Recalls apply to specific production ranges. To see whether a particular car still has an open recall, enter its VIN at nhtsa.gov/recalls. Repairs for safety recalls are free at authorised dealers.
2020 Ram 4500 recalls
Service brakes, hydraulic: foundation components, hoses, lines/piping, and fittings
NHTSA campaign 22V759000 · reported October 11, 2022 · Chrysler (FCA US, LLC) · 26,961 vehicles potentially affected
- The problem
- Chrysler (FCA US, LLC) is recalling certain 2019-2020 Ram 4500 and 5500 Cab Chassis vehicles. The rear brake hose inside diameter may be too small, which could cause the hose to rupture. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 106, "Brake Hoses."
- The risk
- A brake hose rupture can cause a loss of braking ability, increasing the risk of a crash.
- The fix
- Dealers will replace the rear brake hoses, free of charge. Owner notification letters were mailed April 27, 2023. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is ZA5.
Visibility: windshield wiper/washer, linkages
NHTSA campaign 22V035000 · reported January 27, 2022 · Chrysler (FCA US, LLC) · 171,789 vehicles potentially affected
- The problem
- Chrysler (FCA US, LLC) is recalling certain 2019-2020 Ram 2500 and Ram 3500 vehicles, Ram 3500 Cab Chassis, 4500 Cab Chassis, 5500 Cab Chassis and 3500 Cab Chassis with a gross vehicle weight rating (GVWR) of less than 10,000 lbs. The windshield wiper arms may loosen, possibly causing the wipers to function improperly and reduce the driver's visibility in certain weather conditions.
- The risk
- Reduced visibility increases the risk of a crash.
- The fix
- Dealers will tighten the wiper nuts, free of charge. Owner notification letters were mailed February 15, 2022. This recall is an expansion of recall number 20V-208. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is Z08.
Fuel system, diesel: delivery, fuel pump
NHTSA campaign 21V880000 · reported November 12, 2021 · Chrysler (FCA US, LLC) · 222,410 vehicles potentially affected
- The problem
- Chrysler (FCA US, LLC) is recalling certain 2019-2020 Ram 2500, 3500 pickup trucks, and Ram 3500, 4500, and 5500 cab chassis vehicles equipped with Cummins 6.7L Turbo Diesel engines. The High Pressure Fuel Pump (HPFP) may fail, resulting in a sudden engine stall without warning.
- The risk
- An engine stall increases the risk of a crash.
- The fix
- Dealers will replace the HPFP, update the Powertrain Control Module (PCM) software, and inspect and replace additional fuel system components as necessary, free of charge. Interim owner notification letters to inform owners of the safety recall were mailed on January 4, 2022. Owner notification letters were mailed on May 17, 2022. Phase 2 owner notification letters are expected to be mailed on March 2, 2023. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is Y78.
Engine and engine cooling: engine, oil/lubrication
NHTSA campaign 21V439000 · reported June 10, 2021 · Chrysler (FCA US, LLC) · 32,002 vehicles potentially affected
- The problem
- Chrysler (FCA US, LLC) is recalling certain 2019-2020 Ram 3500, 4500, and 5500 cab chassis vehicles equipped with a Cummins 6.7L High Output engine. The engine calibration software may not warn about low oil volume.
- The risk
- Low oil can damage the engine, causing an oil leak or a punctured engine block, increasing the risk of a fire.
- The fix
- Dealers will update the engine calibration software, free of charge. Owner notification letters were mailed June 25, 2021. Owners may contact FCA US LLC customer service at 1-800-853-1403. FCA US LLC's number for this recall is Y21.
Wheels: lugs/nuts/bolts/studs
NHTSA campaign 21V398000 · reported May 27, 2021 · Chrysler (FCA US, LLC) · 447,985 vehicles potentially affected
- The problem
- 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.
- The risk
- Wheel separation can cause a vehicle crash.
- The fix
- 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: foundation components, hoses, lines/piping, and fittings
NHTSA campaign 21V023000 · reported January 26, 2021 · Excellance, Inc · 4 vehicles potentially affected
- The problem
- Excellance, Inc (Excellance) is recalling certain 2019-2020 Excellance-modified RAM 4500/5500 vehicles to be equipped with CLASS Suspension Systems. In the affected suspension systems, the rear brake caliper flexible line may have been routed so that it contacts a suspension component, possibly causing excessive wear and a loss of rear brakes.
- The risk
- A worn rear brake caliper flexible line may cause brake fluid leakage which may result in a partial or complete loss of the rear brakes, increasing the risk of a crash.
