2024 Ram 3500 electrical problems

Filed Nov 2, 2026 · Body, Electrical · OK

My 2024 Ram 3500 DRW (about 23,000 miles) has a recurring water intrusion problem in the cowl and HVAC area. During ordinary rain it collects there while parked outside and then floods out onto the front floor carpet. After a rain on xxx, the air conditioning stopped blowing cold air; when I checked on XXX the cabin filter was completely flooded with water and I replaced it that day. The same flooding recurred after rains on October 14 and again on October 30. I covered the windshield and cowl area before the last rain to try to keep water out, but that did not work. The truck will not fit in a garage, so every storm risks flooding the cab again. On XXX I reported this problem to [XXX] Chrysler Jeep Dodge Ram (Group 1 Automotive) in [XXX]. They said it would take about a week before they could look at it, and on that first visit they also suggested the issue may not be covered under warranty, implying lack of maintenance rather than design. I asked for an appointment where they could inspect it right away so it did not sit in their lot exposed to more rain; we set November 2 at 9:00 AM. The truck is back there this morning and they are still inspecting it. The water intrusion has already caused additional damage. The air conditioning blower motor makes a grinding noise at medium speed or higher, likely from water getting into it. After three full floodings I am also concerned about mold growing in the carpet and padding under the front floor. Stellantis has no service bulletin or recall covering this water intrusion on Ram HD trucks, though other owners report the same problem across model years. This truck is new and maintained per schedule. Please investigate whether this is a design defect affecting 2019 through present Ram 2500 and 3500 HD trucks, given the mold risk in the cab and possible water damage to electrical components under the front floor. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Oct 5, 2026 · Brakes, Electrical · NJ

Since first test driving the truck in March of 2025, there was an issue with the ABS system warning coming on. When that happens, it also disables 4 wheel drive, electronic stability control, cruise control and trailer brakes. The first 3x it happened while NOT towing at about 45mph. Other times it happened while towing a 16,000# trailer which caused vehicle control issues when braking. I did however discover, in a panic, that the manual trailer brake lever still works. The cause of the ABS system shut down was determined to be code: C0037-2F (Left Wheel Speed Sensor Signal Erratic) It has be brought in to the dealer for repair at the following mileages: 4,478, 4,699, 13,790, 14,745 and 16,487 miles. Since then, the wheel speed sensor has been replaced along with the "tone ring" and other components. Most recently, it was determined that the main wiring harness was pinched and (2) wires for that circuit were shorted. The dealer ran (2) new wires outside the wiring harness. The new wire were also NOT sleeved as per SAE vehicle wiring specifications. They "said" they removed the fuel tank to access the repair, however forensic evidence does not support that. There is still undercoating on the bolt threads. It should have been disturbed or worn off when removing the fasteners. After the repair was made, the problem once again came back while towing a smaller 5,000# trailer on 10/4/26 at approximately 16,654 miles. The failure has occurred about 8 times now since the initial repair was made.

Filed Sep 8, 2026 · Brakes, Electrical · LA

towing control module, brake lights work trailer breaks will not grab, lights on the module do not come on the module has never worked since I bought the 2024 dodge 3500 dually diesel

Filed Jul 10, 2026 · Brakes, Electrical · NJ

Loss of various systems while towing 14,000# trailer in hilly terrain. Loss of trailer brakes caused diminished control on the vehicle. * 4WD System Temporarily Unavailable * Service Antilock Brake System * Service Electronic Stability Control * Service Trailer Brake System The issue was previously repaired 3x. The problem originally happened 3x on the same road in the same spot. Right turn off a road, then going up hill. The first 2x lasting less than 10 miles. The 3rd, approximately 6,000 miles. This time (4th) it happened while towing 14,000# trailer. Made a left turn, then proceeded up a hill. Scanned the truck and got code C0037-2F. "Left Rear Wheel Speed Sensor Signal Erratic". Possibly issue with body / chassis / suspension flex or internal axle component being loose. The sensor was already replaced 2x, along with other components under warranty.

Filed Jun 19, 2026 · Electrical · AZ · 1 injury

PTC heater short circuited, overheated and scorched/melted itself as well as other plastic Hvac components and sent toxic fumes into the passenger compartment via the HVAC vents. This truck has been in 2 different Dodge dealer service departments multiple times for the same failures. After repairs were performed, the same failures occurred on the way home from the dealer. The PTC heater grid sits INSIDE of the HVAC airway. I am now experiencing multiple adverse medical symptoms from these exposures.

