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Transmission and drivetrainPart report

2015 Ram Promaster 2500 Transmission and drivetrain Problems

Complaints
11about this part
Share
48%of 23 total for the year
Median mileage
52,630miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 11 complaints about the transmission and drivetrain of the 2015 Ram Promaster 2500, 48% of the 23 complaints for this model year. Where a mileage was given, the median is 52,630 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“The coupler between the motor and the transmission has repeatedly failed; also the very first axle was failing and was replaced. The attached is a description of our efforts to get zenith to support the vehicles; however, they have refused to give us support. We are a commercial operator with courtesy passenger shuttles for movement of people to and from our parking lot and to the san diego airport. We are a ground transportation off airport parking operator. The shuttles have broke down to and from route during operation. …”

NHTSA complaint #10967663, filed 2017-03, 24,000 miles

“2015 Ram promaster diesel 2500 with 72000 miles. Vehicle was in excellent condition, well maintained, with oil changes per factory recommendations. While driving at highway speeds of 70 -75 MPH, without warning there was a sudden and hard thud in the engine compartment and the vehicle began slowing very rapidly, as if brakes were being applied. I immediately pulled over to the side of the road. As the vehicle slowed and came to a stop, there was significant smoke and steam rising from the engine compartment. I was concerned that the vehicle was on fire, but it was not. …”

NHTSA complaint #11245363, filed 2019-08, 72,000 miles

“Loss of power/ acceleration more than 10 times in 2 days. Resulting in having to come to a complete stop in the middle of the highway, unable to pull over to the shoulder. The vehicle seems to have constant issues when the weather is cold. The vehicle is currently in the repair facility for these current issues.”

NHTSA complaint #11179948, filed 2019-02, 154,000 miles

“The coupler between the motor and the transmission has repeatedly failed; also, the axle has failed twice, the last axle failure the shaft split in half and part of it ended up in the gear box. The A/C continually leaks as the high pressure hose from condensor to compressor is too short. The attached is a lawsuit that zenith filed in june 2016 over it's repeated drive train failures, alleging borg warner at fault. …”

NHTSA complaint #10967666, filed 2017-03, 16,000 miles

“Saw online shows there a recall on the transmission on model 2014-2015. My van has the same issue on the transmission. Its defendtly qualify. But base on my VIN number its not qualify. Still park infront of my house, something is gone wrong. Checked with a mechanic. They mentioned that there should be a recall on my van. Nhtsa campaign number is 16v529000.”

NHTSA complaint #11406750, filed 2021-04

Related service bulletins

Transmission and drivetrain: other model years

YearComplaintsShare of year
20151148%

Other parts of the 2015 Ram Promaster 2500

Engine
6 complaintsElectrical system
5 complaintsBrakes
3 complaintsExterior lighting
3 complaintsFuel system
3 complaintsOther or unknown
3 complaintsSuspension
2 complaintsElectronic stability control
1 complaintsEngine cooling
1 complaintsEquipment
1 complaintsBody and structure
1 complaintsVehicle speed control
1 complaints

← All problems reported for the 2015 Ram Promaster 2500

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology