Carlexica

2021 Ram 3500: problems, recalls and reliability

9 recalls and 62 owner complaints on record; the weakest area is electrical system (25% of complaints); the 2023 model year looks more trouble-free.

Data updated weekly · 1 new complaint in the last 90 days · latest recall Nov 2025

9
recalls
62
owner complaints
4
fire reports
62,000
typical failure mileage, mi

All counts are reports filed with NHTSA in the United States - US market only, not worldwide totals.

Among the quietest 3500 years (#12 of 14 by complaints, age-adjusted)Weak spot: electrical system (25%)4 fire reports

Common problems

Computed from 62 owner complaints filed with NHTSA for this exact model year.

Electrical System (battery, wiring, electronics)25% · 14 complaints
Engine (engine mechanics)14% · 8 complaints
Power Train (transmission, axles, driveline)11% · 6 complaints
Wheels (wheels, lug nuts, bearings)9% · 5 complaints
Structure (body, frame, doors, rust)7% · 4 complaints
Service Brakes (brakes)5% · 3 complaints
The contact owns a 2021 Ram 3500 . The contact received notification of NHTSA Campaign Numbers: 25V720000 (Engine and Engine Cooling) and 25V552000 (Back Over Prevention) however, the part to do the recall repair was not yet available. The dealer was contacted. The vehicle was not diagnosed or repaired. The dealer confirmed that the remedy parts were not yet available and were on backordered. The manufacturer was made aware of the issue. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact had not experienced a failure.Owner report · Back Over Prevention · Jun 2026
The contact owns a 2021 RAM 3500. The contact stated that while driving at 40 mph, the vehicle stalled and could not be restarted. The vehicle was towed to a dealer, where it was diagnosed that the entire fuel system needed to be replaced due to the high-pressure fuel pump exploding after metal shavings were found throughout the entire system. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 77,000.Owner report · Fuel System, Diesel · Apr 2026
The contact owns a 2021 Ram 3500. The contact received notification of NHTSA Campaign Number: 25V552000 (Back Over Prevention) and 25V720000 (Engine and Engine Cooling); however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure.Owner report · Engine And Engine Cooling · Mar 2026
Show 7 more owner reports
Both front ball joints wore out at 20,000 miles The 3rd break light leaks into the cab at 26,000 miles & won't be warrantied even though there's an active recall for our same truck, same part just different modelOwner report · Suspension · Nov 2025
The contact owns a 2021 Ram 3500. The contact stated that while reversing, the rearview camera failed to display an image, compromising the back over prevention system. No warning lights were illuminated. The vehicle was not taken to the dealer or an independent mechanic. The vehicle was not repaired. After investigating the failure, the contact related the failure to NHTSA Campaign Number: 24V436000 (Back Over Prevention); but the VIN was not included. The manufacturer was not notified of the failure. The failure mileage was unknown. The VIN was not available.Owner report · Back Over Prevention · Aug 2025
Nexen Roadian HTX RH5 LT235 / 80 R 17. While driving down interstate and pulling a 21,000 lb GVWR fifth wheel trailer, the truck began vibrate. After stopping it appeared that the front passenger tire was out of round. This was confirmed after jacking up the vehicle. Suspect internal damage to the radials. The tire had a total of 16,600 miles on it. Tire had cold pressure of 80 psi and was just checked 4 days prior to the incident. Luckily, the issue was discovered prior to a catastrophic failure, so no damage or accident occured for this particular failure.Owner report · Tires · Jun 2025
I powered on the truck. Upon ignition check engine light, along with ABS, 4WD, traction control came on. Lights for the forward collision and adaptive cruise control illuminated. ABS system in the truck is no longer functioning causing the brake pedal to pulsate and lose pressure. Dealer diagnosed the troubleshooting codes and determined the ABS and the HCU (Hydraulic Control Unit) need to be replaced.Owner report · Forward Collision Avoidance · May 2025
Driver power seat started moving forward on its own until it was all the way forward, would not move backwards with the button. It pinned my legs to the dash, preventing me from reaching the throttle or brake pedalOwner report · Seats · Apr 2025
The contact owns a 2021 Ram 3500. The contact stated that after starting the vehicle, the accelerator pedal was depressed, but the vehicle failed to drive forward or to reverse. The RPM was raised high, and the check engine warning light was illuminated. The vehicle was taken to the dealer, where it was determined that the transmission needed to be replaced; however, the parts were on backorder. The failure recurred, and the vehicle was towed to the farm. The vehicle was not repaired. The manufacturer was made aware of the failure and a case was opened. The failure mileage was approximately 64,000.Owner report · Power Train · Feb 2025
Left blinker does not cancel after left turn 60% of the time causing other vehicles to pull out in front of me almost causing accidentsOwner report · Unknown Or Other · Jan 2025

Recalls - 9 campaigns

ELECTRICAL SYSTEM:WIRING:RELAYS/SOLENOIDS21V798000 · Oct 2021

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.

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 (NHTSA 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.

