How many fuel system complaints does the 2012 Dodge Ram 2500 have?

NHTSA lists 34 Fuel System complaints for the 2012 Dodge Ram 2500, which is 12% of the 283 total complaints filed for the year.

Is there a recall related to the fuel system on the 2012 Ram 2500?

The JSON provided does not list a formal related recall entry, but several sample complaints reference NHTSA campaign number 14v635000 covering the engine, engine cooling, and diesel fuel system.

At what mileage do fuel system problems typically show up?

The median mileage at failure for fuel system complaints on this model year is 35,000 miles.

Did the fuel system issue cause any fires?

Yes, NHTSA data shows 2 fires reported among the complaints in this area, with no crashes or injuries recorded.

2012 Dodge Ram 2500 Fuel System Problems

Owners filed 34 Fuel System complaints for the 2012 Dodge Ram 2500, 12% of all complaints for the year, with a median failure mileage of 35,000. Most describe a diesel fuel heater issue tied to NHTSA campaign 14v635000, with reports of fuel vapors, smoke, and two fires.

Fuel System complaints: 34; 12% of 283
Crashes reported: 0
Fires reported: 2
Injuries reported: 0
Median mileage: 35,000 mi
Related recalls: 0

Typical fuel system symptoms owners report

Owners report fuel vapors and smoke coming from the air vents while driving at various speeds.
Multiple owners describe a diesel fuel heater electrical connector that can leak diesel and lead to smoke or fire under the hood, tied to NHTSA campaign 14v635000.
Several complaints describe long waits for recall repair parts, with dealers unable to say when a fix would be available.
One owner reported an active engine code (P2609) linked to the fuel heater recall issue that Chrysler would not resolve under warranty.
A CNG/gasoline dual-fuel truck owner reported the computer program switching to gasoline too often instead of using the installed CNG tanks.
One report describes the throttle failing to disengage at highway speed, forcing hard braking before the vehicle downshifted back to idle.

When 2012 Dodge Ram 2500 fuel system complaints were filed

First complaint Jul 19, 2013, latest Jan 4, 2026.

34 complaints filed with NHTSA from Jul 2013 to Jan 2026; peak Mar 2015 (7).

Fuel System recalls for the 2012 Dodge Ram 2500

No safety recalls on record for this model year.

Fuel System complaints by Ram 2500 model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

200520 (5%)
200620 (3%)
200717 (5%)
20087 (2%)
20096 (3%)
201010 (4%)
201121 (7%)
201234 (12%)

Frequently asked questions

How many fuel system complaints does the 2012 Dodge Ram 2500 have?: NHTSA lists 34 Fuel System complaints for the 2012 Dodge Ram 2500, which is 12% of the 283 total complaints filed for the year.
Is there a recall related to the fuel system on the 2012 Ram 2500?: The JSON provided does not list a formal related recall entry, but several sample complaints reference NHTSA campaign number 14v635000 covering the engine, engine cooling, and diesel fuel system.
At what mileage do fuel system problems typically show up?: The median mileage at failure for fuel system complaints on this model year is 35,000 miles.
Did the fuel system issue cause any fires?: Yes, NHTSA data shows 2 fires reported among the complaints in this area, with no crashes or injuries recorded.