2015 RAM Promaster 2500 problems & reliability
23 owner complaints filed with NHTSA for the 2015 RAM Promaster 2500. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
Federal crash records (FARS 2020–2023): 2015 RAM Promaster 2500 vehicles were involved in 3 fatal crashes with 2 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Power Train → | 11 | 48% |
| Engine | 6 | 26% |
| Electrical System | 5 | 22% |
| Exterior Lighting | 3 | 13% |
| Fuel/propulsion System | 3 | 13% |
| Service Brakes | 3 | 13% |
| Unknown OR Other | 3 | 13% |
| Suspension | 2 | 9% |
| Electronic Stability Control (esc) | 1 | 4% |
| Engine and Engine Cooling | 1 | 4% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
All 13 reported components →Complaints by incident year
What owners report
“The contact owns a 2015 Ram Promaster 2500. The contact stated that while his client was driving at an undisclosed speed, the vehicle was shudder abnormally, prompting him to pull over to the shoulder of the roadway. No warning lights were illuminated. The vehicle was taken to an independent mechanic, who determined…”
Equipment · filed Sep 28, 2023
“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…”
Electrical System · filed May 9, 2022
“In 2018 we had a major radiator problem, fan, fluid, hoses all blew all over a customers driveway. This was the final straw after being stranded and towed several times to the dealership with only 26k miles on the truck. Finally, raised enough fight and called chrysler/dodge and they opened a case and fixed problem…”
Engine · filed Apr 14, 2021
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
184 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2015 RAM Promaster 2500. The 10 most recent:
wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK
1804823 · Service Bulletin/Repair Instructions · issued Apr 15, 2023
Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes (DTCs), or Battery Warning…
S1408000384 · Service Bulletin/Repair Instructions · issued Feb 14, 2023
Approved Use of Weld Through Primers This bulletin documents the FCA US LLC position regarding the use of weld through primer when using Squeeze Type Resistance Spot Welding (STRSW) and Gas Metal Arc Welding (GMAW)…
3100122 · Service Bulletin/Repair Instructions · issued Aug 19, 2022
Approved Use of Weld Through Primers This bulletin documents the FCA US LLC position regarding the use of weld through primer when using Squeeze Type Resistance Spot Welding (STRSW) and Gas Metal Arc Welding (GMAW)…
3100122 · Service Bulletin/Repair Instructions · issued Aug 19, 2022
Approved Use of Weld Through Primers This bulletin documents the FCA US LLC position regarding the use of weld through primer when using Squeeze Type Resistance Spot Welding (STRSW) and Gas Metal Arc Welding (GMAW)…
3100122 · Service Bulletin/Repair Instructions · issued Aug 19, 2022
If a Mopar oil filter is not available, use a filter that meets or exceeds USCAR36 specification and is compatible with semi and full synthetic oils.
S2209000004 · Service Bulletin/Repair Instructions · issued Apr 2, 2022
No Start, Cannot Complete Module Replace, Proxi Or Module Proxi Configuration
S2108000163 · Service Bulletin/Repair Instructions · issued Jul 9, 2021
No Start, Cannot Complete Module Replace, Proxi Or Module Proxi Configuration
S2108000163 · Service Bulletin/Repair Instructions · issued Jul 9, 2021
Issue involves overheating, running hot, coolant leaks and related symptoms after a Mopar replacement engine has been installed in the vehicle.
S2109000004 · Service Bulletin/Repair Instructions · issued Jul 6, 2021
Issue involves overheating, running hot, coolant leaks and related symptoms after a Mopar replacement engine has been installed in the vehicle.
S2109000004 · Service Bulletin/Repair Instructions · issued Jul 6, 2021
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
No NHTSA recall campaigns name the 2015 RAM Promaster 2500 in our current data. Recalls may apply only to certain VIN ranges — always confirm with a VIN check.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2015 RAM Promaster 2500?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.