2023 Jeep Grand Wagoneer engine problems
14 owner complaints filed with NHTSA name the engine on the 2023 Jeep Grand Wagoneer — 29% of all complaints for this model year.
What owners report
“My 2023 Jeep Grand Wagoneer, VIN [XXX], has had repeated electrical, battery, power-loss, recall, and passenger-seat safety concerns. The vehicle was serviced for ongoing battery/electrical issues and remained at South Hills Dodge for approximately one month. During that time, I was told no loaner…”
filed Sep 16, 2026
“I was at a stoplight, waiting to making a U-turn. The light turned green release the brake and went to hit the gas. The entire vehicle shut off. I lost all power and had to restart the vehicle in the middle of the intersection with vehicles behind me. It took at least 30 seconds and I ended up…”
filed May 24, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
PUMP, Auxiliary Coolant Before replacing the Auxiliary Coolant Pump, please perform the following steps: 1) Key ON/OFF and let the after-run pump run for at least 20 minutes before moving on to step #2. 2) Inspect the…
9100861 Rev 3 · Service Bulletin/Repair Instructions · issued Jul 28, 2026
Engine problems in other Grand Wagoneer years
| Year | Reports | Share |
|---|---|---|
| 2024 Grand Wagoneer | 13 | 39% |
| 2022 Grand Wagoneer | 9 | 15% |
Other reported problem areas on the 2023 Jeep Grand Wagoneer
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.