Dodge RAM 2500 Engine and Engine Cooling Problems

Source: NHTSA · Updated Sep 20, 2026 · 265 complaints analyzed

Owners have filed 265 complaints with NHTSA about engine and engine cooling problems on the Dodge RAM 2500 across 18 model years. The 2001 model year has the most (26).

How much does it cost to fix?

Owners who wrote down what they paid or were quoted put the typical engine and engine cooling repair on the Dodge RAM 2500 at $3,350, and half of them between $1,100 and $8,000.

Based on 14 NHTSA complaints about this problem alone that state a repair bill or quote (2002–2010), converted to 2026 dollars with the U.S. consumer price index. These are owners' own figures, not a quote: they include dealer quotes, and owners who file complaints often faced larger repairs, so they can run higher than typical shop prices. Prices vary by shop, region and warranty coverage. How we calculate this.

At what mileage do engine and engine cooling problems happen?

Based on 178 complaints that reported the odometer reading.

Under 10k miles43 · 24%
10k–25k miles25 · 14%
25k–50k miles36 · 20%
50k–75k miles27 · 15%
75k–100k miles16 · 9%
100k–150k miles19 · 11%
150k+ miles12 · 7%

How serious are the reports?

Of 265 complaints, 4 mention a crash, 27 a fire, 5 an injury.

Dodge RAM 2500 engine and engine cooling complaints by model year

Peak: 2001, with 26 complaints
1995: 121995121996: 14141997: 151997151998: 13131999: 241999242000: 12122001: 262001262002: 882003: 152003152004: 24242005: 132005132006: 11112007: 202007202008: 23232009: 9200992010: 662011: 112011112012: 99

n = 265 complaints · Source: NHTSA

Model yearEngine and Engine Cooling complaintsShare of that yearMedian miles
2012 RAM 250093%48,500
2011 RAM 2500114%24,375
2010 RAM 250063%12,419
2009 RAM 250094%10,000
2008 RAM 2500237%15,545
2007 RAM 2500206%18,622
2006 RAM 2500112%31,750
2005 RAM 2500133%23,500
2004 RAM 2500244%25,650
2003 RAM 2500152%20,500
2002 RAM 250085%53,000
2001 RAM 2500266%100,000
2000 RAM 2500126%88,000
1999 RAM 2500248%96,946
1998 RAM 2500136%95,500
1997 RAM 2500157%68,485
1996 RAM 2500145%113,000
1995 RAM 2500124%46,966

When owners reported it

Peak: 2005, with 37 complaints
1996: 119961997: 51998: 519981999: 142000: 520002001: 142002: 1220022003: 102004: 2320042005: 37372006: 1420062007: 92008: 2020082009: 182010: 1520102011: 232012: 1020122013: 32014: 420142015: 142016: 220162018: 12019: 120192020: 12021: 120212023: 12024: 120242025: 1

n = 265 complaints · Source: NHTSA

Related recalls (2)

Engine and engine cooling:engine:diesel; fuel system, dieselOct 8, 2014 · NHTSA campaign 14V635000 · 315,325 vehicles

Model years: 2010, 2011, 2012

Problem: Chrysler Group LLC (Chrysler) is recalling certain model year 2010-2014 Ram 2500, 3500, 4500, and 5500 trucks manufactured March 27, 2009, to September 5, 2013. In the affected vehicles, the electrical connectors of the diesel fuel heater may overheat.

Risk: If the connectors overheat, the fuel heater may leak fuel, increasing the risk of a fire.

Fix: Chrysler will notify owners, and dealers will replace the harness side connector with a silver plated beryllium copper terminal service kit, and inspect the fuel heater for leaks, replacing it as necessary, free of charge. Chrysler issued interim notification to owners on December 8, 2014. The recall began on April 27, 2015. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is P65.

Engine and engine cooling:engine:dieselDec 5, 2008 · NHTSA campaign 08V641000 · 108,429 vehicles

Model years: 2007, 2008

Problem: Chrysler is recalling 108,429 my 2007-2008 dodge ram 2500 and 3500 pickup trucks equipped with 6.7l diesel engines. A silencer pad can sag and contact the exhaust gas recirculation (egr) cooler.

Risk: This could result in an engine compartment fire.

Fix: Dealers will add a bracket to support the engine compartment silencer pad adjacent to the egr cooler. The recall is expected to begin during december 2008. Owners may contact chrysler at 1-800-853-1403.

What owners report

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

The contact owns a 2009 Dodge Ram 2500. The contact stated that there was an abnormal odor coming from the exhaust at start-up. The check engine warning light was illuminated. The vehicle was taken to a local dealer, where the vehicle was diagnosed, and the contact was informed that the exhaust…

Received Mar 19, 2025 · NHTSA complaint 11649217

The contact owns a 2009 Dodge Ram 2500. The contact stated while operating the vehicle, the check engine warning light remained illuminated, the headlights flashed off and on, and the battery failed to remain charged. The contact diagnosed an electrical ground short, a low voltage to the intake air…

Received Sep 18, 2024 · NHTSA complaint 11615213

The contact owns a 2008 Dodge Ram 2500. The contact stated while driving various speeds, he started to smell exhaust fumes inside the cabin of the vehicle. The contact stated no warning light was illuminated. The vehicle was not diagnosed or repaired. A dealer was not contacted. The manufacturer…

Received Feb 23, 2023 · NHTSA complaint 11508674

Tl* the contact owns a 2010 ram 2500. The contact stated that the exhaust system regeneration required now warning light was illuminated. The vehicle was not taken to a local dealer. The vehicle was not repaired. The manufacturer was informed of the failure and informed the contact that the vin was…

Received May 10, 2021 · NHTSA complaint 11415977

Tl* the contact owns a 2007 dodge ram 2500. The contact stated that while operating the vehicle the odor of diesel fuel was present inside the cabin which had caused respiratory problems for the driver. The contact indicated that the odor was more present while the engine was idling. The vehicle…

Received Apr 1, 2020 · NHTSA complaint 11319910

Frequently asked questions

Do all Dodge RAM 2500s have engine and engine cooling problems?

No. NHTSA has 265 owner complaints about engine and engine cooling for the Dodge RAM 2500. Complaint data shows that the problem is reported, not how many of all cars sold are affected.

Was there a recall on the Dodge RAM 2500 engine and engine cooling?

Yes: 2 safety recalls list engine and engine cooling. Check your VIN on NHTSA.gov to see whether the fix was done on your car.

How much does it cost to fix engine and engine cooling problems on the Dodge RAM 2500?

Owners report a typical cost of $3,350 (half paid between $1,100 and $8,000), from 14 complaints that state a repair bill or quote, in 2026 dollars.

Other Dodge RAM 2500 problems

See all Dodge RAM 2500 problems.