2015 RAM Promaster City power train problems
15 owner complaints filed with NHTSA name the power train on the 2015 RAM Promaster City — 56% of all complaints for this model year.
What owners report
“The contact owns a 2015 Ram Promaster City. The contact stated while operating the vehicle, the message "Service Hill Holder" remained illuminated, and the vehicle experienced harsh driving and would not properly shift into gear. The vehicle was taken to the local dealer who reprogrammed the PCM…”
filed Jan 2, 2025
“Tcm module lost communication from the battery . Causing the car to shift to neutral at stop. Yes it was fixed in 2016 but not fixed correctly . The wires are still corroded . There was a transmission info light came on and went to limp mode”
filed Oct 11, 2021
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
MIL/check engine lamp comes on after performing U90 recall PCM software update.
S2325000007 · Service Bulletin/Repair Instructions · issued Sep 16, 2023
Power Train problems in other Promaster City years
| Year | Reports | Share |
|---|---|---|
| 2016 Promaster City | 7 | 28% |
Other reported problem areas on the 2015 RAM Promaster City
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.