3 times to date (10,000 miles/8 months) I have failing abs speed sensors. If I stop moving when all lights come on dash the truck is in operational. I cannot shift gears, put in park or turn engine off. Loose traction control, ads, 4wd, stabiltrac, speedometer. All assitive and braking functions. Code U1412. Dealer replaces speed sensors but problem returns.
Ram 3500 warning lights comes on
10 of the 2,369 owner complaints about the Ram 3500 describe multiple warning lights, most of them for the 2025 model year.
- owner complaints
- 10
- worst model year
- 2025
Is there a fix? There are 10 recalls for this area of the car. See below
By model year
- 20261
- 20253
- 20221
- 20211
- 20172
- 20141
- 20131
Often reported together
ABS 4Check engine light 2Wipers 1Transmission failure 1Stalling 1Loss of power 1Headlights 1Harsh shifting 1
Trouble codes mentioned
U1412 2
What owners say
My ram truck will intermittently have a Christmas tree of warning lights on the instrument cluster, which occur while driving. During these periods, I do not have access to four-wheel-drive, accident avoidance, antilock brakes, etc. If I continue driving the truck for the remainder of the day, the lights will usually go off, but will be stored in the vehicles PCM. the dealership has previously evaluated this and reports that they cannot fix or evaluate the vehicle because there is not an active warning light when I bring it to the dealership. However, when these lights occur, I could be towing a heavy trailer and have no access to the truck safety systems until the lights correct itself. This has occurred more than once. I do not take photos of the lights each time. The photo included is only one of the times. The last time I believe this occurred was on 1/29/2026. Each episode are the exact same warning lights.
Vehicle at dealership a third time for same issue relating to U1412 code associated with ABS system. First time it was towed on 1/19/2026 and second time I took it to the dealership before it required towing on 3/26/2026. This time the truck required towing again after not being able to go into gear or being able to turn it off. Multiple warning lights on the dash. Still waiting for diagnosis but service department knew this problem from other vehicles and said manufacturer isn’t sure of cause.
When I was going to torn off the truck won’t stop the engine, dash said not in parking and the PRND light start flashing I had to remove a relay to shut down the truck and disconnect bought batteries half and hour later reconnect everything and truck work but with many lights on in dash board From what I investigated it’s a common problem with no solution at this time Dealer said it’s a rear speed sensor What should I do
The ABS system has deactivated along with traction control and all the lights are on the dash with a message that says service electronic brakes system. Stellantis claims that I am not included in the recall even though my model year and model match others being recalled and the part needed to complete the repair is the one that is being redesigned because the original one is faulty. Please help!
While driving around 20 mph, suddenly heard a clunk, then several dashboard warning lights came on. Truck suddenly had no torque- would only move forward if the engine was revved at much more than normal amount. Nearly complete loss of ability to accelerate from a stop/low speeds. Took to an independent service center who ran the ODB codes, showing the now well-known issue of "transmission failure gears 1-4" Warning lamps include the lane sense and check engine lights, and a message on the dash that reads ACC not available, Automatic high beams not available. Prior to this, no problems with the truck at all. I am trying to arrange getting it towed to a dealership.
I've been waiting for replacement parts for Technical Service Bulletin S2005000004 for over 8 months. It's my understanding from the dealer I visited that I could have a complete failure of electronics and/or brakes. Many warning lights and warning messages are displayed on the dashboard. Dodge has not issued a recall. I've been towing an 18,000lb RV around the country off and on for a number of years and was never made aware of this danger.
The contact owns a 2021 Ram 3500. The contact stated while driving 60 MPH, the check engine, cruise control, 4WD, stability control, the ABS and trailer brake warning lights were illuminated. The contact called the local dealer and made them aware of the failure. The dealer informed the contact to turn the vehicle on and off multiple times to reset the computer. The contact stated all the warning lights turned off, except for the check engine warning light. The contact stated two days later, the check engine warning light turned off independently. The contact stated that the failure recurred three times. The contact took the vehicle to the local dealer, where it was diagnosed with needing the rear passenger’s side wheel speed sensor and the rear passenger’s side ABS sensor to be replaced. The vehicle was repaired but continued to experience failure. The contact took the vehicle to Rogersville Chevrolet (5655 US-11W suite a, Rogersville, TN 37857: (423) 272-1000), however, the mechanic was unable to duplicate the failure. The vehicle was not repaired. The manufacturer had not been informed of the failure. The failure mileage was approximately 30,000.
