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 2024-06Related service bulletins
- 11035078Jul 7, 2026CORE – HEATER
- 11035077Jul 7, 2026CORE – HEATER
- 11034335Jun 18, 2026Bolt - hex flange head
- 11034345Jun 15, 2026Check Engine Light (CEL) Illuminated with Diagnostic Trouble Code (DTC) P0106 Manifold Absolute Pressure Sensor Performance Setting In The Powertrain Control Module (PCM)
- 11031450Apr 16, 2026Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of…
- 11025028Oct 21, 2025Engine Oil Leak
- 11023618Sep 24, 2025Data collection required for all 2020-2026MY vehicles with 3.6L PSU engines during any of their first 3 engine oil changes. This data collection is applicable to all vehicle with…
- 11021043Jul 26, 2025Engine Rattle Noise
- 11020858Jul 15, 2025Module - engine controller
- 11020767Jul 8, 2025Verify Reman part number availability. Order the "R" part number for all orders:
Engine: other model years
Other parts of the 2023 Jeep Gladiator
15 complaintsSuspension
12 complaintsSteering
10 complaintsFuel system
8 complaintsTransmission and drivetrain
8 complaintsOther or unknown
7 complaintsBrakes
4 complaintsAir bags
2 complaintsVehicle speed control
2 complaintsVisibility (wipers, defrost, mirrors)
2 complaintsWheels
2 complaintsExterior 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