- The fix
- Excellance will notify owners, and dealers will install a kit to remedy any damage and to prevent any future damage, free of charge. The manufacturer has not yet provided a schedule for recall notification. Owners may contact Excellance customer service at 1-800-882-9799.
Service brakes · Service brakes, hydraulic: foundation components, hoses, lines/piping, and fittings · Suspension: rear
NHTSA campaign 21V016000 · reported January 20, 2021 · Custom Truck And Body Works · 6 vehicles potentially affected
- The problem
- Custom Truck And Body Works is recalling certain 2020 Dodge 4500 and 5500 vehicles. In the affected suspension systems, the rear brake caliper flexible line may have been routed so that it contacts a suspension component, possibly causing excessive wear and a loss of rear brakes.
- The risk
- A worn rear brake caliper flexible line may cause brake fluid leakage, which may result in a partial or complete loss of the rear brakes, increasing the risk of a crash.
- The fix
- Custom Truck And Body Works will notify owners, and dealers will repair the affected suspension systems, and rear brake caliper flexible line, free of charge. Owners may contact Custom Truck And Body Works customer service at 1-706-553-9178. Custom Truck And Body Works number for this recall is 20E-031.
Service brakes, hydraulic: power assist, vacuum, hoses, lines/piping, and fittings
NHTSA campaign 21V008000 · reported January 13, 2021 · Braun Northwest · 23 vehicles potentially affected
- The problem
- Braun Northwest (Braun Northwest) is recalling certain 2019-2020 RAM 4500/5500 vehicles equipped with Liquid Spring rear suspension systems. In the affected suspension systems, the rear brake caliper flexible line may have been routed so that it contacts a suspension component, possibly causing excessive wear and a loss of rear brakes.
- The risk
- A worn rear brake line may leak fluid, resulting in a partial or complete loss of the rear brakes, increasing the risk of a crash.
- The fix
- Braun Northwest will notify owners, and dealers will install a repair kit to each rear caliper and modify the rear brake caliper flexible line mounting. Any worn rear brake caliper flexible lines will be replaced as needed, free of charge. The recall began June 8, 2020. Owners may contact Braun Northwest customer service at 1-360-748-0195.
Engine and engine cooling: engine, oil/lubrication · Electrical system: software
NHTSA campaign 20V511000 · reported August 27, 2020 · Chrysler (FCA US LLC) · 32,318 vehicles potentially affected
- The problem
- Chrysler (FCA US LLC) is recalling certain 2019-2020 Ram 3500, 4500 and 5500 cab chassis built with a Cummins 6.7L High Output engine. Inadequate warmup protection can cause a lack of oil film on the engine connecting rod bearings while the engine is reaching operating temperature. This can result in engine damage and connecting rod failure, which could potentially puncture the engine block.
- The risk
- A damaged engine block may leak oil, which can contact hot engine or exhaust components, increasing the risk of a fire.
- The fix
- Chrysler will notify owners, and dealers will flash the engine calibration software to enhance the engine warm up protection, free of charge. The recall began September 10, 2020. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is W57.
What owners report
Recent complaints filed with NHTSA, shortened. These are unverified accounts from owners, not findings.
Sep 11, 2026 · Unknown or other
We purchased this vehicle as a cab and chassis and took it to a professional outfitter to have a service Knapheide box added. The box was equipped with incorporated locks. We had an issue with a check engine light and took the vehicle to the dealership since it was still with in warranty. The dealer scanned the truck…
Oct 3, 2025 · Visibility · 50,000 miles
The contact owns a 2020 Ram 4500. The contact stated that while driving approximately 65 MPH during a rainstorm, the windshield wipers were activated; however, the windshield wipers failed to engage as needed. The contact attempted to activate the windshield wipers several times, but the windshield wipers stopped…
Jun 1, 2022 · Fuel system, diesel
The contact owns a 2020 Ram 4500. The contact received notification of NHTSA Campaign Number: 21V880000 (Fuel System, Diesel) and 22V035000 (Visibility) however, the parts to do the recall repairs were not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable…
Oct 22, 2021 · Fuel/propulsion system
Truck turned off while driving and died. Would not turn back on. Was towing a 40ft gooseneck trailer with a load on it. Truck was stopped blocking multiple lanes of traffic. Truck and trailer had to be towed to nearest dealership where they found the CP4 fuel pump had failed and the entire fuel system needed to be…
Source: NHTSA recall and complaint data, updated October 27, 2026. Latest complaint received September 11, 2026.