Tl* the contact owns a 2014 ram 3500. While driving 65 MPH, the vehicle stalled and all the warning lights on the instrument cluster illuminated. The driver was able to restart the vehicle. The vehicle was taken to a dealer where it was diagnosed that a module needed to be replaced. The vehicle was repaired; however, the failure recurred on numerous occasions. The vehicle was taken back to the dealer, but the contact was unsure about what part was repaired. The vehicle was repaired, but the failure persisted. The manufacturer was notified of the failure. The failure mileage was 40,000. Updated 08/30/16
July 17, 2015 - while stationary, I started truck only to have all warning lights on the dash illuminate, wipers activate on their own, and radio unit power off. Eventually, all power was lost to the dash. Truck was towed to dealer for repair. Truck received new PCM and was returned to me. July 17, 2015 - later that evening, the truck was towed back to dealer for the same problem. Truck was in the service center for two months receiving a new wiring harness and new computers. September 16, 2015 - truck returned to me. October 13, 2015 - while driving on a city street the truck exhibited the same problem. Momentarily lost engine power and transmission functionality. Lost all power to dash including trailer brakes. The truck sat idling for approximately one hour while waiting for a tow truck. I have recorded video of the dash continuing to flicker and power up and down erratically. October 16, 2015 - truck still at service center awaiting diagnosis and parts.
Related recalls
Electrical system: instrument cluster/panel
- What is wrong
- Chrysler (FCA US, LLC) is recalling certain 2025-2026 Ram 1500 Pickup, Ram 2500 Pickup, Ram 3500 Pickup, Ram 3500 Cab Chassis, Ram 4500 Cab Chassis, and Ram 5500 Cab Chassis vehicles. A software error may cause the instrument panel display to fail. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standards numbers 102, "Transmission Shift Position Sequence," 105, "Hydraulic and Electric Brake Systems," 108, "Lamps, Reflective Devices, and Associated Equipment," 126, "Electronic Stability Control Systems for Light Vehicles," 135, "Light Vehicle Brake Systems," 138, "Tire Pressure Monitoring System," and/or 208, "Occupant Crash Protection."
- Risk
- An instrument panel display that fails to show critical safety information, such as gear selection and warning lights, increases the risk of a crash.
- Remedy
- Dealers will update the instrument panel software, free of charge. Owner notification letters were mailed May 5, 2026. Owners may contact FCA customer service at 1‑800‑853‑1403. FCA's number for this recall is 35D. Vehicle Identification Numbers (VINs) involved in this recall will become searchable on beginning April 16, 2026.
Recall number 26V225000 · Recall details
Electrical system: integrated trailer brake control
- What is wrong
- Chrysler (FCA US, LLC) is recalling certain 2024-2026 Jeep Wagoneer S, 2025-2026 Ram 1500 Pickup, Ram 2500 Pickup, Ram 3500 Pickup, Ram 3500 Cab Chassis, Ram 4500 Cab Chassis, Ram 5500 Cab Chassis, and 2026 Jeep Cherokee vehicles. Due to an improperly designed trailer tow module, the trailer lights may fail to illuminate and the trailer brakes may fail.
- Risk
- Trailer brake lights and turn signals that do not illuminate reduce visibility to other drivers, increasing the risk of a crash. Additionally, trailer brakes that fail increase the risk of a crash.
- Remedy
- Dealers will replace the trailer tow module, free of charge. Owner notification letters were mailed beginning March 17, 2026. Owners may contact FCA US, LLC customer service at 1‑800‑853‑1403. FCA US, LLC's number for this recall is 03D. Vehicle Identification Numbers (VINs) involved in this recall became searchable on on February 10, 2026.
Recall number 26V059000 · Recall details
Electrical system: instrument cluster/panel
- What is wrong
- Chrysler (FCA US, LLC) is recalling certain 2025-2026 Ram 1500 Pickup, Ram 2500 Pickup, Ram 3500 Pickup, Ram 3500 Cab Chassis, 4500 Ram Cab Chassis, and Ram 5500 Cab Chassis vehicles. A software error may cause the instrument panel cluster display to be blank. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard numbers 135, "Light Vehicle Brake Systems," 105, "Hydraulic and Electric Brake Systems," and 102, "Transmission shift lever sequence, starter interlock, and transmission braking effect."
