Gear Ratio DTC?s, Transmission Shift Concerns, Does Not Shift At Times, Shudders
full bulletin at NHTSA ↗2015 RAM ProMaster 2500 powertrain problems
moderate Owners of the 2015 RAM ProMaster 2500 have filed 9 NHTSA complaints about the powertrain at roughly $2,500 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See powertrain across all vehicles →
Complaints
9
Recalls
0
Avg fix
$2,500
When does it fail?
Of the 9 powertrain complaints filed for the 2015 RAM ProMaster 2500, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
Powertrain accounts for 39% of every owner complaint on file for this vehicle — the dominant problem area across 4 categories tracked.
No new NHTSA powertrain complaint has been filed on this vehicle in over 6 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering powertrain on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Transmission Kit with Torque Converter 1. All Promaster (VF) 3.6L/62TE equipped vehicles. If the transmission bracket to the transmission case fasteners are removed during servicing, the fasteners (Part Number 06511385A$) are one-time usage. Vehicles built prior to 10/23/2015 requires Service Kit PN 68461214AA; includes Transmission Isolator PN 68264483AA, and Adaptation Bracket 68264479AA and Fastener Service Kit PN 68329056AA Vehicles built after on or after 10/23/2015 will require only the Fastener Service Kit PN 68329056AA. 2. All 3.6L/62TE equipped vehicles. If the vehicle you are repairing has a crack in the flex plate or failed pump bushing inspect and confirm that both (2) dowel pins
full bulletin at NHTSA ↗Power Transfer Unit
full bulletin at NHTSA ↗Transmission ? With Torque Converter
full bulletin at NHTSA ↗Job aid - If you have a suspected TC shudder/vibration, check the Interactive Network for Service Bulletins for the vehicle you are working on. A test-drive snap shot may help you isolate the source of the issue.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 7 most recent
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.…
The contact owns a 2015 Ram 2500. The contact stated while driving approximately 35-40 MPH, the accelerator pedal was depressed; however, the vehicle failed to respond. An unknown warning light was illuminated. The contact then turned around and returned to his residence. The contact stated upon parking and turning off the vehicle, the cooling fan remained engaged. An independent mechanic arrived…
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.
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…
This is a VIN # correction to complaint number 10967663 filed about 1 hour earlier. The incidences of drivetrain failures took place starting at 24,000 miles in jan 2016, june 2016 and august 2016.
The coupler between the motor and the transmission has repeatedly failed; also, the a/c continually leaks as the high pressure hose from condensor to compressor is too short. Attached is the purchase invoices from the most recent two zenith shuttles and other supporting documents on the zenith drivetrain issues which are also supported in the other two filed complaints of #: 10967663, 66 and 68…
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.
Had powertrain trouble with your 2015 RAM ProMaster 2500?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the powertrain problem on the 2015 RAM ProMaster 2500?
It's a documented issue but not catastrophic. 9 complaints have been filed. Repairs average $2,500 and most owners catch it before it causes a breakdown.
At what mileage does the powertrain typically fail?
Based on the 9 complaints filed, powertrain issues most often appear around 69,636 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $2,500 for powertrain repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to powertrain?
No active recalls currently cover powertrain issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2015/RAM/ProMaster 2500.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.