Vehicle Data Hub

2021 Jeep Wrangler electrical system problems

Owners reported electrical system problems in 309 complaints for the 2021 Jeep Wrangler, 19% of the complaints on file. It is the most reported problem area for this model year.

At a glance

Complaints
309 20% of this year's complaints
Typical mileage
24,000 miles 31 complaints with mileage
Crashes and fires
7 and 13
Injuries and deaths
2 and 0

Source: NHTSA owner complaints

When electrical system problems show up

Electrical system complaints by mileage, 2021 Jeep Wrangler Complaints by odometer reading in 20,000-mile steps. The median is about 24,000 miles. 0k to 20k miles: 11 complaints 20k to 40k miles: 11 complaints 40k to 60k miles: 4 complaints 60k to 80k miles: 4 complaints 80k to 100k miles: 1 complaints 100k to 120k miles: 0 complaints 120k to 140k miles: 0 complaints 140k to 160k miles: 0 complaints 160k to 180k miles: 0 complaints 180k to 200k miles: 0 complaints 200k+ miles: 0 complaints 040k80k120k160k200k miles Typical: 24,000 miles
Based on 31 complaints that include mileage. 84% were reported before 60,000 miles. The amber marker shows the median: half of these complaints happened before that mileage.
View the numbers
MileageComplaints
0k to 20k miles11
20k to 40k miles11
40k to 60k miles4
60k to 80k miles4
80k to 100k miles1
100k to 120k miles0
120k to 140k miles0
140k to 160k miles0
160k to 180k miles0
180k to 200k miles0
200k+ miles0

What the data shows

Of the 31 electrical system complaints that report mileage, the median is about 24,000 miles, and 84% were reported before 60,000 miles.

These complaints mention 7 crashes, 13 fires, 2 injuries.

What owners wrote

The contact owned a 2021 Jeep Wrangler. The contact stated that while driving on the highway at 45 MPH, the instrument panel cluster went out and the vehicle experienced a slight loss of automotive power, and the front headlights failed, the contact was then involved in a head on collision, where the front passenger side was impacted. The vehicle came to a stop upon impact. The air bags were deployed. The vehicle was towed to a junk yard. A police report was filed. The vehicle was destroyed.

Reported at 60,000 miles, May 2026 CrashInjury

The contact owns a 2021 Jeep Wrangler. 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 vehicle was taken to a local dealer, where an engine oil replacement was performed, and the High-Voltage Battery was replaced. Upon further inspection, the local dealer diagnosed the High-Voltage Battery replacement as a failure.

Reported at 45,000 miles, January 2026

Other problems reported for the 2021 Jeep Wrangler

Electrical system problems in other years

Electrical system problems across all Jeep models