- Risk
- An instrument panel display that does not show critical information, such as warning lights or gear selection, increases the risk of a crash.
- Remedy
- Dealers will inspect and update the instrument panel software or replace the instrument panel cluster, as necessary, free of charge. Owner notification letters were mailed December 18, 2025. Owners may contact Chrysler customer service at 800‑853‑1403. Chrysler's numbers for this recall are B4C and B8C. Vehicle Identification Numbers (VINs) involved in this recall became searchable on beginning December 4, 2025.
Recall number 25V826000 · Recall details
Electrical system: instrument cluster/panel
- What is wrong
- Chrysler (FCA US, LLC) is recalling certain Ram 2500 and Ram 3500 vehicles equipped with a 3.5" cluster and column shifter. A software error may cause the gear selection display to be inaccurate. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 101, "Control and Displays."
- Risk
- An inaccurate gear selection display may mislead the driver as to what gear is actually selected, leading to unexpected vehicle movement and increasing the risk of a crash.
- Remedy
- Dealers will update the cluster software, free of charge. Owner notification letters were mailed May 22, 2025. Owners may contact Chrysler customer service at 800‑853‑1403. Chrysler's number for this recall is 36C.
Recall number 25V297000 · Recall details
Electrical system: wiring: relays/solenoids
- What is wrong
- Chrysler (FCA US, LLC) is recalling certain 2021-2023 Ram 2500, 3500, 3500 Cab Chassis, and 4500, 5500 Cab Chassis vehicles equipped with a Cummins 6.7L Turbo Diesel engine. An electrical short may occur in the heater grid relay with the ignition on or off.
- Risk
- An electrical short in the relay can result in an engine compartment fire with the ignition on or off, increasing the risk of injury.
- Remedy
- Owners are advised to park outside and away from structures until the recall repair is complete. Dealers will replace the relay, free of charge. This will be a Phased campaign. Phase 1 will include 2023 model year vehicles. FCA US will notify dealers on or about 3/23/2023 and begin notifying owners on or about 4/5/2023. Phase 2 will include 2022 model year vehicles and Phase 3 will include 2021 model year vehicles. FCA US will notify dealers and owners on or about 4/27/2023 for Phase 2 and 5/11/2023 for Phase 3. Interim owner notification letters informing owners of the safety risk were mailed March 28, 2023. Owner notification letters are expected to be mailed April 5, 2023. Owners may contact FCA US, LLC customer service at 1‑800‑853‑1403. FCA US, LLC's number for this recall is 13A. This recall is an expansion of and supersedes recall number 21V‑798.
Recall number 23V060000 · Recall details
Electrical system: wiring: relays/solenoids
- What is wrong
- Chrysler (FCA US, LLC) is recalling certain 2021-2022 Ram 3500, 2500 pickup trucks, and Ram 3500, 4500, and 5500 cab chassis vehicles equipped with Cummins 6.7L Turbo Diesel engines. An electrical short in the relay may cause a vehicle fire with the ignition on or off.
- Risk
- A vehicle fire increases the risk of injury.
- Remedy
- Owners are advised to park these vehicles outside of buildings or structures, and not near other vehicles, until the vehicle has been remedied. Dealers will inspect and, if needed, replace the Solid State Intake Heater Grid Relay ("Relay"); if FCA US Recall ID Y08 (the federal safety agency Recall ID 21V‑163) is open, then insulating material will be applied to the Relay after inspection. Owner notification letters were mailed November 10, 2021. Owners may contact FCA US, LLC customer service at 1‑800‑853‑1403. FCA US, LLC's number for this recall is Y76. This recall has been superseded by 23V060.
Recall number 21V798000 · Recall details
Electrical system
- What is wrong
- Chrysler (FCA US, LLC) is recalling certain 2021 Ram 2500, 3500, and 3500, 4500, and 5500 Cab Chassis vehicles equipped with a Cummins 6.7L Turbo Diesel engine. An electrical short may occur in the Solid State Intake Heater Grid Relay, which could result in a vehicle fire.
- Risk
- A vehicle fire increases the risk of injury.
