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2021 RAM 2500: common problems

The maker issued 554 service bulletins for this year. Details by component below, with sources.

Key figures

Technical service bulletins (TSB)
554

Components owners complain about

ComponentOwner complaintsinvolving a crashTechnical service bulletins (TSB)
Electrical system00173
Equipment00112
Structure0049
Engine and cooling0046
Engine0043
Fuel system0043
Powertrain0043
Visibility0041
Backover prevention0040
Exterior lighting0014
Service brakes0013
Seats009
Suspension009
Wheels009

Comparison

What to check before buying

Manufacturer service bulletins

Bulletin titles as filed with NHTSA.

NHTSA lists 554 bulletins for this year; the 12 newest are shown here.

Other years of this model

Questions and answers

What are the most common problems with the 2021 RAM 2500?

There are no owner complaints in the NHTSA data for this year; the data comes from 554 manufacturer service bulletins.

How many service bulletins (TSB) were issued for the 2021 RAM 2500?

NHTSA lists 554 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.

Should I buy a 2021 RAM 2500 from a US auction?

Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.

Other 2021 models

Read also

Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.