Huge win for car owners! All TSBs to be made public. The Center for Auto Safety just made the NHTSA (US Government) make public the full text of all TSBs from now on. They are the same organization that has petitioned the NHTSA & filed lawsuits to protect car owners over exploding gas tanks & other major safety issues. Whenever you drive in your car, you are safer thanks in part to a lot of work over the years by this small but very effective consumer advocacy group.

Please take a moment & say thank you by donating $5 or whatever you can to the Center for Auto Safety.


really awful
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
0 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2006 GMC Envoy XL engine problems

engine problem

Find something helpful? Spread the word.
Get notified about new defects, investigations, recalls & lawsuits for the 2006 GMC Envoy XL:

Unsubscribe any time. We don't sell/share your email.

2006 GMC Envoy XL Owner Comments

problem #1

Aug 012008

Envoy XL

  • miles


GMC Envoy XL - 2006 has powered down three times while driving on a major interstate at approximately 65 mph during rush hour traffic. No warning lights prior to the power down. The vehicle slows to 15 within about 60 seconds. The first time, in approximately 2008, I was able to pull over two lanes to the breakdown lane and the power came back on while I was still coasting. I was told by GMC that without the light on they couldn't do anything. The second time in early 2012, the same thing happened during rush hour - there was no breakdown lane. When I went to GMC the light went off. I was told that I had a useful life of the car and it was getting old (135,000) miles and I should replace it. They said they could not do anything. It happened again last week on the interstate. I brought my car to my regular mechanic, non GMC, who coordinated with another GMC dealer for me. They fixed some codes they said were a problem. It happened again after having the car for 2 days. They fixed it again. We don't know if it's really fixed. This is a huge problem. GMC has no idea what they need to do to fix this. I have not seen service bulletins that relate to this. Powering down to a speed below minimum speed on a major highway is very dangerous. I do not trust this vehicle and feel very unsafe in it. Somebody needs to do something about this.

- North Andover, MA, USA

Not what you are looking for?