- Remedy
- Dealers will inspect and, if needed, replace the Solid State Intake Heater Grid Relay ("Relay"); if FCA US Recall ID Y08 (the federal safety agency Recall ID 21V‑163) is open, then insulating material will be applied to the Relay after inspection. Customers are advised to not park these vehicles inside of buildings or structures, or near other vehicles until the vehicle has the final repair completed. Owner notification letters were mailed November 10, 2021. Owners may contact FCA US, LLC customer service at 1‑800‑853‑1403. FCA US, LLC's number for this recall is Y76. Owners may contact FCA US LLC customer service at 1‑800‑853‑1403. FCA US LLC's number for this recall is Y08. This recall has been superseded by recall number 21V‑798.
Recall number 21V163000 · Recall details
Electrical system: wiring
- What is wrong
- Chrysler (FCA US LLC) is recalling certain 2014-2018 Dodge Journey, Charger and Durango, RAM 2500, 3500, 3500 Cab Chassis (more than 10,000lb), 4500 Cab Chassis and 5500 Cab Chassis, Jeep Cherokee and Grand Cherokee and Chrysler 300, 2014-2019 RAM 1500, 2015-2018 Dodge Challenger, 2015-2017 Chrysler 200, 2016-2018 RAM 3500 Cab Chassis (less than 10,000 lb), 2017-2018 Chrysler Pacifica and 2018 Jeep Wrangler vehicles. These vehicles are being recalled to address a defect that could prevent the cruise control system from disengaging. If, when using cruise control, there is a short circuit within the vehicle's wiring, the driver may not be able to shut off the cruise control either by depressing the brake pedal or manually turning the system off once it has been engaged, resulting in either the vehicle maintaining its current speed or possibly accelerating.
- Risk
- If the vehicle maintains its speed or accelerates despite attempts to deactivate the cruise control, there would be an increased risk of a crash.
- Remedy
- Chrysler will notify owners, and dealers will inspect the software, and perform a software flash on the engine or powertrain control module, free of charge. The recall began June 4, 2018. Owners may contact Chrysler customer service at 1‑800‑853‑1403. Note: Owners are advised to stop using cruise control until the software update has been performed. In the event that cruise control cannot be disengaged while driving, owners should firmly and steadily apply the brakes and shift the transmission to neutral, placing the vehicle in park once it has stopped.
Recall number 18V332000 · Recall details
Electrical system: alternator/generator/regulator
- What is wrong
- Chrysler (FCA US LLC) is recalling certain model year 2011-2014 Dodge Charger Police vehicles, 2007-2013 RAM 3500 Cab Chassis, 2008-2013 RAM 4500 and 5500 Cab Chassis, and 2013 RAM 2500 and 3500 vehicles. The affected vehicles have a 220 amp alternator that may suddenly fail.
- Risk
- If the alternator fails, the vehicle may stall without warning, increasing the risk of a crash. There is also the possibility that the alternator may short circuit, increasing the risk of a fire.
- Remedy
- Chrysler will notify owners, and dealers will replace the alternator with a revised alternator, free of charge. The recall began on December 23, 2016. Owners may contact Chrysler customer service at 1‑800‑853‑1403. Chrysler's number for this recall is S68.
Recall number 16V739000 · Recall details
Electrical system: instrument cluster/panel
- What is wrong
- Chrysler Group LLC (Chrysler) is recalling certain model year 2014 RAM 1500, 2500, and 3500 trucks manufactured July 1, 2013, through August 22, 2013. Randomly, the warning lights in the instrument cluster may fail to illuminate as designed.
- Risk
- Inoperative warning lights may not properly warn the driver of vehicle problems, increasing the risk of a crash.
- Remedy
- Chrysler will notify owners, and dealers will update the instrument cluster software, free of charge. The recall began on November 25, 2013. Owners may contact Chrysler at 1‑800‑247‑9753. Chrysler's recall campaign number is N59.
Recall number 13V486000 · Recall details
Questions about the Ram 3500 warning lights
Why does the warning lights come on in the Ram 3500?
Owners who report it most often also describe abs light or abs activating, check engine light and windshield wiper failure, and the codes they mention most are U1412.
Which Ram 3500 years have multiple warning lights problems?
The model years with the most reports are 2025 (3 complaints), 2017 (2 complaints) and 2013 (1 complaints).
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