2008 GMC Envoy

Owner complaints

What owners report most

1. Electrical system18
2. Exterior lighting17
3. Electronic stability control (esc)12
4. Engine and engine cooling8
5. Suspension7
6. Air bags5
7. Power train5
8. Seat belts5
9. Unknown or other5
10. Engine4

Latest complaints

• Jul 2, 2026MI138,735 mi
  Seat belts
  The contact owns a 2008 GMC Envoy. The contact stated that while the vehicle was parked on several occasions with the driver's side seat belt latched, while attempting to release the seat belt, the seat belt remained locked in the buckle. The contact depressed the release button and wiggled the…

  The contact owns a 2008 GMC Envoy. The contact stated that while the vehicle was parked on several occasions with the driver's side seat belt latched, while attempting to release the seat belt, the seat belt remained locked in the buckle. The contact depressed the release button and wiggled the seat belt several times before the seat belt released. On one occasion while the passenger’s seat was occupied, the seat belt failed to release while depressing the seat belt release button. The contact exited the driver's seat and attempted to assist the passenger to release the seat belt; however, the seat belt tightened around the abdomen. The contact stated that a bystander attempted to assist, but the seat belt failed to release and became tighter around passenger’s abdomen. The contact used a pair of scissors to cut the seat belt webbing to release the passenger. The contact was unable to remove the seat belt even after cutting the webbing. The passenger was not injured and did not receive medical attention. The vehicle was taken to the residence where the contact's spouse inspected the vehicle and attempted to release the seat belt. The vehicle was not repaired or diagnosed. The manufacturer was notified of the failure. The failure mileage was approximately 138,735.

• Dec 18, 2025OHFire
  Electrical system
  I was living in my car and the windows and door lock cluster caught on fire I had to tear my door panel off to get to the source and unplug it I believe there is a major electrical issue with this vehicle I shouldn't be driving it also my heater fan stopped working on 4 and 5 works on 1 2 and 3 but…

  I was living in my car and the windows and door lock cluster caught on fire I had to tear my door panel off to get to the source and unplug it I believe there is a major electrical issue with this vehicle I shouldn't be driving it also my heater fan stopped working on 4 and 5 works on 1 2 and 3 but not 4 or 5 please help me get this recalled so I can finally get this vehicle fixed right this is so dangerous I could have burnt up in my car 7

• Dec 12, 2019NJ120,393 mi
  Seat belts

  TL* the contact owns a 2008 GMC envoy. When the contact parked the vehicle and attempted to exit, the seat belt would not release. The contact had to physically climb her way out of the vehicle. The red button to release the seat belt was jammed in the down position. The dealer and manufacturer were not notified. The vehicle was not diagnosed or repaired. The failure mileage was 120,393.

• Jun 25, 2019MO
  Exterior lighting

  I have owned this vehicle for a year and it's had constant issue with low beam lightning. We replaced the relay thinking it was the problem but mechanic said it was an issue with this model. This car was mfg 1/08 and I honestly think it was assembled with the 2017 parts that were recalled.

• Mar 12, 2019CA
  Exterior lighting

  My hedlights IS not working.at night time while I am driving.

• Jan 1, 2019FL211,000 miFire
  Electrical system

  Air condition blower motor caught fire in dash and burnt the vehicle

• Oct 29, 2018OK165,000 miCrash
  Air bags

  On 10/24/2018 while driving my 2008 GMC envoy slt, I was involved in a head-on collision which resulted in my car being totaled. None of my air bags deployed.

• Aug 21, 2018TX113,000 miFire2 injuries
  Unknown or other

  Fire under the hood started, entire car burned in driveway, damaging house and a second car

• Aug 2, 2018AL
  Electrical system · Steering · Unknown or other

  My vehicle just suddenly stopped dead, in the road after leaving my residence and all control was lost. Unable to put transmission in neutral to push vehicle off road. I had it repaired by a trained mechanic and was told it was a faulty ignition. I had the faulty ignition replaced and the vehicle was operational again along with the worry of this happening again.

