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Other or unknownPart report

2026 Jeep Grand Cherokee L Other or unknown Problems

Complaints
5about this part
Share
20%of 25 total for the year
Median mileage
—not reported
Trend
Too newThis model year is less than 4 years old, so a trend is not meaningful yet.

NHTSA recorded 5 complaints about the other or unknown of the 2026 Jeep Grand Cherokee L, 20% of the 25 complaints for this model year.

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.

“While driving from Tampa to Miramar Beach, Florida, the vehicle operated normally on the highway. However, shortly after exiting the highway and driving in slow traffic, the engine temperature gauge suddenly rose into the red zone, and the air conditioning automatically shut off. I immediately pulled over and allowed the vehicle to cool. The engine temperature returned to normal, and after the engine cooled completely, I found that the coolant reservoir level was only slightly below the MIN mark. …”

NHTSA complaint #11752766, filed 2026-07

“On 7/16/2026 exactly 1 week after i purchase the vehicle after fueling i drove about 1 mile when the car started to misfire, when attempting to accelerate. Check engine light flashes a few times and then went off. I then attempted to reverse into my driveway and when attempting to do so the vehicle shut off completely. But started right back up. I then called the dealership and was asked to bring it in. The dealership has the vehicle about 2 days and said it has been repaired it had bad spark plugs. …”

NHTSA complaint #11754118, filed 2026-08

“My wife was driving our 2026 Jeep Grand Cherokee Limited with our child as a passenger on a public roadway. Traffic ahead slowed because another vehicle was turning into a parking area. There was no collision. The Forward Collision Warning/Automatic Emergency Braking system activated unexpectedly and applied the brakes. Immediately afterward, the vehicle appeared to stall or shut off while still in traffic. The instrument cluster displayed a message instructing the driver to press the Stop/Start button to restart the vehicle. …”

NHTSA complaint #11763506, filed 2026-09

“The car would stall and shut off coming to a stop or slowing down while driving. The shift to park sensor/ indicator would come on , the knob to park lights would flash as well as the emergency brake would be activated and would not allow the vehicle to go back into drive until the vehicle was shut off completely . Twice it almost caused an accident .”

NHTSA complaint #11762320, filed 2026-09

Related service bulletins

Other or unknown: other model years

YearComplaintsShare of year
2026520%
20251743%
202425%
202388%
20221013%
20211516%

Other parts of the 2026 Jeep Grand Cherokee L

Engine
20 complaints
Transmission and drivetrain
7 complaints
Fuel system
5 complaints
Forward collision avoidance
4 complaints
Electrical system
1 complaints
Exterior lighting
1 complaints
Vehicle speed control
1 complaints
Visibility (wipers, defrost, mirrors)
1 complaints

← All problems reported for the 2026 Jeep Grand Cherokee L

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