STEERING:STEERING CONTROL MODULE25V765000 · Nov 2025

Chrysler (FCA US, LLC) is recalling certain 2021-2022 Ram 1500, Ram 2500, Ram 3500, Ram 4500, and Ram 5500 vehicles. The steering column control module may cause the driver's side air bag not to deploy as intended. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."

Remedy: Dealers will replace the steering column control module, free of charge. Owner notification letters were mailed beginning December 11, 2025. Owners may contact Chrysler customer service at 800-853-1403. Chrysler's number for this recall is 14C. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov beginning November 13, 2025.

POWER TRAIN:AUTOMATIC TRANSMISSION22V835000 · Nov 2022

FCA US, LLC (Chrysler) is recalling certain 2020-2023 Ram 2500 and 2020-2022 Ram 3500 vehicles. A build-up of pressure and heat inside the transmission may result in a transmission fluid leak from the dipstick tube.

Remedy: Dealers will replace the transmission dipstick and transmission vent assembly, free of charge. Owner notification letters were mailed December 29, 2022. Owners may contact FCA US, LLC customer service at 1-800-853-1403. Chrysler's number for this recall is ZA3.

AIR BAGS:SIDE/WINDOW:CURTAIN21V925000 · Nov 2021

Chrysler (FCA US, LLC) is recalling certain 2021-2022 Ram 2500, Ram 3500, and 2021 Ram 1500 Classic pickup trucks. The side air bag inflatable curtain (SABIC) assemblies may have been manufactured with the incorrect amount of compressed gas, which can result in an improper air bag deployment.

Remedy: Dealers will replace the SABIC assemblies, free of charge. Owner notification letters were mailed January 17, 2022. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is Y99.

WHEELS:LUGS/NUTS/BOLTS/STUDS21V398000 · May 2021

Chrysler (FCA US, LLC) is recalling certain 2012-2021 RAM 3500, 3500 Cab Chassis, 4500 Cab Chassis, and 5500 Cab Chassis vehicles. Incorrect information in the Service and Owner's Manuals may cause the flanged lug nuts to be over-tightened, which could result in a broken wheel stud and possible wheel separation.

Remedy: Dealers will update the torque specification in the owner's manual and other published service documents. Dealers will also inspect the vehicle's wheel studs, replacing them if necessary, free of charge. Owner notification letters were mailed on November 30, 2021. Campaign Y36 owner notification letters were mailed on November 30, 2021. Campaign Y26 owner notification letters were mailed on December 1, 2021. Owners may contact FCA US customer service at 1-800-853-1403. FCA US's numbers for this recall are Y26 and Y36.

SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE22V140000 · Mar 2022

Chrysler (FCA US, LLC) is recalling certain 2019-2022 Ram 2500 and 2021-2022 Dodge Durango vehicles, and 2019-2022 3500 cab chassis with GVWR less than 10,000 lbs. The ABS control module software may prevent the electronic stability control (ESC) malfunction indicator light from illuminating during certain conditions. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 126, "Electronic Stability Control Systems."

Remedy: Dealers will update the ABS control module software, free of charge. Owner notification letters were mailed March 29, 2022. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is Z20.

ELECTRICAL SYSTEM21V163000 · Mar 2021

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.

Remedy: Dealers will inspect and, if needed, replace the Solid State Intake Heater Grid Relay ("Relay"); if FCA US Recall ID Y08 (NHTSA 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.

ELECTRICAL SYSTEM:WIRING:RELAYS/SOLENOIDS23V060000 · Feb 2023

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.

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.

STRUCTURE:BODY:TAILGATE:HINGE AND ATTACHMENTS22V904000 · Dec 2022

Chrysler (FCA US, LLC) is recalling certain 2019-2022 Ram 1500, 2500, and 3500 pickup trucks. The tailgate may not latch properly due to misaligned tailgate strikers, which could result in the tailgate opening while driving.

Remedy: Dealers will inspect the tailgate striker alignment to the box latch and adjust, if necessary, free of charge. Owner notification letters were mailed December 22, 2022. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is ZB8.

Specifications

Factory options offered for the 2021 model year, decoded from the NHTSA vPIC database. Individual vehicles have one of each.

Engines3.2L · 5.7L · 6.2L
Cylinders4 · 6 · 8
FuelDiesel · Gasoline
Drive type4WD/4-Wheel Drive/4x4 · 4x2

How other years compare

Check your exact 3500 by VIN

Recalls and equipment differ between individual vehicles. Decode your VIN to see what applies to yours.

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Frequently asked questions

Is the 2021 Ram 3500 reliable?

NHTSA has 62 owner complaints and 9 recall campaigns on record for the 2021 Ram 3500. The most complained-about area is electrical system (25% of complaints).

At what mileage do 2021 Ram 3500 problems usually appear?

Half of the complaints that mention mileage were filed at 62,000 miles or less.

Does the 2021 Ram 3500 have open recalls?

9 recall campaigns have been issued, the latest concerning electrical system:wiring:relays/solenoids. Check your specific vehicle by VIN - recall repairs are free at franchised dealers.

Source: NHTSA recall campaigns and owner complaints (public domain). Counts reflect reports on file and are not a defect rate.