• Jul 28, 2018AL
  Suspension

  Have replaced right side front hub assembly twice, and have to replace it a third time, in 4 year's. getting best part from o'reilly's auto parts. Vehicle IS moving, feels like the front wheel IS going to fly off, shaking, wobbly, just totally unsafe

• Apr 12, 2018WI85,000 miCrash1 injury
  Electronic stability control (esc) · Service brakes · Vehicle speed control
  This IS a very unsafe vehicle. I purchased it for my husband and have seldom drove until recently when he was injured driving it. He drove through our garage and demolished it. I how drive it and find the brake and gas pedals the worst problem. No matter what shoes or boots you are wearing you…

  This IS a very unsafe vehicle. I purchased it for my husband and have seldom drove until recently when he was injured driving it. He drove through our garage and demolished it. I how drive it and find the brake and gas pedals the worst problem. No matter what shoes or boots you are wearing you cannot control the vehicle. It has cost us thousands in damage and repairs. I do not have pictures, but will obtain them and forward them. the car was just pulling up to be parked outside by out garage when the problem occured. The weather was fine-august 2017. It was just getting dark. This vehicle should be taken off the road asap until it IS repaired or replaced by GMC. My son drives a used GMC and it has none of these problems. The picture I am sending you IS of (ben), a technician at bretting manufacturing, inc. In ashland. Ben has also built dirt track race cars and I have built john deere combines.

• Feb 5, 2018MI126,000 mi
  Unknown or other
  02.05.2018 -- was at a superbowl party and my car was parked for 5 hours outside, it was about 20 degrees. Had a 10 minute drive home - parked car in garage and shut the garage door. While driving, I did use rear defroster and wiper blade, as there was snow on back window and it was snowing.…

  02.05.2018 -- was at a superbowl party and my car was parked for 5 hours outside, it was about 20 degrees. Had a 10 minute drive home - parked car in garage and shut the garage door. While driving, I did use rear defroster and wiper blade, as there was snow on back window and it was snowing. approximately 15 minutes after parking the vehicle,i heard a loud blast, like someone drove through my garage door. the rear window of my GMC envoy exploded into many pieces. Glass was inside and outside the vehicle. My garage IS not heated. I have no idea how it happened. I called my insurance company immediately and am going to drive the car to a GMC dealership to have it fixed.

• Jul 30, 2017MN151,000 mi
  Wheels
  Michelin ltx m/s 245/65r17 tires - all four tires indicating cracking on tread surface. notified dealer july 27, 2017. dealer contacted michelin indicating 60% tread life remaining, and requested resolution under warranty. michelin offered new comparable tires at cost to me which was greater…

  Michelin ltx m/s 245/65r17 tires - all four tires indicating cracking on tread surface. notified dealer july 27, 2017. dealer contacted michelin indicating 60% tread life remaining, and requested resolution under warranty. michelin offered new comparable tires at cost to me which was greater then what I originally paid for the tires that lasted only 40% of their tread life. so unfair!! michelin IS extremely unscrupulous.

• Jul 28, 2017WY46,098 mi
  Electrical system
  We have a 2008 envoy. We bought it brand new in 2008. The ignition switch has quit us 5 times. We usually have some warning. The first 3 times , the check engine light came on but I could eventually start the car and drive it to a mechanic to be checked out. The 4TH time we were heading out of…

  We have a 2008 envoy. We bought it brand new in 2008. The ignition switch has quit us 5 times. We usually have some warning. The first 3 times , the check engine light came on but I could eventually start the car and drive it to a mechanic to be checked out. The 4TH time we were heading out of town, check engine light came on, my husband pulled over to side of the road and car quit. Would not start, had to tow it to mechanic. This last time, no warning, just quit as I was driving home. I was able to get it started after sitting in the middle of the street for 30 minutes or so, drove it home, quit again and had to tow it to mechanic. I am afraid to take it out on the highway by myself. Afraid this vehicle could cause a wreak, and possible kill or injure us or others. there aren't very many miles on it, so it IS not a worn out vehicle.

• Jul 6, 2017GA
  Exterior lighting
  I was driving at night and my low beam headlamps went out. They just went off. panicking, I pulled off the road and tried turning them off and on. testing, my high beams worked, but my lows were off. I turned the car off and waited a few minutes. once turned back on, my lights worked. this the…

  I was driving at night and my low beam headlamps went out. They just went off. panicking, I pulled off the road and tried turning them off and on. testing, my high beams worked, but my lows were off. I turned the car off and waited a few minutes. once turned back on, my lights worked. this the first time this happened, this has happened multiple times and there IS no rhyme or reason and you never know when it will happen. I have seen this same issue with a year earlier and wonder if the problem extends to newer models. This recall should be extended to 2008 as it appears my vehicle IS having the same issues. I have had diagnostics and replaced headlamps...the problem persists.

