Problems · by component

2015 Ram 1500 fuel system, diesel problems

67 owner complaints to NHTSA about the 2015 Ram 1500 cite fuel system, diesel, 5% of all 1,460 complaints for this model year. NHTSA also lists 1 recall on this component.

Complaints
67
5% of all complaints
Crashes
0
Reported by owners
Fires
0
Reported by owners
Injuries
0
Reported by owners
01 —Owner reports

What owners say about the fuel system, diesel

Verbatim from NHTSA complaints, newest first
“The contact owns a 2015 Ram 1500. The contact stated that the vehicle was repaired under NHTSA Campaign Number: 22V406000 (Fuel System, Diesel); however, the fuel system regulator had metal shavings inside. The contact stated that while driving approximately 55 MPH, diesel fuel was leaking into the interior engine oil and black smoke was leaking from the exhaust, and the vehicle went into LIMP Mode. The "Electronic Throttle System" message was displayed. The vehicle was towed back to the same local dealer, where it was diagnosed with a PCM failure and it was determined that the fuel system regulator needed to be replaced. The vehicle was repaired under recall warranty; however, the failure recurred. The vehicle was towed back to the same local dealer, where it was determined that two fuel injectors, two fuel rails, and the fuel pump needed to be replaced. The vehicle was repaired; however, the failure recurred and the vehicle was diagnosed as needing a computer replacement. The manufacturer was made aware of the failure. The failure mileage was approximately 168,000.”
Owner complaint to NHTSAFiled Sep 29, 2026Fuel system, dieselODI 11767814
“The contact owns a 2015 Ram 1500. The contact stated that after the vehicle was serviced under NHTSA Campaign Number: 22V406000 (Fuel System, Diesel), the vehicle stalled while driving. After restarting the engine, the vehicle failed to accelerate as intended and would not exceed 15 MPH. The vehicle was taken back to the dealer, where it was diagnosed that the fuel pump and the fuel tank had failed and needed to be replaced. The vehicle was repaired; however, the failure recurred. The manufacturer was notified of the failure, but no assistance was provided. The failure mileage was 158,000.”
Owner complaint to NHTSAFiled Aug 28, 2026Fuel system, dieselODI 11760308
“The contact owns a 2015 Ram 1500. The contact stated that the dealer performed an unknown software update associated with an unknown class-action lawsuit settlement without the owner's consent. Following the software update, the vehicle experienced cooling system failures, including oil intrusion in the coolant reservoir and brown and burnt coolant. The vehicle was taken to the dealer on several occasions and was eventually diagnosed with a turbocharger oil leak. The turbocharger was replaced under warranty; however, the failure persisted. The vehicle was taken back to the dealer several times, and the diesel particulate filter (DPF) was replaced. Additionally, while driving 68 MPH, the vehicle stalled, and the low oil pressure warning light illuminated. The contact pulled over to the side of the road. The vehicle was towed to the dealer, where the engine oil and oil filter were replaced; however, the failure worsened, and the engine made an abnormal knocking sound. The vehicle was taken back to the dealer, and was diagnosed with a blown head gasket, and the engine was replaced; however, the failure persisted, resulting in additional failures, including…”
Owner complaint to NHTSAFiled Aug 24, 2026Engine and engine cooling, Fuel system, dieselODI 11759012
“The contact owns a 2015 Ram 1500. The contact stated that the fuel system was replaced under NHTSA Campaign Number: 22V406000 (Fuel System, Diesel); however, after the repair, the vehicle persistently experienced fuel injector leaks and fuel line failures. The contact stated that while inspecting the vehicle at the residence, a fuel injector leak was noticed along with fuel leaking onto the exhaust. Additionally, the contact noticed thick white smoke emerging from the engine bay on one occasion, suspected a fire hazard, and used a fire extinguisher to dissipate the smoke. The contact stated that while driving 65 MPH, the vehicle entered LIMP Mode and stalled. The contact was able to pull over to the side of the road and verified that a fuel injector had blown. The vehicle was driven to the dealer, who had advised the contact that the vehicle was safe to drive. The contact also stated that a fuel line failed while driving, requiring the vehicle to be towed. The vehicle was taken to the dealer several times, where technicians retrieved diagnostic trouble codes indicating low fuel pressure; however, the contact was informed that no failure was found. The vehicle…”
Owner complaint to NHTSAFiled Jul 15, 2026Fuel system, dieselODI 11750526
“The contact owns a 2015 Ram 1500. The contact stated that while driving approximately 80 MPH with cruise control engaged, the contact heard an abnormal sound. Upon deactivating the cruise control feature, the vehicle stalled. There was no warning light illuminated. The contact was able to pull over to the side of the road, and after opening the hood, the contact noticed an oil leak. The vehicle was towed to Patriot Diesel, where it was diagnosed and determined that the EGR system and fuel system failures had caused catastrophic engine failure, and there was a hole in the engine. The mechanic determined that the engine needed to be replaced. The vehicle was not repaired due to the cost. The contact related the failure to NHTSA Campaign Numbers: 22V406000 (Fuel System, Diesel) and 19V757000 (Engine and Engine Cooling). The manufacturer was notified of the failure and informed the contact that the dealer was at fault. No assistance was provided. The failure mileage was approximately 115,000.”
Owner complaint to NHTSAFiled Feb 25, 2026Engine and engine cooling, Fuel system, dieselODI 11720514
“The contact owns a 2015 Ram 1500. The contact stated that while driving approximately 55 MPH, the vehicle started to hesitate while depressing the accelerator pedal, with the oil and check engine warning lights illuminated. The contact pulled over and attempted to restart the vehicle; however, the vehicle failed to restart. Due to the failure, the contact had the vehicle towed to the residence. The contact used a code reader to diagnose the vehicle and retrieved DTC: P0087 (Fuel Relay Flash System). The system advised the contact to replace the diesel injection pump, fuel pump, and fuel water separator filter. Upon investigation, the contact linked the failure to NHTSA Campaign Number: 22V406000 (Fuel System, Diesel); however, the VIN was not included in the recall. The contact called the dealer and left a message. The manufacturer was not notified of the failure. The failure mileage was approximately 122,000.”
Owner complaint to NHTSAFiled Dec 3, 2025Fuel system, diesel, EngineODI 11702790

Showing 6 of 67 reports. Read every report on NHTSA.gov.

Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 3, 2026NHTSA vehicle page
02 —Related recalls

1 recall on this component

Fuel system

Remedy pending

Chrysler (FCA US, LLC) is recalling certain 2014-2020 Jeep Grand Cherokee, and 2014-2019 Ram 1500 vehicles equipped with 3.0L diesel engines. A high pressure fuel pump (HPFP) failure may introduce internal debris into the fuel system, potentially resulting in fuel starvation.

Fuel system, dieselReported Jun 9, 2022NHTSA 22V406000
Data from NHTSA Recalls API · synced Nov 3, 2026

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.