2023 Jeep Grand Wagoneer Engine cooling Problems
- Complaints
- 2about this part
- Share
- 4%of 49 total for the year
- Median mileage
- 11,747miles
- Trend
- Too newThis model year is less than 4 years old, so a trend is not meaningful yet.
NHTSA recorded 2 complaints about the engine cooling of the 2023 Jeep Grand Wagoneer, 4% of the 49 complaints for this model year. Where a mileage was given, the median is 11,747 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owns a 2023 Jeep Grand Wagoneer. The contact stated that while his wife was driving approximately 65 MPH on the highway, the vehicle lost motive power and shut off. The vehicle was later towed to the local dealer, who diagnosed that the thermostat had failed, causing the engine to overheat. The contact was informed that the valve inside the thermostat had bound, causing improper internal operation of the thermostat. The thermostat was replaced, and the vehicle was repaired. …”
NHTSA complaint #11678825, filed 2025-08, 17,500 miles“The contact owns a 2023 Jeep Grand Wagoneer. The contact stated while driving 75 MPH on a road trip, the vehicle made an abnormal beeping sound, failed to accelerate while depressing the accelerator pedal, and lost motive power. The messages Power Steering Service Required and Electronic Stability Control Service Required were displayed. Additionally, the check engine warning light was illuminated. The contact was able to veer to the side of the road. The vehicle failed to restart after several attempts. …”
NHTSA complaint #11536090, filed 2023-08, 5,994 milesEngine cooling: other model years
Other parts of the 2023 Jeep Grand Wagoneer
17 complaintsEngine
14 complaintsForward collision avoidance
10 complaintsOther or unknown
8 complaintsSeats
6 complaintsSteering
5 complaintsBrakes
4 complaintsLane departure
4 complaintsSuspension
4 complaintsFuel system
2 complaintsSeat belts
2 complaintsBody and structure
2 complaints
← All problems reported for the 2023 Jeep Grand Wagoneer
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology