This 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.
full bulletin at NHTSA ↗2007 GMC Envoy visibility problems
severe 19 complaints filed with NHTSA · avg repair $350 · see visibility across all vehicles →
Failure mileage
Complaints
19
Recalls
0
Avg fix
$350
4fires
When does it fail?
Of the 19 visibility complaints filed for the 2007 GMC Envoy, here's the actual mileage breakdown — failures cluster heaviest at 25,000-50,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
No new NHTSA visibility complaint has been filed on this vehicle in over 11 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering visibility on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
full bulletin at NHTSA ↗This Preliminary Information communication provides information to the technician that the Cam gear alignment can be incorrect after replacing the HVAC mode actuator.
full bulletin at NHTSA ↗This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
full bulletin at NHTSA ↗This 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.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
Owners of the 2007 GMC Envoy report a wide range of visibility and power-window system failures. The most alarming involve spontaneous rear window shattering—multiple owners describe the rear window exploding while parked, in cold weather, or with minimal provocation. No impact or vandalism was involved in these incidents. Several owners also report driver-side window control switches that overheat, smoke, melt, and catch fire; one owner states the switch insulation and plastic burned completely. Window mechanism failures are equally common: owners describe inoperable power windows, cables breaking mid-operation, and windows that open and close intermittently or fail to close at all. Door locks and window switches frequently malfunction together, leaving doors inoperable from inside the vehicle. Multiple owners reference NHTSA recall campaigns 12V406000 and 14V404000 for power window and visibility issues, but report their VINs were excluded from coverage despite experiencing the same failures. Failures occur across a wide mileage range, from 43,000 to 148,000 miles. One owner reports a heater-core leak causing sudden fogging and steam that obscured visibility while driving at highway speed.
Same GMC Envoy visibility reports on nearby years: 2005 · 2006
Failure modes owners describe
Spontaneous rear window shattering
Rear window glass breaks or explodes without impact, vandalism, or apparent cause while parked or in cold weather conditions.
When: Cold weather, extreme temperature swings; incidents recorded at various mileages
Symptoms owners cite: Rear window completely shattered while parked; No external impact, vandalism, or object strike; Noise heard at time of failure; Occurs in cold or freezing conditions
Repairs/costs cited: Replacement window cost $850; dealers requested owner copay of $200. Owner was 9 months out of warranty.
Recalls/TSBs owners mention: Recall campaigns 12V406000 and 14V404000 exist for visibility issues, but many affected VINs were excluded from coverage.
Power window switch overheating and fire
Driver-side power window control switch overheats, melts, smokes, and catches fire. Circuit board and plastic housing show burn marks and water damage.
When: Around 100,000 miles; one reported at 106,000 miles
Symptoms owners cite: Smoke or burning smell from driver-side door while driving; Window switch melted and turned black; Burned areas where circuit board meets plastic housing; Water track marks on switch; Switch no longer functions after burning
Repairs/costs cited: Switch inspection revealed melting and burn damage; switch replacement required but not performed in some cases.
Recalls/TSBs owners mention: Recall campaign 12V406000 (VISIBILITY: POWER WINDOW DEVICES AND CONTROLS) exists; however, affected VINs were often excluded from recall coverage despite matching defect.
Power window and door lock inoperability
Driver-side power windows and door locks fail to operate. Doors cannot be locked or unlocked from inside; electronic key fob remains functional.
When: Failures reported from 43,000 to 51,500 miles
Symptoms owners cite: Power windows inoperable—cannot roll up or down; Power door locks inoperable—doors cannot lock or unlock from interior; Windows open and close intermittently; Electronic key fob still functions for locks; Abnormal noise when window operates
Repairs/costs cited: Dealer diagnosis identified failed door module and window motor requiring replacement. Not repaired in most cases reported.
Recalls/TSBs owners mention: Recall campaigns 12V406000 and 14V404000 referenced; many VINs were not included in recall coverage despite matching symptoms. Manufacturer offered no assistance in several cases.
Window cable and mechanical failure
Physical window mechanism fails. Passenger window cable breaks in half mid-operation, window falls into door.
When: Reported during extremely cold weather conditions
Symptoms owners cite: Cable mechanism breaks while window is being lowered; Window falls down into the door; Window must be held in place with improvised repair (duct tape)
Repairs/costs cited: Window held up with duct tape; no proper repair performed.
Heater core leak causing windshield fogging
Leaking heater core causes steam and antifreeze smell inside cabin, fogging all windows and creating sudden visibility loss while driving.
When: Cold, snowy driving conditions
Symptoms owners cite: Steam suddenly rises from vents; All windows fog up rapidly; Strong antifreeze smell; Complete loss of visibility while driving at highway speed
Repairs/costs cited: Heater core replacement required.
Synthesized from 19 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 4 most recent
Tl* the contact owns a 2007 GMC envoy denali. The contact stated that the windows opened and closed intermittently. The vehicle was repaired under NHTSA campaign id number: 14v404000 (visibility) but the recall remedy failed to repair the vehicle. The dealer informed that the door module failed and the motor needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the…
Tl* the contact owns a 2007 GMC envoy. The contact stated the driver's side window control panel failed and caught on fire. The vehicle had not been taken to a dealer or mechanic for diagnosis or repairs. The manufacturer was made aware of the problem. The contact stated that the manufacturer informed her that the vehicle was included in a manufacturer's recall but the contact vehicle did not…
Weather is in the single digits and I parked my 2007 envoy denali in my drive. I don't have a garage so it sits out in the extreme heat add cold. I thought I heard a noise outside and when I looked out my rear window was completely shattered. Nothing hit it, nobody was down our isolated lane, it just decided to fail. I looked online and there are other owners mentioning similar problems with…
Tl* the contact owns a 2007 GMC envoy. After refueling the vehicle, the contact drove off and the rear window shattered. The contact called the manufacturer, received a case number, and filed a police report. The vehicle was dropped off at the dealer (becker Buick GMC, inc., 636 e sprague ave, spokane, wa 99202, (509) 455-3550) and the contact was waiting to hear back from them within three days.…
Had visibility trouble with your 2007 GMC Envoy?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the visibility problem on the 2007 GMC Envoy?
It's a meaningful issue. 19 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $350.
At what mileage does the visibility typically fail?
Across the 16 complaints that reported odometer mileage, most visibility failures cluster between 51,000 and 106,000 miles, with the median around 85,000. A quarter of owners report trouble before 51,000; a quarter make it past 106,000. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $350 for visibility repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to visibility?
No active recalls currently cover visibility issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2007/GMC/Envoy.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.