2021 Jeep Wrangler Transmission & Power Train Problems
NHTSA component category: POWER TRAIN · data through 07/14/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How power train ranks on this vehicle
Share of the 889 complaints citing each category; one complaint can cite several. Full breakdown on the 2021 Jeep Wrangler overview page.
What owners report
“On 9/16/21, my vehicle dangerously lost power, following a very loud sound and a violent shudder. Power for braking and steering was lost. The vehicle…”NHTSA complaint 11433716 — filed 09/20/2021
“While driving the Jeep on the freeway, it shut off out of nowhere and came to a very quick halt. It nearly caused a major…”NHTSA complaint 11427834 — filed 08/05/2021
“This vehicle is a plug-in hybrid Jeep Wrangler. On July 31, 2021 while returning home from vacation and driving at highway speeds (65mph +/-), the…”NHTSA complaint 11427795 — filed 08/04/2021
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Power Train complaints by year filed
Frequently asked questions
Does the 2021 Jeep Wrangler have transmission & power train problems?
Power Train is the #5 most-reported problem area on the 2021 Jeep Wrangler: 134 of 889 complaints on file (15.1%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2021 Jeep Wrangler have in total?
889 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 19 involved a crash, 25 involved a fire, 12 reported injuries, and none reported deaths.
What does NHTSA's power train category include?
NHTSA groups complaints about the transmission (automatic or manual), driveline, axles, transfer case and related parts under a single component category called POWER TRAIN. This page reports that category as NHTSA defines it.
