Which parts fail
Components named in complaints (battery, alternator, wiring, ignition, instrument cluster, infotainment).
Mileage when the problem started
Owner reports
Selected complaints filed with NHTSA by 2012 Dodge Ram 1500 owners, lightly cleaned up (personal details are redacted by NHTSA).
The contact owns a 2012 Ram 1500. The contact stated when the vehicle was turned off and in park, he accidentally bumped the gear shit lever and the vehicle slipped out of park (P) without the brake pedal being depressed. The contact researched online and related the failure to NHTSA Campaign Number: 17V821000 (Power Train). The contact stated that he had attempted to set numerous appointments with a local dealer but was unable to set an appointment for the vehicle. Additionally, while driving approximately 55 MPH the contact stated that he began to smell a burning plastic odor. The contact stated no warning light was illuminated. The contact observed that smoke was being emitted from the defroster vents on the top of the dash board. The contact stated that he pulled off of the roadway and shut the vehicle off. …
The contact owns a 2012 Dodge Ram 1500. The contact stated that while driving at an undisclosed speed, the vehicle stalled. The contact was able to coast to the side of the road. No warning lights were illuminated. After several attempts, the vehicle restarted. The contact stated that the failure persisted. The contact stated that on a separate occasion, while starting the vehicle, after releasing the key fob, the vehicle stalled. The contact taped the key to the side of the vehicle to start. The contact stated that once the key fob was taped, the windows failed to roll up, the indicators failed to function as intended, the heater and A/C failed to operate as needed, and the hazard lights were inoperable. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The manufacturer was not made aware of the failure. The approximate failure mileage was 140,000.
The contact owns a 2012 RAM 1500. The contact stated that while driving at 15 MPH, the electronics in the vehicle behaved erratically and the vehicle lost all motive power. After restarting the vehicle, it seemed to return to normal functionality but has since become a regular occurrence. The battery warning light was illuminated. The vehicle was taken to an independent mechanic, who diagnosed a failure with the TIPM. The contact stated that the TIPM had been replaced three weeks prior. The vehicle was not repaired. After investigating the failure, the contact related it to NHTSA Campaign Number 14V530000 (Electrical System), but the VIN was not included. The manufacturer was not notified of the failure. The failure mileage was 140,000.
The truck was sitting at home in the driveway (untouched) for 3 days. Suddenly smoke began to appear from under the hood and within minutes, the engine compartment burst into flames. Because of the fire, smoke and water damage, the vehicle was considered a total loss by the insurance company. The fire marshal advised that the fire started in the vicinity of the passenger side starter battery. It is thought the fire originated from the battery or the grid heater relay that is very near the passenger side battery. The fire also damaged a nearby RV that experienced smoke and heat damage. It was a very intense fire. There were no open recalls on this vehicle and no recent maintenance work performed.
The contact owns a 2012 Ram 1500. The contact stated that the check engine, air bag, and the fuel pump relay failure warning lights were illuminated. The contact stated that the exterior lights failed to operate as needed, and the vehicle occasionally failed to start. Additionally, the contact stated that the vehicle stalled while driving. The vehicle was taken to an independent mechanic who diagnosed the vehicle and determined that the TIPM was faulty and needed to be replaced. The local dealer was not contacted. The vehicle was not yet repaired. The manufacturer was notified of the failure, but no assistance was provided. The failure mileage was 160,000.
The contact owns a 2012 Ram 1500. The contact stated the vehicle failed to start after multiple attempts. Additionally, the vehicle had lost motive power and stalled several times while driving at various speeds. The electronic throttle control system warning light was illuminated. The contact had replaced the fuel pump and TIPM (Totally Integrated Power Module) himself; however, the failure persisted. The dealer was notified of the failure and the contact was informed that the VIN was not under recall. The manufacturer was not notified of the failure. The vehicle was not repaired. The failure mileage was 125,000.
The contact owns a 2012 Ram 1500. The contact was unable to start the vehicle. The contact stated that the check engine warning light was illuminated. The contact was able to restart the vehicle after 10 attempts. The contact took the vehicle to an independent mechanic and was informed the Totally Integrated Power Module (TIPM) needed to be replaced. The vehicle was not diagnosed or repaired. A dealer was not contacted. The manufacturer had been informed of the failure. The failure mileage was approximately 125,000.
The contact owns a 2012 Ram 1500. The contact stated that while driving at various speeds, the vehicle would suddenly shut off while driving over a bump in the road. The vehicle taken to the local mechanic who diagnosed that the ignition switch was faulty and needed to be replaced. The vehicle was not yet repaired. The manufacturer and local dealer were notified of the failure, but no assistance was provided. The failure mileage was 204,000.
The contact owns a 2012 Dodge Ram 5500. The contact stated that the service light was illuminated. The contact stated that the vehicle was inoperable. The vehicle was taken to the local dealer but parts were not ordered. The vehicle was not diagnosed or repaired. The manufacturer was contacted and referred the contact to another local dealer for assistance. The approximate failure mileage was 44,000.
While the vehicle was sitting in the driveway not running, the back of the headlight caught on fire. There wasn't any incedents (e.i. any collision, repairs) prior to the indecent. It is available for inspection. No dealership report yet, but have an appointment with local dealership Tuesday to get an itemized estimate for the repairs.
Electrical complaints in other Ram 1500 years
Frequently asked questions
How common are electrical problems on the 2012 Dodge Ram 1500?
NHTSA has 175 complaints about the electrical system of the 2012 Dodge Ram 1500, 25% of the model year's 698 complaints. The component named most often is wiring (3 mentions).
Is there a recall for 2012 Dodge Ram 1500 electrical problems?
No. NHTSA lists no electrical system recall for the 2012 Dodge Ram 1500, though it has 6 recalls for other components. If the problem is widespread, a repair may still be covered by an extended warranty or a manufacturer service bulletin — ask a dealer.
At what mileage do 2012 Dodge Ram 1500 electrical problems start?
Half of the complaints with a recorded mileage happened before about 76,000 miles, and 11% before 25,000 miles.
Is it dangerous?
Owners linked 2 crashes, 7 fires and 0 injuries to electrical system problems on this model year. If you notice symptoms, have the car checked before driving further.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.