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EnginePart report

2023 Jeep Gladiator Engine Problems

Complaints
7about this part
Share
12%of 57 total for the year
Median mileage
19,500miles
Trend
Too newThis model year is less than 4 years old, so a trend is not meaningful yet.

NHTSA recorded 7 complaints about the engine of the 2023 Jeep Gladiator, 12% of the 57 complaints for this model year. Where a mileage was given, the median is 19,500 miles. 1 a fire, according to the filers.

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.

“This Jeep gladiator has not started on several occasions. And is now stuck in our driveway not turning over the engine. This apparently is a known problem and has stranded my family. Has Also stopped all the electrical with the engine driving down the road when my husband was returning from work, this is a safety issue please respond.”

NHTSA complaint #11603396, filed 2024-07

“The vehicle was being driven on a 4 mile stretch of interstate 26 averaging between 65 and 70 MPH. On the steepest section of the grade the vehicle downshifted into 7th gear and began to lose power. It showed a check engine light and other codes which are attached. I was able to safely pull over to the shoulder but the vehicle lacked power and pulling over and maneuvering on a steep grade was precarious. I received an alert from the Jeep mobile app on my phone shortly after instructing me to take my car to schedule an appointment now. …”

NHTSA complaint #11673540, filed 2025-07

“5800 miles, the engine failed due to a connecting rod failure. Chrysler replaced the engine at no cost. Oil changes were done at the year mark as the mileage limit was not reached. Dealership indicates they replace several 3.6 engines a month for warranty failures Castle Rock Jeep, Castle rock Colorado.”

NHTSA complaint #11746281, filed 2026-06

“The contact owns a 2023 Jeep Gladiator. The contact stated that after parking the vehicle and turning the engine off, approximately two hours later the contact discovered smoke and flames coming from the engine compartment of the vehicle. The fire department was called to the scene and extinguished the flames. During the fire, the garage was destroyed and the exterior of the home was partially damaged. A fire report was taken at the scene and the vehicle was later towed away. …”

NHTSA complaint #11613951, filed 2024-09, 1,000 miles

“2023 Jeep Gladiator with 8000 miles shut off while driving down the highway at approximately 40 Mph. Service Electronic Throttle Control light illuminated. Coasted to a stop and put the vehicle in park. Vehicle wouldn’t restart. Vehicle is currently at the dealership awaiting service.”

NHTSA complaint #11592749, filed 2024-06

Related service bulletins

Engine: other model years

YearComplaintsShare of year
202517%
2024313%
2023712%
20222017%
20215318%
2020459%

Other parts of the 2023 Jeep Gladiator

Electrical system
15 complaints
Suspension
12 complaints
Steering
10 complaints
Fuel system
8 complaints
Transmission and drivetrain
8 complaints
Other or unknown
7 complaints
Brakes
4 complaints
Air bags
2 complaints
Vehicle speed control
2 complaints
Visibility (wipers, defrost, mirrors)
2 complaints
Wheels
2 complaints
Exterior lighting
1 complaints

← All problems reported for the 2023 Jeep Gladiator

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 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