2023 Jeep Wagoneer engine problems
44 owner complaints filed with NHTSA name the engine on the 2023 Jeep Wagoneer — 46% of all complaints for this model year.
What owners report
“Temperature alert went off for too hot. Was stranded in North Carolina while driving for vacation. Had to get a rental while thermostat was replaced. This is a known and widespread issue yet no recall has been sent out.”
filed Jul 26, 2026
“While driving at low speed, the vehicle suddenly shut down completely without any warning. The engine lost power while I was cruising, causing the vehicle to stop responding. On separate occasions, the vehicle has also shut off while idling. This condition creates a serious safety concern because…”
filed Jul 9, 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, 2026PUMP, 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 1 · Service Bulletin/Repair Instructions · issued Jul 16, 2026PUMP, 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 · Service Bulletin/Repair Instructions · issued Jul 9, 2026
Engine problems in other Wagoneer years
| Year | Reports | Share |
|---|---|---|
| 2024 Wagoneer | 23 | 51% |
| 2022 Wagoneer | 48 | 25% |
Other reported problem areas on the 2023 Jeep 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.