Vehicle Data Hub

2021 Ram Promaster electrical system problems

Owners reported electrical system problems in 19 complaints for the 2021 Ram Promaster, 12% of the complaints on file. It is the 2nd most reported problem area for this model year.

At a glance

Complaints
19 12% of this year's complaints
Crashes and fires
1 and 1
Injuries and deaths
0 and 0

Source: NHTSA owner complaints

What the data shows

These complaints mention 1 crash, 1 fire.

What owners wrote

The contact owns a 2022 Jayco Entegra hauled by a 2021 Ram Promaster 3500. The contact initially heard an alarm sound coming from inside the RV. Upon opening the RV door, heavy, white smoke filled the entire RV. The fire department was called to the scene where they discovered the source of the smoke coming from the RV's battery; however, no flames were seen. The fire department was able to extract the battery from the RV and let the battery air out in an open field until the smoke dissipated.

Reported at 10,589 miles, February 2024 Fire

The contact owns a 2021 Ram Promaster 3500. The contact stated that the screen display was black and the back-over prevention camera was inoperable. Additionally, the speedometer was blinking and causing a distraction. The radio and hands-free calling were inoperable. The contact received notification of NHTSA Campaign Number: 25V552000 (Structure). The contact called an unknown local dealer and was referred to a Dodge dealer for assistance.

Reported at 14,272 miles, November 2025

Other problems reported for the 2021 Ram Promaster

Electrical system problems in other years

Electrical system problems across all Ram models