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.

NHTSA — Power Train: Automatic Transmission: Control Module (Tcm, Pcm) Problems


definitely annoying
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
20,092 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.

2004 Oldsmobile Bravada transmission problems

transmission problem

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2004 Oldsmobile Bravada Owner Comments

problem #1

Jul 192005

Bravada 6-cyl

  • Automatic transmission
  • 20,092 miles


Issue with transmission upshift from 1 to 2 gear, 2004 Oldsmobile Bravada AWD the transmission has issues when it shifts gears and causes my family to get thrown back into our seats causing whiplash. It also drastically reduces the RPM, losing speed. This scares us considering that other vehicles might rear end my car. Unfortunately the GM dealership holds our vehicle for maybe 2 days and drives it for a short distance. Since they cannot find the issue as it is random even though this condition as described in their service bulletin says that it is random, the vehicle is returned since GM will not pay them. They want the condition T worsen before they fix it, putting us is harms way. I would suspect this hapens with the trailblazer and GMC Envoy as well.

- Dearborn, MI, USA

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