• Jun 26, 2017TX152,000 mi
  Exterior lighting
  I filed a complaint with nhtsa, complaint 10923972, on 11/3/2016 referencing my dim lights spontaneously going out at night driving down the highway. I had researched this problem and found there was a recall because of the headlamp driver module failing, but my 2008 GMC envoy was not included. I…

  I filed a complaint with nhtsa, complaint 10923972, on 11/3/2016 referencing my dim lights spontaneously going out at night driving down the highway. I had researched this problem and found there was a recall because of the headlamp driver module failing, but my 2008 GMC envoy was not included. I received a letter from GMC the end of may 2017 providing additional protection for this problem and it was worded "if this condition "occurs" on your 2008 GMC envoy within 12 years or 150,000 miles the condition would be repaired at no charge." when I received the may 2017 letter my vehicle had 152,000 miles on it but when I filed the complaint in november 2016 it had 142,000 miles on it. GMC refused to repair my vehicle under the additional protection because of current mileage even though I had proof the condition "occurred" at 142,000 miles.

• Jun 22, 2017MI159,750 mi
  Exterior lighting
  I received a letter from GMC in may stating there may be an issue with headlamp driver module (hdm) where the low beam headlamps will not work. At the time, my headlamps were working properly, so the letter advised me to not take my vehicle to my GMC dealer. However, two days ago my headlamps did…

  I received a letter from GMC in may stating there may be an issue with headlamp driver module (hdm) where the low beam headlamps will not work. At the time, my headlamps were working properly, so the letter advised me to not take my vehicle to my GMC dealer. However, two days ago my headlamps did not work at night while driving on the highway. This caused a severe safety issue as I could not see the road clearly. I took my vehicle and the letter I received to my GMC dealer. They advised me that GMC would not pay to fix the headlamp problem as I had more than 150,000 miles in a situation where customer safety IS involved, I believe GMC should pay for the repairs. I had to pay for the repairs out-of-pocket. I strongly believe that this should be a safety recall notice initiated by the manufacturer to correct this issue. we should not have to wait for multiple accidents and traffic fatalities to prompt a recall for an important safety feature on a vehicle.

• Apr 19, 2017PA2 mi
  Electronic stability control (esc)

  Stabilitrack light keep coming on

• Apr 10, 2017OK119,000 mi
  Exterior lighting
  TL* the contact owns a 2008 GMC envoy. When the contact started the vehicle, the low beam headlights did not work. There were no warning indicators illuminated. The vehicle was driven home using the high beams. The contact also stated that the vehicle experienced the same failure two other times.…

  TL* the contact owns a 2008 GMC envoy. When the contact started the vehicle, the low beam headlights did not work. There were no warning indicators illuminated. The vehicle was driven home using the high beams. The contact also stated that the vehicle experienced the same failure two other times. The vehicle was taken to the dealer for diagnostic testing, but no failures were found. The manufacturer was notified. The failure mileage was 119,000.

• Feb 24, 2017OH106,000 miCrash
  Air bags
  I was involved in a head on collision in which my vehicle struck two vehicles. The first vehicle made an illegal left hand turn in front of my vehicle at a lighted intersection. I was traveling at an approximate speed of 50mph on a highway intersection (posted speed limit 55mph). The front…

  I was involved in a head on collision in which my vehicle struck two vehicles. The first vehicle made an illegal left hand turn in front of my vehicle at a lighted intersection. I was traveling at an approximate speed of 50mph on a highway intersection (posted speed limit 55mph). The front driver's side of my vehicle struck the front driver's side of the first vehicle (black sedan pictured). my vehicle continued to strike a second vehicle (pickup in picture) that was stopped at the red light of the cross street. My side airbags deployed while the front airbag did not deploy. Should the front airbag have deployed? There were no serious injuries, which I am grateful for, but I want to make sure this doesn't happen to someone else. crash report number 87-0070-87 in wood county ohio.

