2012 GMC Acadia fuel/propulsion system problems
22 owner complaints filed with NHTSA name the fuel/propulsion system on the 2012 GMC Acadia — 7% of all complaints for this model year.
What owners report
“Ratle sound in the engine thinking it may be the timing chain. Code p0430 came on stating catalytic converter bank 2 needs replaced. We replaced o2 sensor downstream on bank 2 code was cleared by shop. After driving a few miles same check engine light came on and i took it to the shop they hooked…”
filed Jun 22, 2025
“My 2012 GMC Acadia has had numerous issues that all lead to the fuel pump assembly. Three separate times, my cars ignition has just shut off while driving. When trying to accelerate from a stop, the car will struggle to move then jump forward nearly hitting the car infront of me. Stabilitrak…”
filed Sep 7, 2023
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Fuel/propulsion System problems in other Acadia years
| Year | Reports | Share |
|---|---|---|
| 2023 Acadia | 2 | 5% |
| 2022 Acadia | 8 | 17% |
| 2021 Acadia | 23 | 16% |
| 2020 Acadia | 9 | 9% |
| 2019 Acadia | 4 | 1% |
| 2018 Acadia | 7 | 2% |
| 2017 Acadia | 12 | 2% |
| 2016 Acadia | 1 | 0% |
| 2015 Acadia | 8 | 3% |
| 2014 Acadia | 18 | 4% |
| 2013 Acadia | 5 | 4% |
| 2011 Acadia | 7 | 3% |
Other reported problem areas on the 2012 GMC Acadia
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.