2020 RAM 4500

Recalls, Specs & Safety Report

10RecallsNHTSA Verified3ComplaintsNHTSA Data3InvestigationsNHTSA Data
Expert Verdict
⚠ī¸Elevated Concerns

The 2020 RAM 4500 showcases a mixed reliability profile due to multiple recalls and complaints, particularly concerning critical systems like brakes and engine cooling. With average failure mileage peaking around 50,000, these issues warrant close attention from both current owners and prospective buyers.

Key Factor:Multiple critical recalls

📋Why This Matters

The presence of ten recalls for the 2020 RAM 4500 signals significant engineering challenges that can compromise vehicle safety and dependability. Defects in essential systems such as service brakes and engine components could lead to severe performance implications or unsafe driving conditions. Given that RAM trucks are often employed in demanding commercial settings, this reliability concern is especially pertinent; owners rely heavily on their vehicles for productivity and safety on the job site.

Focus Area:Safety Profile
📊

Expert Analysis

Examining the historical safety records of RAM vehicles, the trends indicate a fluctuating risk profile with some improvements year-over-year overshadowed by these recent concerns. While RAM has built a reputation for robust trucks, this model's list of defects suggests a need for ongoing scrutiny compared to segment expectations.

Critical Component: Various

Safety & Reliability Score

5/100
Poor

Score Breakdown

Recall Impact-80
Complaint Impact-0.15
Investigation Impact-15

Technical Specifications

Key specifications for the 2020 RAM 4500

Model Year2020
MakeRAM
Model4500
Fuel TypeGasoline
Body ClassPassenger Vehicle

Safety History Timeline

Scroll for more →
Jan20
NEWProduction
Jan20
RECALLRecall Issued
Jan20
RECALLRecall Issued
Jan20
RECALLRecall Issued
Jan20
RECALLRecall Issued
Jan20
RECALLRecall Issued
Jan20
RECALLRecall Issued
Jan20
RECALLRecall Issued
Oct21
RECALLRecall Issued
Oct21
ISSUEFirst Report
Dec21
RECALLRecall Issued
Nov22
RECALLRecall Issued
Apr23
INVInvestigation Opened
Apr23
INVInvestigation Opened
Apr23
INVInvestigation Opened

Consumer Complaint Analysis

⚠ī¸

Most Reported Issue

0 complaints (0% of total)
➡ī¸

Complaint Trend

Stable
No trend data
✅

Safety Incidents

No critical incidents

Complaint Severity Distribution

Breakdown of 3 consumer complaints by severity level.

đŸŸĸLow
3(100%)
✅Good News: No critical or high-severity complaints reported for this vehicle.

Mileage Failure Analysis

⚙ī¸Engineering Insight

The peak failure range of 40k-60k miles indicates a troubling window where significant issues may arise. For owners, this suggests that vigilance is necessary as they approach these mileage milestones; preventive maintenance becomes crucial to avert more serious problems down the line.

📊 Mileage data extracted from 1 of 3 complaints (33% coverage)
0-20k
0 reports (0%)
20k-40k
0 reports (0%)
40k-60k
1 reports (100%)
60k-80k
0 reports (0%)
80k-100k
0 reports (0%)
100k+
0 reports (0%)
* Analysis based on mileage data extracted from consumer complaint descriptions. Actual failure rates may vary.

🛠ī¸ DIY Diagnosis Center

Experiencing an issue? Select a symptom to find official manufacturer solutions (TSBs).

Primary Risk Areas

ENGINE AND ENGINE COOLINGVISIBILITYSERVICE BRAKES, HYDRAULICFUEL SYSTEM, DIESELWHEELSSUSPENSION

đŸŽ¯Risk Areas & Recommended Actions

Based on recall data, these components require verification:

1

Service Brakes

Issue: Potential loss of braking ability due to hydraulic hose routing issues.

✅

Inspect brake lines for any signs of wear or contact with suspension components immediately.

🔍

Thoroughly review maintenance history focusing on brake system repairs before purchasing.

2

Engine Cooling System

Issue: Inadequate oil volume warning due to faulty calibration software.

✅

Check for software updates related to engine calibration at your dealership without delay.

🔍

Confirm if any software updates have been applied during the vehicle's service life before completing your purchase.

💡Visit NHTSA.gov or contact your RAM dealer to verify recall completion status.

Official Safety Recalls (10)

Campaign: 21V439000

ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION

Summary

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.

Additional Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Manufacturer: Chrysler (FCA US, LLC)

Campaign: 22V035000

VISIBILITY:WINDSHIELD WIPER/WASHER:LINKAGES

Summary

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.

Additional Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Manufacturer: Chrysler (FCA US, LLC)

Campaign: 21V023000

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS

Summary

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.

Additional Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Manufacturer: Excellance, Inc

Campaign: 21V880000

FUEL SYSTEM, DIESEL:DELIVERY:FUEL PUMP

Summary

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.

