are exchanged among the modules. When a module receives a message for a critical operating parameter, the module records the identification number of the module which sent the message for state of health (SOH) monitoring. A critical operating parameter is one which, when not received, requires that the module use a default value for that parameter. When a module does not associate an identification number with at least one critical parameter within about 5 seconds of beginning serial data communication, DTC U1000 or U1255 is set. If more than one critical parameter does not have an identification number association, the DTC will only be reported once.
Curb assist option
Mirror Tilt in Reverse Controls
This feature is capable of tilting the passenger side power mirror when the transmission is placed in reverse to provide enhanced visibility during parking or backing maneuvers. This feature is turned OFF or ON through the DIC. The passenger mirror on domestic vehicles can not be changed from the factory setting, but on export vehicles, the passenger mirror position may by changed using the same procedure as the driver mirror. For further information, refer to Driver Personalization in Personalization.
Tilt Mirror In Reverse
Continue with the following steps in order to personalize the tilt mirror in reverse.
Press the Select button in order to enter the menu. The first choice seen is the current setting.
Press the Select button in order to scroll through the following options:
• CURB VIEW: OFF (Default)
• CURB VIEW: PASSENGER
Press the Personalization button in order to advance to the next option.
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