What the source says
The documented condition
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.
Consequence identified by NHTSA
Wheel separation can cause a vehicle crash.
Campaign 21V398000; report received 2021-05-27. Source checked 2026-10-18.
Source component: WHEELS:LUGS/NUTS/BOLTS/STUDS
Compare the pattern
Symptoms and vehicle scope
Condition described by NHTSA
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.
Vehicles and limits
- NHTSA model names: 3500. Model years: 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021.
- NHTSA campaign 21V398000
- The complete campaign lists 447,985 potentially affected units across all listed vehicles.
- A make, model and year match does not establish VIN eligibility.
Manufacturer position
What the official procedure directs
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.
Mileage context
Safety recall eligibility is based on the VIN and campaign scope, not ordinary warranty mileage. Check the complete VIN even when the vehicle is outside its original warranty.
Original evidence
Open the documents behind this record.
NHTSA safety recall · 21V398000 · 2021-05-27
NHTSA campaign 21V398000
Official component, defect, consequence and remedy; checked 2026-10-18.
Repair paths and safe checks
Match the action to the evidence.
Official recall 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.
Confirm VIN eligibility and current remedy instructions with the manufacturer.
Check the complete VIN
Check the 17-character VIN at NHTSA.gov/recalls and ask the manufacturer whether this campaign remains open for the vehicle.
The model-year list is not proof that an individual vehicle is affected.
Record reviewed in the source on 2026-10-18. Confirm the current document and VIN instructions before arranging work.