2021 Jeep Wrangler electrical system problems

What owners report

• “The contact owns a 2021 Jeep Wrangler. The contact stated that while operating the vehicle, the engine overheated, and the vehicle was driving sluggishly with the temperature gauge indicating that the engine was overheating. The vehicle was taken to an independent mechanic who determined that the…”

  filed Aug 20, 2026

• “When using electric mode, repeatedly and consistently, when I try to accelerate (for example to get onto a highway) despite having the acceleration fully depressed, the car does not accelerate. After some time, the gas powered engine will rev, the RPM will shoot up and then the car will start to…”

  filed Aug 19, 2026

Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.

Related recalls

• High voltage battery may fail internally and lead to a vehicle fire while parked or…
  Campaign 25V741000 · Oct 30, 2025
• Instrument panel cluster may experience an internal short circuit and fail
  Campaign 24V652000 · Sep 5, 2024
• High voltage battery may fail internally and lead to a vehicle fire while parked or…
  Campaign 23V787000 · Nov 22, 2023

Related service bulletins

• EMISSION RECALL – NORTH AMERICA Check Engine/Malfunction Indicator Lamp 16C The instrument panel cluster on about 32,587 of the above vehicles may have an inoperable check engine/malfunction indicator lamp (CEL/MIL)…

  16C Combo Rev3 · Warranty Program/Extension · issued Aug 6, 2026

• Motor - blower with wheel

  112862 · Service Bulletin/Repair Instructions · issued Jun 23, 2026

Electrical System problems in other Wrangler years

Other reported problem areas on the 2021 Jeep Wrangler