2012 Jeep Wrangler power train problems
282 owner complaints filed with NHTSA name the power train on the 2012 Jeep Wrangler — 34% of all complaints for this model year.
What owners report
“My Oil pump and oil sensor keep going out every 4,000 miles. I have already had to replace it once. I don’t want to have to do it again. Clearly something is causing this issue.”
filed Jan 8, 2026
“Report from diagnostic service 1-9-2023 cylinder head - has premature failure of valve guides and cylinder head replacement is required for repair. Yes, Jeep extended the warranty but if your vehicle did not show problems they would not fix it, but they did learn and knew at the point the…”
filed Jan 10, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Power steering line may contact and wear a hole in the transmission oil cooler line…Campaign 13V234000 · Jun 4, 2013
Related service bulletins
Plate - Planetary
101232 · Service Bulletin/Repair Instructions · issued Oct 30, 2024
Power Train problems in other Wrangler years
| Year | Reports | Share |
|---|---|---|
| 2025 Wrangler | 10 | 17% |
| 2024 Wrangler | 162 | 25% |
| 2023 Wrangler | 46 | 14% |
| 2022 Wrangler | 57 | 15% |
| 2021 Wrangler | 137 | 15% |
| 2020 Wrangler | 46 | 8% |
| 2019 Wrangler | 77 | 11% |
| 2018 Wrangler | 170 | 9% |
| 2017 Wrangler | 50 | 16% |
| 2016 Wrangler | 73 | 16% |
| 2015 Wrangler | 51 | 11% |
| 2014 Wrangler | 88 | 14% |
Other reported problem areas on the 2012 Jeep Wrangler
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.