• Jan 15, 2017MO50,000 mi
  Seat belts
  Passenger front seat belt does not work properly after attaching to proper seat connector seat belt locks up and no forward movement IS allowed in non emergency situations. Seat belt must be detached as it IS in a locked position. Upon unlocking belt returns to normal action. Belt must be…

  Passenger front seat belt does not work properly after attaching to proper seat connector seat belt locks up and no forward movement IS allowed in non emergency situations. Seat belt must be detached as it IS in a locked position. Upon unlocking belt returns to normal action. Belt must be reconnected and positioning must be retried sometimes requiring disconnection yet again. Belt was replaced at owners cost. Replacement belt has the same issues but not as frequently as original belt. Total cost to owner approx. 500.00 and not much improvement if any. I feel this can be a safety concern issue. Vehicle can be stationary or moving makes no difference. *tr

• Dec 28, 2016TX62,000 mi
  Exterior lighting
  TL* the contact owns a 2008 GMC envoy. On several occasions while driving at night, the low beam headlights failed. The vehicle was taken to an independent mechanic to be diagnosed. The contact was informed that the headlamp module failed and needed to be replaced. The vehicle was not repaired. The…

  TL* the contact owns a 2008 GMC envoy. On several occasions while driving at night, the low beam headlights failed. The vehicle was taken to an independent mechanic to be diagnosed. The contact was informed that the headlamp module failed and needed to be replaced. The vehicle was not repaired. The contact stated that the failure was intermittent. The manufacturer was notified. The approximate failure mileage was 62,000.

• Nov 26, 2016PA67,106 mi
  Exterior lighting
  While operating the 2008 GMC envoy on an interstate I observed what appeared to be a lack of light when the low beam headlights were turned on. I drove to a rest area and confirmed that the low beam headlights were inoperative. The bulbs were removed and both bulb filaments appeared intact. Fuses…

  While operating the 2008 GMC envoy on an interstate I observed what appeared to be a lack of light when the low beam headlights were turned on. I drove to a rest area and confirmed that the low beam headlights were inoperative. The bulbs were removed and both bulb filaments appeared intact. Fuses, breakers and relays were checked for secure seating. The high beam headlights were operative and all other lights functioned. I am aware of documentation that covers the issue but only up to the 2007 model year. There are other complaints on file describing similar issues. the unsafe condition that resulted was the absence of forward lighting while operating a motor vehicle during times that lighting should be used. It IS my belief that a solid state relay, delco part number 15016745, in the #46 position in the engine compartment fuse panel, IS apparently the cause of the lighting failure. no injuries, or damages resulted from the in operative low beam headlight issue.

• Nov 26, 2016NY92,000 mi
  Electronic stability control (esc) · Service brakes
  "Takata recall" when I first start the car and begin to accelerate the traction control system activates causing lose of power - very dangerous when pulling out into traffic. I have to disengage the system on the shift handle to prevent this from happening. I am also experiencing the ABS problem…

  "Takata recall" when I first start the car and begin to accelerate the traction control system activates causing lose of power - very dangerous when pulling out into traffic. I have to disengage the system on the shift handle to prevent this from happening. I am also experiencing the ABS problem of activation when coming to a stop in all conditions. it IS already a recall for GMC vehicles up to 2004 but obviously not corrected. the traction control system activates every time after first starting the car. the ABS system IS sporatic. no warning that it IS about to happen. these systems fail daily without exception.

• Nov 3, 2016TX142,000 mi
  Exterior lighting

  My dim lights have quit working recently on my 2008 GMC envoy while driving down the highway. Has happened 4 times so far. Last time was 11/2/16. Bright lights still work. I found a GMC recall on years 2006-2007 ref the headlamp driver module which causes this problem. It seems they should include this year also. Extremely dangerous situation. *tr

Defect investigations

NHTSA’s Office of Defects Investigation opened these reviews into vehicles including this one.

