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.


hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
57,617 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.

2007 GMC Sierra drivetrain problems

drivetrain problem

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2007 GMC Sierra Owner Comments

problem #3

Apr 012014


  • 60,000 miles


The contact owns a 2007 GMC Sierra. While driving various speeds, the transmission slipped into the third and fourth gears and the check engine warning indicator illuminated. The dealer stated that the transmission needed to be replaced. The vehicle was not repaired and the manufacturer was not notified. The approximate failure mileage was 60,000.

- Polson, MT, USA

problem #2

Sep 032014

Sierra 4WD 8-cyl

  • 39,471 miles
Traveling at a low speed on my property and the truck entered into a "reduced power" mode. Which cut off all power to the drive train. You were left with no ability to go front or back. After shutting off the truck and restarting it returned to normal. Local GMC dealer says he gets one a month for this condition. Costs to repair exceeds a $1000. Lost of power could happen any time. Very dangerous situation.

- Carlisle, PA, USA

problem #1

Jun 042014

Sierra 8-cyl

  • 73,379 miles
When stop feel like somebody hit me from the back one guy told me that my transmission.

- Franklin, LA, USA

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