2015 RAM 1500 Fuel System, Diesel Problems

Source: NHTSA · Updated Oct 15, 2026 · 67 complaints analyzed

Owners have filed 67 complaints with NHTSA about fuel system, diesel problems on the 2015 RAM 1500, 5% of all complaints for this model year. Half of the reports with a mileage happened before 125,000 miles. The words owners use most often: “motive power” (18% of reports).

What owners describe

Phrases that appear unusually often in these complaints compared with complaints about other cars.

  • Motive power: mentioned in 12 of 67 complaints (18%)
  • High pressure: mentioned in 9 of 67 complaints (13%)
  • Fuel diesel contacted: mentioned in 8 of 67 complaints (12%)
  • Limp mode: mentioned in 8 of 67 complaints (12%)

At what mileage do fuel system, diesel problems happen?

Based on 41 complaints that reported the odometer reading.

Under 10k miles0 · 0%
10k–25k miles0 · 0%
25k–50k miles1 · 2%
50k–75k miles2 · 5%
75k–100k miles6 · 15%
100k–150k miles20 · 49%
150k+ miles12 · 29%

How serious are the reports?

None of the 67 complaints report a crash, fire or injury.

RAM 1500 fuel system, diesel complaints by model year

Peak: 2016, with 81 complaints
2014: 442014442015: 672015672016: 812016812017: 312017312018: 522018522019: 172019172020: 2202022021: 3202132022: 202022202023: 220232

n = 319 complaints · Source: NHTSA

Model yearFuel System, Diesel complaintsShare of that yearMedian miles
2023 150021%10,360
2022 1500203%31,000
2021 150030%49,500
2020 150020%51,250
2019 1500171%43,000
2018 1500528%78,000
2017 1500314%74,661
2016 1500815%112,000
2015 1500675%125,000
2014 1500442%140,000

When owners reported it

Peak: 2023, with 29 complaints
2022: 7202272023: 292023292024: 212024212025: 5202552026: 520265

n = 67 complaints · Source: NHTSA

Related recalls (1)

Fuel system, diesel:delivery:fuel pumpJun 9, 2022 · NHTSA campaign 22V406000 · 138,645 vehicles

Problem: 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.

Risk: Fuel starvation may result in an unexpected loss of drive power, increasing the risk of a crash.

Fix: Dealers will replace the HPFP, and inspect and replace, if necessary, additional fuel system components, free of charge. Interim notification letters informing owners of the safety risk were mailed July 21, 2022. Owner notification letters for were mailed for Jeep Grand Cherokee owners starting January 11, 2024. Owner notification letters for Ram 1500 owners were mailed March 7, 2024. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLS's number for this recall is Z46.

What owners report

Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.

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…

Received Sep 29, 2026 · NHTSA complaint 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…

Received Aug 28, 2026 · NHTSA complaint 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…

Received Aug 24, 2026 · NHTSA complaint 11759012

Frequently asked questions

Do all 2015 RAM 1500s have fuel system, diesel problems?

No. NHTSA has 67 owner complaints about fuel system, diesel for the 2015 RAM 1500 (5% of the 1,459 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.

Was there a recall on the 2015 RAM 1500 fuel system, diesel?

Yes: 1 safety recall list fuel system, diesel. Check your VIN on NHTSA.gov to see whether the fix was done on your car.

At what mileage do fuel system, diesel problems start?

The median reported mileage is 125,000 miles: half of the reports with a mileage came before that.

What do owners say about fuel system, diesel problems on the 2015 RAM 1500?

The most frequent phrase is “motive power”, in 12 of 67 complaints, followed by “high pressure” (9).

Other 2015 RAM 1500 problems

See all 2015 RAM 1500 problems or fuel system, diesel problems across all 1500 years.