2021 Dodge Durango electrical system problems

40 owner complaints filed with NHTSA name the electrical system on the 2021 Dodge Durango — 20% of all complaints for this model year.

Electrical System complaints

20%

share of all complaints

—

median reported incident mileage

3 / 1

crash / fire reports

What owners report

“There is a daytime running light (DRL) malfunction with both headlights, it started with the drivers side slowly going out and now the passenger side is slowly going out. This is happening to several Dodge Durango owners of the 2021 model and can be found in the Dodge Durango forum online. The…”
filed Aug 20, 2026
“Rear racetrack style taillight assembly had faulty gaskets when purchased, allowing for water intrusion of the taillight assembly, causing water damage to the electrical components in the light assembly and shorting the LED Lights.”
filed Jun 26, 2026

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

Telematics Box Module (TBM) Firmware Over The Air Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Codes (DTCs): ●…
08-294-26 · Service Bulletin/Repair Instructions · issued Jul 25, 2026
Uconnect® Screen Turns Blank Or Black Customers may experience the following: SYMPTOM: ● The Uconnect® screen display goes blank/black at times.
08-256-26 · Service Bulletin/Repair Instructions · issued Jul 1, 2026