2006 GMC Sierra 2500 service brakes problems
24 owner complaints filed with NHTSA name the service brakes on the 2006 GMC Sierra 2500 — 36% of all complaints for this model year.
What owners report
“Brakes failed "completely", with no warning. No "warning light" on the instrument panel while driving on a public road in the county. All of a sudden absolutely no brakes. Had recently hauled a car on a trailer from emporia, kansas. Was preparing to haul calves to the sale barn. Now that would have…”
filed Jun 5, 2020
“Brake lines busted. This is a very serious problem because I was hauling a load and got extremely extremely lucky that it busted as I was pulling in driveway. I was pulling a loaded trailer with no brakes. This is a very common issue with the 2005 and 2006 2500 trucks. I can name 6 vehicles I know…”
filed Mar 11, 2020
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Service Brakes problems in other Sierra 2500 years
| Year | Reports | Share |
|---|---|---|
| 2025 Sierra 2500 | 6 | 24% |
| 2024 Sierra 2500 | 14 | 14% |
| 2023 Sierra 2500 | 3 | 10% |
| 2022 Sierra 2500 | 4 | 10% |
| 2021 Sierra 2500 | 6 | 12% |
| 2020 Sierra 2500 | 12 | 16% |
| 2019 Sierra 2500 | 4 | 13% |
| 2017 Sierra 2500 | 8 | 22% |
| 2016 Sierra 2500 | 10 | 17% |
| 2015 Sierra 2500 | 5 | 6% |
| 2014 Sierra 2500 | 1 | 3% |
| 2013 Sierra 2500 | 3 | 7% |
Other reported problem areas on the 2006 GMC Sierra 2500
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.