2020 Ram 4500

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2020 Ram 4500
RENDERED 2026-08-02T09:39:49.028Z

Only 3 complaints on file — too few for a fair verdict.

This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.

Only 3 complaints on file — too few for a fair verdict. The data below is complete but unranked.

How is this computed?

COMPLAINTS PER YEAR

Complaints per year, Ram 4500 Bar chart of distinct NHTSA complaints filed per model year, 2020 highlighted. 2008: 0 complaints 2008 2009: 1 complaints 2011: 0 complaints 2012: 0 complaints 2012 2013: 3 complaints 2014: 8 complaints 2015: 7 complaints 2015 2016: 1 complaints 2017: 4 complaints 2018: 8 complaints 2018 2019: 6 complaints 2020: 3 complaints 2020 2021: 0 complaints 2021 2022: 3 complaints 2023: 0 complaints 2024: 1 complaints 2024 2025: 0 complaints 2026: 0 complaints 2026
2020: 3 complaints
View as data table
YearComplaints
20080
20091
20110
20120
20133
20148
20157
20161
20174
20188
20196
20203
20210
20223
20230
20241
20250
20260

KNOWN PROBLEM AREAS

Only 3 complaints on file for this model year -- too few to rank by share. Raw counts only, below.

VISIBILITY

2 of 3 total reports mention: visibility.

Show complaint excerpts

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.

NHTSA ODI report, 20251003

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.

NHTSA ODI report, 20220601

FUEL/PROPULSION SYSTEM

1 of 3 total reports mentions: fuel/propulsion system.

Show complaint excerpts

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.

NHTSA ODI report, 20211022

FUEL SYSTEM, DIESEL

1 of 3 total reports mentions: fuel system, diesel.

Show complaint excerpts

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.

NHTSA ODI report, 20220601

SAFETY TIMELINE

R 20200513 — service brakes, service brakes, hydraulic, suspension

LiquidSpring LLC (LiquidSpring) is recalling certain Compressible Liquid Adaptive Suspension Systems (C.L.A.S.S.), part numbers DS135RS3A, DS135RS3AF, DS135RS3-DM, sold for use with 2019-2020 RAM 4500 and 5500 vehicles.

Remedy: LiquidSpring has notified the purchasers, and the affected vehicle manufacturers will file recalls to have their dealers inspect the rear brake caliper flexible lines for wear and install a kit to modify the rear brake caliper flexible line...

Campaign 20E031000 — check if this car was fixed

R 20200608 — service brakes, hydraulic

Braun Northwest (Braun Northwest) is recalling certain 2019-2020 RAM 4500/5500 vehicles equipped with Liquid Spring rear suspension systems.

Remedy: 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.

Campaign 21V008000 — check if this car was fixed

R 20200910 — electrical system, engine and engine cooling

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.

Remedy: 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.

Campaign 20V511000 — check if this car was fixed

R 20210115 — service brakes, service brakes, hydraulic, suspension

Custom Truck And Body Works is recalling certain 2020 Dodge 4500 and 5500 vehicles.

Remedy: 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.

Campaign 21V016000 — check if this car was fixed

R 20210507 — service brakes, hydraulic

Excellance, Inc (Excellance) is recalling certain 2019-2020 Excellance-modified RAM 4500/5500 vehicles to be equipped with CLASS Suspension Systems.

Remedy: 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.

Campaign 21V023000 — check if this car was fixed

R 20210625 — engine and engine cooling

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.

Remedy: 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.

Campaign 21V439000 — check if this car was fixed

R 20210826 — wheels

Chrysler (FCA US, LLC) is recalling certain 2012-2021 RAM 3500, 3500 Cab Chassis, 4500 Cab Chassis, and 5500 Cab Chassis vehicles.

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.

Campaign 21V398000 — check if this car was fixed

I 20211014 — PE (closed 20230414)

High pressure fuel pump failure

R 20220215 — visibility

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.

Remedy: 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.

Campaign 22V035000 — check if this car was fixed

R 20220517 — fuel system, diesel

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.

Remedy: 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.

Campaign 21V880000 — check if this car was fixed

I 20230317 — EA (open)

High pressure fuel pump failure

R 20230427 — service brakes, hydraulic

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.

Remedy: 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.

Campaign 22V759000 — check if this car was fixed

BUY-SMART CHECKLIST

2020 Ram 4500 — pre-purchase inspection

  • Test/inspect for visibility issues (2 reports on file for this year).
  • Test/inspect for fuel/propulsion system issues (1 reports on file for this year).
  • Test/inspect for fuel system, diesel issues (1 reports on file for this year).
  • Verify recall 20E031000 (service brakes, service brakes, hydraulic, suspension) has been completed.
  • Verify recall 21V008000 (service brakes, hydraulic) has been completed.
  • Verify recall 20V511000 (electrical system, engine and engine cooling) has been completed.
  • Verify recall 21V016000 (service brakes, service brakes, hydraulic, suspension) has been completed.
  • Verify recall 21V023000 (service brakes, hydraulic) has been completed.
  • Verify recall 21V439000 (engine and engine cooling) has been completed.
  • Verify recall 21V398000 (wheels) has been completed.
  • Verify recall 22V035000 (visibility) has been completed.
  • Verify recall 21V880000 (fuel system, diesel) has been completed.
  • Verify recall 22V759000 (service brakes, hydraulic) has been completed.

FAQ

Is the 2020 Ram 4500 reliable?

There isn't enough NHTSA complaint data on file yet to give this model year a verdict.

What are the most common problems with the 2020 Ram 4500?

The most-reported component is visibility, accounting for 67% of complaints on file.

How many recalls does the 2020 Ram 4500 have?

10 recalls on file for this model year.

Data updated 2026-07-11 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.