2021 Jeep Wrangler Reliability Score & Common Problems

Owners of the 2021 Jeep Wrangler frequently report issues related to the "death wobble," a condition where the vehicle shakes violently, especially after hitting bumps at highway speeds. Typical symptoms include uncontrollable shaking that often necessitates slowing down significantly to regain control. Complaints suggest these issues commonly emerge around 20,000 to 50,000 miles. Some reports indicate that leaking shock absorbers and failed dampers might contribute to the problem. Safety implications are significant, with at least one report of the vehicle veering off the road into a ditch. Potential buyers should be aware of these recurring suspension issues and the associated safety risks.

Owners of the 2021 Jeep Wrangler frequently report engine stalling and overheating issues, often linked to the cooling system. Complaints commonly describe coolant leaks, erratic temperature readings, and overheating, with some cases involving engine seizure and significant damage. These issues are often noted at relatively low mileage, sometimes under 30,000 miles. Fire incidents are reported in four cases, with one resulting in a total vehicle loss. Buyers should be aware of potential safety risks, such as sudden loss of power and overheating, especially in vehicles with the 2.0L turbocharged engine.

Owners of the 2021 Jeep Wrangler frequently report issues related to the fuel system, particularly involving a recall that has yet to be addressed due to unavailable parts. Complaints often describe the vehicle losing motive power or stalling, sometimes accompanied by the check engine light, around mileage ranging from 31,000 to 70,000. Some owners note a fuel leak and a strong diesel odor, specifically affecting the fuel filter housing. Safety implications include instances where stalling results in loss of power steering and braking, posing a potential hazard if these failures occur while driving. Buyers should be aware of these unresolved recall issues and the potential for fuel system malfunctions at higher mileages.

Owners of the 2021 Jeep Wrangler frequently report issues related to the fuel and propulsion systems, notably involving inaccurate fuel gauges and high-pressure fuel pump failures. Complaints often describe vehicles shutting down unexpectedly, sometimes while driving, due to fuel system malfunctions, with some incidents occurring at highway speeds. There are also reports of hybrid battery issues leading to fire hazards, with one confirmed case of a vehicle fire. These problems are noted across a range of mileages, with some vehicles having as few as a few thousand miles. Safety implications include potential vehicle fires and sudden loss of power, which could pose risks during operation.

Owners report several issues with the service brakes on the 2021 Jeep Wrangler, with multiple complaints highlighting persistent vacuum pump failures, brake pedal going to the floor, and warning lights for ABS and stability control. Typical symptoms include loss of power brakes, lack of brake responsiveness, and illuminated warning lights, often occurring around 15,000 to 30,000 miles. Two complaints involve crashes: one describes unintended acceleration through a fence while parked, and another details a vehicle lurching at a stop light, resulting in collisions with other vehicles. These issues, particularly those involving complete brake failure and loss of vehicle control, have significant safety implications that potential buyers should consider.

Owners of the 2021 Jeep Wrangler frequently report issues with airbag non-deployment during crashes, with eight out of nine complaints involving accidents and ten injuries mentioned. Common symptoms include airbag failure notifications and instances where airbags do not deploy despite significant impacts, such as collisions with other vehicles, guardrails, or rollover events. Some complaints also highlight seatbelt malfunctions, where the seatbelt fails to lock during a crash. These issues occur at various mileages, with at least one report noting a failure at 930 miles. The pattern of airbag and seatbelt failures in crash situations suggests potential safety risks for occupants.

Owners of the 2021 Jeep Wrangler report several issues related to vehicle speed control, particularly in models with the 4xe and diesel engines. Common symptoms include failure to accelerate from a stop, unexpected entry into limp mode restricting speed to as low as 5-8 mph, and erratic acceleration and braking behavior. These issues often occur alongside the illumination of check engine lights, with some complaints linked to recent recall services. Mileage at the time of incidents varies, with one report noting a crash at 9,000 miles due to sudden unintended acceleration. Safety implications are notable, as one complaint involves a crash resulting from the vehicle lunging forward unexpectedly, and others describe near-miss situations due to loss of power or control.