2020 Ram 4500
The 2020 Ram 4500 appears in 9 NHTSA recall campaigns (service brakes, hydraulic, visibility and fuel system, diesel) and in 0 consumer complaints filed with the agency.
No consumer complaints for this model year are in the NHTSA file.
NHTSA's Office of Defects Investigation has opened 2 investigations naming this model year.
Complaints are consumer reports and have not been verified by NHTSA. Recall text is the manufacturer's Part 573 report as filed with NHTSA. Complaint file through 15 May 2019; recall file through 29 Sep 2026.
Recalls by model year:
Recall campaigns
- 22V759000SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGSReported 11 Oct 2022 · 26,961 units
Defect, as filed: 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."
Consequence: A brake hose rupture can cause a loss of braking ability, increasing the risk of a crash.
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.
Filed by Chrysler (FCA US, LLC) (manufacturer campaign ZA5).
Defect, as filed: 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.
Consequence: Reduced visibility increases the risk of a crash.
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. FCA US, LLC's number for this recall is Z08.
Filed by Chrysler (FCA US, LLC) (manufacturer campaign Z08).
Defect, as filed: 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.
Consequence: An engine stall increases the risk of a crash.
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. 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.
Filed by Chrysler (FCA US, LLC) (manufacturer campaign Y78).
Defect, as filed: 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.
Consequence: Low oil can damage the engine, causing an oil leak or a punctured engine block, increasing the risk of a fire.
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.
Filed by Chrysler (FCA US, LLC) (manufacturer campaign Y21).
Defect, as filed: 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: 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.
Filed by Chrysler (FCA US, LLC) (manufacturer campaign Y26, Y36).
- 21V023000SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGSReported 26 Jan 2021 · 4 units
Defect, as filed: 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.
Consequence: 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.
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. Owners may contact Excellance customer service at 1-800-882-9799.
Filed by Excellance, Inc.
Defect, as filed: 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.
Consequence: 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.
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. Custom Truck And Body Works number for this recall is 20E-031.
Filed by Custom Truck And Body Works (manufacturer campaign 20E-031); components: service brakes; service brakes, hydraulic:foundation components:hoses, lines/piping, and fittings; suspension:rear.
- 21V008000SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM:HOSES, LINES/PIPING, AND FITTINGSReported 13 Jan 2021 · 23 units
Defect, as filed: 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.
Consequence: 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.
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. The recall began June 8, 2020. Owners may contact Braun Northwest customer service at 1-360-748-0195.
Filed by Braun Northwest.
Defect, as filed: 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.
Consequence: A damaged engine block may leak oil, which can contact hot engine or exhaust components, increasing the risk of a fire.
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. Chrysler's number for this recall is W57.
Filed by Chrysler (FCA US LLC) (manufacturer campaign W57); components: engine and engine cooling:engine:oil/lubrication; electrical system:software.
Each entry links to the NHTSA record. NHTSA states that safety recall repairs are free of charge at an authorised dealer; check a specific vehicle by VIN at nhtsa.gov/recalls.
Complaints by component
No consumer complaints for this model year are in the NHTSA file.
Investigations
| Action | Type | Subject | Component | Opened | Closed | Recall |
|---|---|---|---|---|---|---|
| EA23001 | Engineering analysis | High pressure fuel pump failure | fuel system, diesel:delivery:fuel pump | 17 Mar 2023 | open | 24V957 |
| PE21021 | Preliminary evaluation | High pressure fuel pump failure | fuel system, diesel:delivery:fuel pump | 14 Oct 2021 | 14 Apr 2023 | — |
Other Ram 4500 model years
| Model year | Recalls | Complaints | Units in campaigns |
|---|---|---|---|
| 2008 NHTSA | 1 | 0 | 74,811 |
| 2009 | 2 | 1 | 402,988 |
| 2013 | 9 | 2 | 5,303,754 |
| 2014 | 9 | 4 | 10,045,628 |
| 2015 | 8 | 5 | 8,671,058 |
| 2016 | 7 | 1 | 7,253,115 |
| 2017 | 7 | 1 | 7,750,277 |
| 2018 | 7 | 0 | 5,826,022 |
| 2019 | 9 | 0 | 933,991 |
| 2020 | 9 | 0 | 933,498 |
| 2021 | 5 | 0 | 900,975 |
| 2022 | 4 | 0 | 438,683 |
| 2023 | 4 | 0 | 525,492 |
| 2024 | 2 | 0 | 223,415 |
| 2025 | 4 | 0 | 646,709 |
| 2026 | 4 | 0 | 597,029 |
Model years with a single campaign and fewer than 25 complaints have no page here; the NHTSA link opens the agency's record for that year.
All Ram 4500 model years · Ram: 10 model lines
Questions and answers
How many recalls does the 2020 Ram 4500 have?
9 NHTSA recall campaigns name this model year; the most recent, 22V759000, was reported to NHTSA on 11 Oct 2022 and concerns service brakes, hydraulic:foundation components:hoses, lines/piping, and fittings. Across all model years the Ram 4500 line has 41 campaigns.
Is there an open NHTSA investigation into the 2020 Ram 4500?
NHTSA's investigation file lists 2 actions naming this model year; the table above shows each action's opening and closing dates. An action with no closing date was still open when the file was produced.
What component do owners of the 2020 Ram 4500 complain about most?
No complaints for this model year are in the NHTSA file.
How do I get a recall repaired?
NHTSA states that safety recall repairs are performed free of charge by the manufacturer's authorised dealers. Each campaign's remedy text above is the manufacturer's statement as filed with NHTSA. Check your VIN at nhtsa.gov/recalls to see whether a specific vehicle has an unrepaired recall.
Where does this data come from?
NHTSA's Office of Defects Investigation recall, complaint and investigation flat files, public domain, downloaded 29 Sep 2026. Complaint counts are unique complaint numbers per make, model and model year; component figures count each component a complaint names. The NHTSA record linked from each campaign is authoritative.
Provenance
Source: National Highway Traffic Safety Administration, Office of Defects Investigation flat files (recalls, complaints, investigations), public domain, files dated 29 Sep 2026 (recalls) and 15 May 2019 (complaints). Complaints since 1 Jan 1995. Counts are unique complaint numbers per make, model and model year; per-1,000 rates divide a component's mentions by all mentions for the same group. Errors in processing are corrected at the next daily build; see corrections and the methodology.