2021 Jeep Wrangler Engine Problems
NHTSA lists 243 engine-related complaints for the 2021 Jeep Wrangler, 26% of its 934 total complaints, with a median failure mileage of 25,057. Two related recalls exist: one for 4xe plug-in hybrid engine shutdowns and one for 3.0L diesel high-pressure fuel pump failures causing stalls.
- Engine complaints
- 243
- 26% of 934
- Crashes reported
- 7
- Fires reported
- 12
- Injuries reported
- 0
- Median mileage
- 25,058 mi
- Related recalls
- 2
Typical engine symptoms owners report
- Owners report engine compartment fires starting near the fuel line or top rear of the engine, sometimes engulfing the vehicle within minutes.
- Some describe sudden unintended acceleration or lunging forward while parking with the brake pedal depressed, leading to collisions.
- Others report the engine shutting down or entering limp mode while driving, accompanied by smoke or dashboard warning lights.
- A clutch pressure plate failure was reported to disintegrate and ignite a fire, cutting engine power without prior warning.
- Some owners describe loss of acceleration at highway speed with an 'Electric Throttle Control' warning message.
When 2021 Jeep Wrangler engine complaints were filed
First complaint Oct 24, 2020, latest Sep 23, 2026.
Engine recalls for the 2021 Jeep Wrangler
- NHTSA 22V865000Nov 23, 2022Engine62,909 vehicles
Engine
Chrysler (FCA US, LLC) is recalling certain 2021-2023 Jeep Wrangler 4xe vehicles equipped with 2.0L Plug-In Hybrid Electric Vehicle engines. A loss of communication may cause an engine shutdown.
Risk: An engine shutdown can cause a loss of drive power, increasing the risk of a crash.
Remedy: There is more than one involved component and calibration software. Updating the calibration software in the Transmission Control Module, Hybrid Control Processor and Auxiliary Hybrid Control Processor that changes fail safe from shut down to limp home. Dealers will update the transmission control module software, Hybrid Control Processor and Auxiliary Hybrid Control Processor, free of charge. Owner notification letters were mailed December 22, 2022. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall ZB7.
- NHTSA 22V767000Oct 13, 2022Engine60,413 vehicles
Engine
Chrysler (FCA US, LLC) is recalling certain 2020-2022 Jeep Wrangler, Ram 1500, and 2021-2022 Jeep Gladiator vehicles equipped with 3.0L diesel engines. The high pressure fuel pump (HPFP) may fail, causing an engine stall.
Risk: An engine stall can increase the risk of a crash.
Remedy: Dealers will replace the HPFP and inspect and replace additional fuel system components, as necessary, free of charge. Owner notification letters were mailed October 17, 2023. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is Z96.
Engine complaints by Wrangler model year
Raw complaint counts per model year; newer years have had less time to accumulate complaints.
Frequently asked questions
- How many engine complaints does the 2021 Jeep Wrangler have?
- NHTSA lists 243 engine-related complaints for the 2021 Wrangler, which is 26% of all 934 complaints filed for that model year.
- Is there an engine recall for the 2021 Jeep Wrangler?
- Yes. Recall 22V865000 covers 4xe plug-in hybrid engines that can shut down from a loss of communication, and recall 22V767000 covers 3.0L diesel engines with a high-pressure fuel pump that may fail and stall the engine.
- At what mileage do 2021 Wrangler engine problems usually appear?
- The median mileage at failure reported to NHTSA is 25,057 miles.
- Do engine complaints on the 2021 Wrangler involve fires?
- Yes, NHTSA data shows 12 fires and 7 crashes tied to engine-area complaints for this model year, with no reported injuries.