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Transmission and drivetrainPart report

2018 Ram Promaster Transmission and drivetrain Problems

Complaints
7about this part
Share
18%of 38 total for the year
Median mileage
22,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 7 complaints about the transmission and drivetrain of the 2018 Ram Promaster, 18% of the 38 complaints for this model year. Where a mileage was given, the median is 22,000 miles. 2 of these say a crash was involved, according to the filers. 2 recall campaigns on record are filed under a similar system.

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.

“There are 2 outstanding recalls with no response from dodge or dealer for: vb2/NHTSA 19v-818 (15nov2019) -engine cooling fan and w00/NHTSA 20v-036 (23 jan 2020) -shift cable recalls, the dealer larson dodge puyallup, wa has been unresponsive. I am still paying pymts and afraid to drive the van. There are no updates to the recall parts/corrective actions. There has been no other updates or correspondence from dodge re: these recalls and what I cancan't do with the van (drive it, or not; under what conditions, etc...).”

NHTSA complaint #11325763, filed 2020-05, 15,000 miles

“Our 2018 Promaster van was idling in our driveway in park, no emergency brake on as I ran across the front of it to grab a shirt/pants for the cleaners. It was hot and wanted the van to cool off in august in el dorado hills, ca. The van which was pointing downhill towards our backyard and I was in the house and back out in 30 seconds and the van moved on itself down the hill, through the backyard into my neighbors property into a oak tree. When I got down with my neighbor, a retired policemen, verified it was still in park. …”

NHTSA complaint #11318699, filed 2020-03, 29,000 miles

“I was Driving down the highway at 45-50 mph when the truck suddenly the engine started to rev very high approximately 5000-5500 rpm and the truck lost all Drive gears. I immediately put it in neutral and tried again to put it in drive and nothing happened. I immediately pulled over to the shoulder and shut the truck off. I waited and restarted the truck but the truck did not have any movement in any gear. I had to get it Towed to a local shop.”

NHTSA complaint #11646886, filed 2025-03

“The contact owns a 2018 Ram Promaster. When the vehicle was started and shifted into drive, the gear downshifted without warning. Also, the check engine warning indicator illuminated. The vehicle was not diagnosed or repaired. The dealer and manufacturer were not made aware of the failure. The failure mileage was 11,000.”

NHTSA complaint #11209739, filed 2019-05, 11,000 miles

“The contact owns a 2018 Ram Promaster 1500. The contact stated that while driving at an undisclosed speed, the service Hill Holder, Electronic Stability Control and check engine warning lights illuminated. The vehicle was taken to a local dealer where it was diagnosed with codes HAF, DTC, P0740, TCC clutch performance, and metal debris found in the transmission fluid. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 85,000.”

NHTSA complaint #11619797, filed 2024-10, 85,000 miles

Related recalls

Related service bulletins

Transmission and drivetrain: other model years

YearComplaintsShare of year
202344%
202223%
20211312%
20201024%
20192440%
2018718%
20171425%
2016824%
20151220%
20141420%

Other parts of the 2018 Ram Promaster

Electrical system
11 complaintsEngine
11 complaintsOther or unknown
7 complaintsVisibility (wipers, defrost, mirrors)
4 complaintsBrakes
3 complaintsSteering
2 complaintsBody and structure
2 complaintsTires
2 complaintsAir bags
1 complaintsElectronic stability control
1 complaintsEngine cooling
1 complaintsExterior lighting
1 complaints

← All problems reported for the 2018 Ram Promaster

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 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