2012 Dodge RAM 3500 fuel system problems

Filed Sep 4, 2026 · Engine, Fuel system · 259,500 miles · OH · fire

The contact owned a 2012 Dodge Ram 3500. The contact stated that while the vehicle was parked, a fire started under the hood. The fire was extinguished by the fire department. The hood was completely consumed by the fire. The fire department declared the vehicle a total loss. The contact stated that inspection by the fire department declared that the fire was an electrical fire that started on the driver's side under the hood. The contact associated the failure with the federal safety agency Campaign Number: 14V635000 (Engine and Engine Cooling, Fuel System, Diesel); however, the VIN was not included in the recall. The manufacturer was contacted by phone and was made aware of the failure. The failure mileage was approximately 259,500.

Filed Apr 30, 2026 · Engine, Fuel system · AK

Driving my 2012 dodge ram 3500, just as I was crossing one of the busiest intersections in my town my truck lost all power and dropped from 35mph to 5 mph. Barley made it acrossed and pulled over. As soon as I pulled over the engine light comes on, checked code, and U010C lost coms with turbo actuator comes up. Turned truck off and rest code and everything back to normal. About a week later it happened again, luckily not as busy of a spot. Called dealer and soonest appointment was in April. Meanwhile I look up code and see hundreds of post for same issue, bad actuator replace. 28 years as a diesel mechanic for the military, so I found the part online and ordered. Replaced the actuator, drove about 50 miles, light comes back on. Finally get my appointment with dealer and they say my turbo is bad, they want $8k to fix. I ordered the turbo and replaced it myself along with another actuator, test drove. Light still comes on but have not lost power yet?? Dealer is not helping. This is a major issue that is all over the internet! The truck just goes to limp and your in the middle of traffic. If this has not caused an accident it’s only a matter of time before it does. The dealer ship just wants to replace big parts for lots of money. I’m already $2500 into this and still having an issue

Filed Sep 22, 2025 · Airbags, Engine · NC

This truck has had to have several high temp burnoffs because of failures in the EGR and Carbon build up. The recent recall for Rams does not cover the 2012, and began at 2013, however, we are experiencing the same exact issues with the same type of system. In addition, we have had repeated airbag issues due to the positioning of the cockspring and wiring getting choked out.

Filed Mar 11, 2025 · Engine, Fuel system · 202,000 miles · TX

The contact owns a 2012 Ram 3500. The contact stated that while that while the vehicle was in for service, the independent mechanic discovered fuel leaking from the fuel filter heater assembly. The contact was advised that the fuel filter heater assembly needed to be replaced. The vehicle was not yet repaired. The manufacturer and local dealer were notified of the failure, but no assistance was offered. The contact was informed that the vehicle was previously repaired under the federal safety agency Campaign Number: 14V635000 (ENGINE AND ENGINE COOLING, FUEL SYSTEM, DIESEL). The contact stated that the vehicle had experienced the failure listed in the recall. The failure mileage was 202,000.

Filed Jul 3, 2019 · Electrical, Engine · 156,000 miles · WI

Truck shuts off at random at various speeds and after coasting will start itself up again. Throws every light on the dash on including trailer brake malfunction but throws no ECM codes. I'm pretty sure it has to do with the key fob/starter relay recognizing the key.

Filed Feb 21, 2018 · Airbags, Electrical · LA

Tl* the contact owns a 2012 ram 3500. The contact received notification of the federal safety agency campaign numbers: 14v635000 (engine and engine cooling, fuel system, diesel), 15v459000 (air bags), and 17v821000 (power train). The contact stated that the parts were not available within a reasonable time frame to schedule the recall repair. The dealer (bergeron auto - chrysler dodge jeep ram, 3525 veterans memorial blvd, metairie, la 70002, (504) 888-2131) was unable to verify when the remedy and parts would be supplied from the manufacturer. The manufacturer was contacted. The contact was not experiencing a failure. Parts distribution disconnect for the federal safety agency campaign numbers: 14v635000 (engine and engine cooling, fuel system, diesel), 15v459000 (air bags), and 17v821000 (power train).

Filed Sep 13, 2017 · Fuel system, Transmission · 127,900 miles · IL

Tl* the contact owns a 2012 ram 3500. While driving approximately 70 MPH and towing a 2017 wood deck trailer fmcw-11000-20s, the contact heard a banging noise underneath the floorboard. Suddenly, the front drive shaft and transfer case separated and blew up. There were no warning indicators illuminated. The contact pulled over to inspect the vehicle and was informed that his hubcap fell off. While attempting to shift the gear into drive, the gear shifter failed. Upon further inspection of the vehicle, the contact noticed that fluid leaked onto the ground from underneath the vehicle and that the transfer case and drive shaft were gone. The vehicle was towed to king city chrysler center (1603 broadway st, mt vernon, il 62864 (618) 242-6600) where it was diagnosed that the transmission was cracked, the axle was compromised, and the transmission, front drive shaft, transfer case, entire front axle, fuel lines, transmission wiring harness, shift cable, and transmission cooler lines all needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 127,900.

Filed Jul 18, 2016 · Airbags, Engine · AL

Tl* the contact owns a 2012 ram 3500. The contact received notification of the federal safety agency campaign numbers: 16v352000 (air bags) and 14v635000 (engine and engine cooling, fuel system, diesel). However, the parts to do the repairs were not available. The contact stated that the manufacturer exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue.

Filed Jun 27, 2016 · Fuel system, Steering · TX

Tl* the contact owns a 2012 ram 3500. The contact received a manufacturers recall on the fuel/propulsion system and steering. However, the parts to do the repairs were unavailable. The contact stated that the manufacturer exceeded a reasonable amount of time for the recall repairs. The manufacturer was made aware of the issue. The contact had not experienced a failure.

Filed Dec 18, 2015 · Airbags, Engine · CO

Tl* the contact owns a 2012 ram 3500. The contact received notification of the federal safety agency campaign numbers: 14v635000 (engine and engine cooling, fuel system, diesel) and 15v459000 (air bags), however, the parts to do the repairs were unavailable. The contact stated that the manufacturer exceeded a reasonable amount of time for the recall repairs. The manufacturer was not made aware of the issue. The contact had not experienced a failure. Parts distribution disconnect.