2021 Jeep Wrangler 4XE Engine Problems
- Complaints
- 2about this part
- Share
- 40%of 5 total for the year
- Median mileage
- 30,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the engine of the 2021 Jeep Wrangler 4XE, 40% of the 5 complaints for this model year. Where a mileage was given, the median is 30,000 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 2021 Jeep Wrangler 4XE. The contact received notification of NHTSA Campaign Number: 25V741000 (Electrical System); however, the part to do the recall repair was not yet available. The contact stated that the check engine warning light was illuminated. The vehicle was previously taken to a local dealer, where unknown recall-related repairs were performed. The vehicle was repaired at the owner's expense; however, the failure progressed. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. …”
NHTSA complaint #11704403, filed 2025-12, 10,000 miles“The contact owns a 2021 Jeep Wrangler 4XE. The contact stated while driving at an undisclosed, the check engine warning light illuminated. The accelerator pedal was depressed, but the vehicle failed to accelerate as intended, hesitated and jerked. The vehicle was taken to the dealer however, the failure could not be duplicated. The contact stated that the engine was replaced in July 2025. In addition, the vehicle had been taken back to the dealer several times since the engine replacement. The contact was advised by an Attorney to report the failure to the NHTSA Hotline. …”
NHTSA complaint #11701300, filed 2025-11, 50,000 milesRelated service bulletins
- 11036762Aug 26, 2026Turbocharger Kit Please note that many turbo components are serviceable separately and full turbo replacement may not be required. If the turbo is being inspected for…
- 11035078Jul 7, 2026CORE – HEATER
- 11035077Jul 7, 2026CORE – HEATER
- 11034912Jun 30, 2026Throttle body – none
- 11034911Jun 30, 2026Throttle body – none
- 11034335Jun 18, 2026Bolt - hex flange head
- 11030229Mar 21, 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…
- 11026687Dec 13, 2025Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician must find one…
- 11024035Oct 2, 2025Before replacing any parts please refer to SOL S2518000008 if it applies to the vehicle you are working on based on a VIN search in Service Library. Before replacing this part…
- 11020832Jul 16, 2025Engine Cylinder Block Porosity Inspection - Engine Cold Start Rough Idle Customers may experience the following: ● Rough engine idle when cold starting the engine. ● Low coolant…
Engine: other model years
Other parts of the 2021 Jeep Wrangler 4XE
← All problems reported for the 2021 Jeep Wrangler 4XE
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 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