• Loss of Headlights

  RQ17002Opened Apr 24, 2017Closed Mar 29, 2021
  The subject vehicles are model year (MY) 2002-2009 Chevrolet Trailblazer, GMC Envoy, 2004-2007 Buick Rainier, 2003-2008 Isuzu Ascender, 2005-2009 Saab 9-7X, 2002-2004 Oldsmobile Bravada, 2003-2006 Chevrolet SSR, 2005-2009 Buick Lacrosse, and 2006-2008 Pontiac Grand Prix. This scope includes the Trailblazer/Envoy…

  The subject vehicles are model year (MY) 2002-2009 Chevrolet Trailblazer, GMC Envoy, 2004-2007 Buick Rainier, 2003-2008 Isuzu Ascender, 2005-2009 Saab 9-7X, 2002-2004 Oldsmobile Bravada, 2003-2006 Chevrolet SSR, 2005-2009 Buick Lacrosse, and 2006-2008 Pontiac Grand Prix. This scope includes the Trailblazer/Envoy variants: 2002-2006 Envoy XL/Trailblazer EXT and 2004-2005 Envoy XUV. The original scope of this investigation was expanded to include all vehicles equipped with the subject Headlight Driver Module (HDM). The focus of the investigation was to determine whether actions performed by General Motors adequately addressed any unreasonable risk to motor vehicle safety in the subject vehicles concerning the headlights and the HDM that controls them.Under normal electrical load and environmental conditions, the HDM can overheat inside the Underhood Electrical Center (UEC). This can cause the module to fail and result in a simultaneous loss of both low beam headlights and both daytime running lights (DRLs), often with no warning or prior detectability to the driver. This failure can be intermittent or permanent. No other exterior lights are affected. High beams, turn signals, brake lights, and reverse lights are still operational.General Motors addressed this issue with 2 recalls (14V755 & 15V519) and a special coverage program (N172091910). In view of the recalls and special coverage program implemented by GM and the vehicle high beams continuing to operate, ODI has tentatively concluded that the actions taken by GM mitigate any unreasonable risk to safety posed by HDM failure in the subject vehicles.Accordingly, the investigation is closed. The closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exist. The agency reserves the right to take additional action if warranted by new circumstances.The ODI reports cited above are available for review online at NHTSA.gov under the identification numbers in the attached document.

Service bulletins

Technical service bulletins and other communications the manufacturer sent dealers about this vehicle. Ask a dealer for the full document by its number.

• 11011782This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2. There are 5 terminated leads in a package part number is 13505346, which can be ordered through your normal General Motors Customer Care and Aftersales parts channel.
• 11009531This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
• 11009156This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.
• 11009088This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.
• 11008956This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. and Canada Dealers Only).
• 11007936This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
• 11007935This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
• 11007744This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
• 11007743This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
• 11007208This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
• 11007196This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
• 11007116This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
• 11007095This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
• 11007091This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
• 11006682This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
• 11006621Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to updating affected modules (with some exceptions). The updating of modules is completed in parallel instead of the technician needing to update one module at a time. This allows a more streamlined approach for dealers and customers.
• 11006421GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities. The damage is being caused either in the removal process by the technician, or inadequate packaging or shipping. This bulletin advises the dealers to be more careful not to damage the transmissions during removal and to package the core properly for return.
• 11004761This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
• 11004727This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
• 11004557This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.
• 11002312This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.
• 11001325This warranty administration bulletin provides policy information to cover GMs policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada.
• 11001321This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
• 11000576This Warranty Administration bulletin provides retail and wholesale service personnel with the policies/procedures and the warranty transaction submission procedures that support the Personal Property Damage process.
• 11000162The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
• 11000160This service bulletin provides information on proper use of floor mats.
• 11000158This service bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
• 11000119This service bulletin provides technicians with information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
• 10253770This service bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV).
• 10253632Rear and Side Tempered Glass Spots.
• 10252735This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.
• 10252163XM Audio Traffic And Travel Link Availability And Operation.
• 10251890This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
• 10251888This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
• 10250775This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
• 10250505This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.
• 10250347This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns for Canadian Dealers only.
• 10250100Special Coverage Adjustment ? Throttle Position Sensor Replacement
• 10250013High Voltage Safety ? High Voltage Disabling
• 10249980This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Diagnostic Kit to effectively diagnosis vehicles. Technician should drive the vehicle will using the Pico Oscilloscope to record data. After the data is recorded it should be reviewed to determine the root cause of the concern. If a repair attempt made the concern better but not eliminated or had no affect at all, and are requesting assistance from General Motors Technical Assistance Center record another Pico file and save it to the computer. After the new Pico Oscilloscope data has been saved email the data to General Motors Technical Assistance Center in the subject line include ?Vibration? ?Business Associate Code? and the last 8 of the Vehicle Identification Number.

Every GMC Envoy model year

Bars are owner complaints, dots mark years with recalls. Select a year to open its report.