Filed Apr 10, 2026 · Electrical · 96,000 miles · FL

Odometer Fraud. The contact purchased a 2024 Ram 3500. The contact discovered that there was a mileage discrepancy after the purchase. The vehicle was a dealer sale. At the time of the purchase, the mileage was 29,000. It was later discovered that the mileage was 96,000 upon scanning the vehicle.

Filed Apr 10, 2026 · Electrical · 169,301 miles · FL

Odometer Fraud. The contact purchased a 2024 Ram 3500. The contact stated that it was discovered that there was a mileage discrepancy after the purchase. The vehicle was a dealer sale. At the time of purchase, the mileage was 58,449. It was later discovered that the mileage was 169,301 upon scanning the vehicle.

Filed Mar 24, 2026 · Electrical, Lights · CA

This complaint involves a 2024 Ram 3500 with an unresolved electrical system issue associated with the rear backup camera and related wiring. The vehicle initially presented with a malfunctioning backup camera, including unclear or distorted image quality, which affects rear visibility and safe operation while reversing. The vehicle was taken to authorized dealerships for repair on multiple occasions. During the course of these repair attempts, the wiring associated with the system was damaged, resulting in an ongoing electrical system issue that has not been resolved. The vehicle has now been out of service for approximately 71 days. Most recently, the authorized dealership confirmed that the required parts to complete the repair are unavailable, there is no estimated timeline for parts availability, and the repair cannot be completed at this time. As a result, there is currently no repair plan in place. This situation raises safety concerns due to the loss of a critical safety feature (rear visibility via the backup camera) and the presence of unresolved electrical system damage. Damaged or compromised wiring may create the potential for electrical malfunction, system instability, or other hazards if the vehicle were to be operated. The inability to repair the vehicle, combined with the lack of available parts and absence of any repair timeline, raises concerns about the overall safety and reliability of the vehicle. The vehicle remains at the dealership and is available for inspection.

Filed Mar 4, 2026 · Driver assistance, Electrical · TX

RAM 3500 truck was purchased in Ventura, CA and has experienced multiple electrical and drivetrain failures beginning shortly after purchase. In January 2025 while traveling in Oregon, the infotainment system repeatedly blacked out and the cruise control button stopped functioning. A dealership replaced the cruise control button, restoring cruise control, but the infotainment problem remained. When the vehicle was returned after the repair, a new defect appeared: the horn button no longer worked. Loss of the horn creates a safety risk because the driver cannot warn other vehicles or pedestrians. Around 20,000 miles during a routine service visit at the selling dealership in Ventura, we reported a driveline vibration. The dealership and the upfitter inspected the vehicle and observed tire cupping. They checked the tires for premature wear and recommended overinflating tires as a remedy. The vibration continued and worsened, the infotainment failures persisted. In October 2025 while driving in Wyoming, the vehicle experienced a major drivetrain failure involving the front differential and axle assembly and required towing. The truck was first towed to the Yeti dealership in Afton, Wyoming, which closed shortly after the vehicle arrived. The truck then had to be towed again to Yeti dealership in Jackson Hole. There, technicians diagnosed front differential and axle assembly as the primary failure and also observed premature wear on aftermarket shocks installed by the upfitter. Technicians indicated the differential assembly was not readily available and would require special order. The vehicle was later transferred to another dealership in Dodge City for repair, but the differential components were not immediately inspected or ordered, causing additional delay. The vehicle remains out of service awaiting drivetrain repair. Safety concerns include horn failure, repeated electrical malfunctions, and drivetrain failure while driving.

Filed Feb 2, 2026 · Electrical, Engine · AR

On 01/21/2026 there was a warning light that came on stating accelerator control sensor, the next morning the truck started stalling, and continued stalling multiple times. I attempted to get the vehicle to the service center. It then stalled 2 more times, the service center told me they couldn’t look at the truck until the next day, the vehicle then stalled on me again that evening, they kept the truck until Friday evening, and told me they couldn’t duplicate the issue. They knew it had happened, but they couldn’t find the cause without replacing a bunch of parts until they found the correct issue. I took the vehicle home, started it the next morning and the maintenance required issue again returned, I took it back to the service center, they checked the codes, and told me it shows the 3rd taillight is staying on which indicates usually a fuel issue. They then sent me a quote stating a bunch of things that’s already been done to the vehicle outside of their service center, as well as the part they told me was where they had started to diagnose the issue and it didn’t work, all of which are not covered under the current warranties of the vehicle and basically the way I understood it that I would have to keep buying parts and replacing things out of pocket until the drivetrain issues were resolved.