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Owner complaints · Power Train

2021 Jeep Gladiator transmission and drivetrain problems

71 of the 292 complaints owners filed with NHTSA about the 2021 Jeep Gladiator name the transmission and drivetrain (NHTSA’s “Power Train” heading — the transmission, transfer case, driveshafts, axles and differentials — NHTSA files them under one heading). Filed under the same heading: 84 manufacturer bulletins, 3 recalls. Every figure below is a document in a federal file, linked; none is a failure rate, and none is a verdict on any one car.

71 complaints 24% of this model year’s

What owners filed about the transmission and drivetrain

Source: NHTSA complaint database
71complaints name the transmission and drivetrain

0 of the 71 reports a crash · 0 a fire · 0 injuries. Self-reported, unverified.

Filed per year: 2020: 1 · 2021: 16 · 2022: 9 · 2023: 16 · 2024: 10 · 2025: 8 · 2026: 11

Too few of these complaints carry an odometer reading to say when the problem shows up.

24%of this model year’s complaints

292 complaints in all about the 2021 Jeep Gladiator, 11 filed in 2026. The whole picture, every system →

Counts are owner reports to NHTSA, not verified defects, and scale with how many of these were sold; nothing here is a rate. NHTSA groups complaints coarsely, so “Power Train” means the same area of the vehicle, not one fault.

Across model years: Jeep Gladiator transmission and drivetrain problems, every year on file →

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In owners’ own words

Source: NHTSA complaint database

Filed with NHTSA by the people who own these cars, about the transmission and drivetrain. Quoted as written, with anything identifying removed; unverified reports — what was said, not a finding that it was true.

Right rear axle seal leak causing oil to go onto brake pads Oil leak from shock absorber reservoir
Power Train Dec 17, 2021 NHTSA owner report
Leakage of oil from rear passenger side axle seal. Vehicle was purchased new in March 2021 and leak discovered in September 2021
Power Train Sep 23, 2021 NHTSA owner report
Leaking rear passenger axle seal. Axle lubricant is spun all around the inside of the wheel and hub assembly; including break pads and caliper
Power Train Sep 21, 2021 NHTSA owner report
Right rear axle seal leaking fluid onto the brake rotor, caliper, pads and wheel. From research this appears to be a common problem with this model year with numerous owners reporting that dealerships are replacing the entire axle assembly on that side
Power Train Aug 25, 2021 NHTSA owner report
Right Rear axle seal is leaking fluid after only 3,500 miles and 3 months of ownership. This axle fluid is leaking onto the brake rotor and the wheel
Power Train Aug 24, 2021 NHTSA owner report

What is on file about the transmission and drivetrain

Source: NHTSA recalls, investigations and manufacturer communications

Recalls filed under this heading

84 manufacturer bulletins filed under this heading

The 0 newest are listed; every one is on the model year’s page. Quote the document number at a service desk — it is a diagnosis the maker has already written down.

Trouble codes named on this system

P0300 P08A6 P2100 P0513 P016F P0733

Codes a bulletin or an owner’s complaint about the 2021 Jeep Gladiator names on this model year; a code with a record of its own links it.

Other systems with a record on the 2021 Jeep Gladiator

Source: the same files
From here

Common questions

Source: NHTSA complaint database, recalls and manufacturer communications

Are transmission and drivetrain problems common on the 2021 Jeep Gladiator?

They are documented: NHTSA holds 71 owner complaints naming the transmission and drivetrain on this model year (24% of everything owners filed about it), and 84 manufacturer bulletins, 3 recalls are filed under the same heading. Whether it is a problem on one particular car is a diagnosis, not a count, and a count says nothing about how many were sold.

Is there a recall for the transmission and drivetrain on the 2021 Jeep Gladiator?

Yes — 3 campaigns are filed under this heading: 24V572000, 23V116000, 21V028000. A recall is matched by VIN; check yours at nhtsa.gov/recalls.

When do transmission and drivetrain problems show up on the 2021 Jeep Gladiator?

Too few of the complaints carry an odometer reading to say. The model year's page shows the mileage curve across every system where it can.

What does NHTSA's "Power Train" heading cover?

The transmission, transfer case, driveshafts, axles and differentials — NHTSA files them under one heading. Owners choose the heading when they file, so it says which area of the vehicle the complaint is about, not which part failed.