2003 GMC Sierra 2500 service brakes problems
28 owner complaints filed with NHTSA name the service brakes on the 2003 GMC Sierra 2500 — 18% of all complaints for this model year.
What owners report
“Brake failure upon slowing down at off ramp. Avoided accident but had total brake failure. Pulled into parking lot, checked fluid levels, were ok, tried brakes again and they were working. Have not had a problem since.have heard reports of similar nature. Some think it is a problem in the…”
filed Aug 6, 2017
“I was driving on I 75 doing 70 mph I had to come to a sudden stop I applied brakes and there was no brakes., I ended up putting truck in the ditch to avoid serious accident. It ended both brake lines from master cylinder both blew up from corrosion these lines went to the abs module. I was some…”
filed Nov 28, 2016
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 2003 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.