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2021 Ram 4500 problems

Typical yearClose to a typical year
Owner complaints
0
Recalls
5
Service bulletins
4464 warranty

The worst 2021 Ram 4500 problems

Ranked by number of owner complaints. Mileage and cost come from what owners wrote.

Problems by type

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Recalls 5

Steering: steering control moduleReported November 6, 2025 · 532 vehicles affected
What is wrong
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."
Risk
A driver's side air bag that does not deploy as intended increases the risk of injury in a crash.
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 beginning November 13, 2025.

Recall number 25V765000 · Recall details

Electrical system: wiring: relays/solenoidsReported February 9, 2023 · 302,067 vehicles affected
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/solenoidsReported October 14, 2021 · 131,177 vehicles affected
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

Wheels: lugs/nuts/bolts/studsReported May 27, 2021 · 447,985 vehicles affected
What is wrong
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.
Risk
Wheel separation can cause a vehicle crash.
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.

Recall number 21V398000 · Recall details

Electrical systemReported March 11, 2021 · 19,214 vehicles affected
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

See all 5 recalls for the 2021 Ram 4500

Technical service bulletins for the 2021 Ram 4500 446

Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.

See all 446 bulletins for the 2021 Ram 4500

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Questions about the 2021 Ram 4500

Is the 2021 Ram 4500 reliable?

Owners have filed 0 complaints about the 2021 Ram 4500.

What is the most common problem with the 2021 Ram 4500?

There are not enough complaints to tell.

How many recalls does the 2021 Ram 4500 have?

5 recalls, covering steering, electrical system and wheels.

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