Electrical System Related Problems of the 2021 Jeep Wrangler

Table 1 shows five common electrical system related problems of the 2021 Jeep Wrangler. The number one most common problem is related to the electrical system (259 problems). The second most common problem is related to the propulsion system traction battery (two problems).


Recently reported Electrical System problems of the 2021 Jeep Wrangler

The Electrical System problem

My engine light came on shortly after my first warranty oil change August 23,2025 at the tonkin hillsboro dealership. During my 2nd warranty oil change January 9,2026 at tonkin hillsboro dealership I let them know my engine light came on after their last service and they wanted to charge me the   Read details...

The Propulsion System Traction Battery problem

See attached document for complaint   Read details...

The Propulsion System Charging Cable/cord Accessory problem

See attached letter   Read details...


Electrical System related problems in other Jeep Wrangler model year vehicles:



Wrangler Service Bulletins
Wrangler Safety Recalls
Wrangler Defect Investigations