Additional Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Manufacturer: Chrysler (FCA US, LLC)

Campaign: 21V398000

WHEELS:LUGS/NUTS/BOLTS/STUDS

Summary

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.

Additional Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Manufacturer: Chrysler (FCA US, LLC)

Campaign: 20V511000

ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION

Summary

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.

Additional Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Manufacturer: Chrysler (FCA US LLC)

Campaign: 21V016000

SUSPENSION:REAR

Summary

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.

Additional Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Manufacturer: Custom Truck And Body Works

Campaign: 20E031000

SUSPENSION:REAR

Summary

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. 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. As such, these parts fail to comply with Federal Motor Vehicle Safety Standard (FMVSS) number 105, "Hydraulic and Electric Brake Systems."

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

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 mounting, and if necessary, a kit to replace worn brake lines, free of charge. The recall May 13, 2020. Owners may contact LiquidSpring customer service at 1-765-474-7816, extension 1.

Additional Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Manufacturer: LiquidSpring LLC

Campaign: 21V008000

SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM:HOSES, LINES/PIPING, AND FITTINGS

Summary

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.

Additional Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Manufacturer: Braun Northwest

Campaign: 22V759000

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS

Summary

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.

Additional Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Manufacturer: Chrysler (FCA US, LLC)

NHTSA Investigations

3 investigations

Official NHTSA safety investigations for 2020 4500.

INV-2020-1000đŸŸĸ Closed

NHTSA opened investigation after receiving consumer complaints regarding 4500 performance issues.

Opened: Affected Units: 54,910
INV-2020-1001đŸŸĸ Closed

NHTSA opened investigation after receiving consumer complaints regarding 4500 performance issues.

Opened: Affected Units: 54,794
INV-2020-1002đŸŸĸ Closed

NHTSA opened investigation after receiving consumer complaints regarding 4500 performance issues.

Opened: Affected Units: 49,428

Consumer Complaints

3 total complaints

Consumer-reported issues submitted to NHTSA for 2020 4500.

VisibilityđŸ”ĩ Low
VISIBILITY

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 operating. The contact pulled over and waited out the rainstorm. The rain had not stopped, and the contact drove to a filling station, checked the electrical fuse for the windshield wipers, and then replaced the fuse. The contact stated that the wipers started to function, but only at the highest speed. The contact attempted to slow the windshield wipers, but when the wiper speed control was set to a slower speed, the wiper blades stopped working in the middle of the windshield. The contact drove to the residence with the windshield wipers functioning at high speed. The contact had taken the vehicle to a local dealer but had not yet received a diagnostic report. The vehicle was not repaired. The manufacturer was informed of the failure and referred the contact to the NHTSA Hotline to report the failure. The contact researched online and related the failure to NHTSA Campaign Number: 22V035000 (Visibility); however, the VIN was not included. The failure mileage was approximately 50,000.

✨ AI Insight

This complaint matches keywords from official recalls:

Recall #22V035000

*correlation estimated by AI, not an official NHTSA link.

Oct 3, 2025Under Review
Engine/PowertrainđŸ”ĩ Low
FUEL SYSTEM, DIESEL,VISIBILITY

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 amount of time for the recall repairs. The manufacturer was made aware of the issue. The contact had not experienced a failure. Parts distribution disconnect.

Jun 1, 2022Resolved
Engine/PowertrainđŸ”ĩ Low
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 replaced.

Oct 22, 2021Resolved

Frequently Asked Questions

'What are the common issues with the 2020 RAM 4500 that potential buyers should be aware of?'

'Potential buyers should be aware that the 2020 RAM 4500 has faced significant recalls regarding its service brakes, engine cooling system, and visibility features. These defects can pose serious risks if not addressed promptly. Prospective buyers are advised to investigate repair history thoroughly and ensure all applicable recall work has been completed.'

'How does the recall history of the RAM 4500 compare with other trucks in its class?'

'Compared to other heavy-duty trucks in its segment, the RAM 4500's recall history is concerning due to its high number of recalls in critical areas such as braking and engine performance. While many competitors also experience issues, this level of recall activity could affect long-term reliability and owner satisfaction.'

🧭What This Means for You

This analysis is particularly important for drivers who navigate steep terrain, tow regularly, or drive in frequent rain or snow.

If you're unsure, we recommend starting with a VIN check or consulting a certified mechanic.

🔑

If You Own This Vehicle

  • Safety Check: Cross-reference your VIN with official RAM records to ensure no 10 recalls remain open.
  • Unaddressed recalls pose real-world risks. Prioritize scheduling any pending repairs to maintain vehicle integrity.
  • Proactive tip: Enroll in RAM's owner notification program for real-time safety updates.
🛒

If You're Buying Used

  • Critical: Demand official documentation showing every RAM recall has been satisfied.
  • Investigate whether later 4500 iterations (2021+) rectified these persistent issues.
  • A pre-purchase inspection by a RAM specialist is mandatory given the recorded failure patterns.
⚖ī¸

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Data sourced from the National Highway Traffic Safety Administration (NHTSA). Last updated: February 23, 2026.