2020 RAM 4500 Complaints and Recall Information
The 2020 RAM 4500 has 0 complaints and 19 recalls filed with NHTSA. Owners most frequently report issues related to braking system components, engine oil and lubrication concerns, and potential suspension impacts that could affect brake lines. No direct complaints from individual owners are available.
There are 19 recalls affecting this model. The recalls primarily involve service brake hydraulic components, rear suspension systems, engine lubrication software, the fuel system, and wheel lugs. The majority address risks of brake fluid leakage, engine damage, and wheel separation.
Recalls- Rear Brake Hose. Recall 22V759000 affects 26,961 vehicles. The rear brake hose inside diameter may be too small, risking rupture and loss of braking ability. Dealers will replace the rear brake hoses free of charge. Owner notification began April 27, 2023.
- Rear Brake Caliper Lines. Recalls 21V023000, 21V008000, 21V016000, and 20E031000 together affect several hundred vehicles modified with specialized suspension systems. The rear brake caliper flexible lines were routed improperly, causing wear and possible brake fluid leakage, leading to partial or complete rear brake loss. Dealers will inspect, repair, and replace affected lines free of charge. Notifications are ongoing or completed depending on the modifier.
- Wheel Lugs and Studs. Recall 21V398000 impacts 447,985 vehicles. Incorrect torque specs in manuals may cause over-tightening, resulting in broken wheel studs and possible wheel separation. Dealers will update manuals and inspect or replace studs free of charge. Owner notification was sent in late 2021.
- Engine Oil Lubrication. Recalls 21V439000 and 20V511000 affect over 32,000 vehicles with Cummins 6.7L High Output engines. Calibration software fails to warn about low oil volume and provides inadequate warmup protection. Engine damage and possible puncture of the engine block may occur, increasing fire risk. Dealers will update engine software free of charge. Owner notifications began in 2020 and 2021.
- High Pressure Fuel Pump. Recall 21V880000 affects 222,410 vehicles with Cummins 6.7L Turbo Diesel engines. The fuel pump may fail causing sudden engine stalls without warning. Dealers will replace the pump, update software, and inspect the fuel system free of charge. Notification letters were mailed starting January 2022 with phases continuing in 2023.
Owners dealing with repeated repairs for braking or engine defects or those affected by unresolved recall issues may have rights under their state’s lemon law. Consulting legal resources or consumer protection agencies is recommended for further assistance.
2020 RAM 4500 Summary
2020
Model Year
0
Total Complaints
9
Total Recalls
762106
Vehicles Affected
Recalls
2020 RAM 4500
26961 vehicles affected
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS
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."
Risk: A brake hose rupture can cause a loss of braking ability, increasing the risk of a crash.
2020 RAM 4500
4 vehicles affected
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS
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.
Risk: 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.
2020 RAM 4500
6 vehicles affected
SUSPENSION:REAR
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.
Risk: 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.
2020 RAM 4500
23 vehicles affected
SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM:HOSES, LINES/PIPING, AND FITTINGS
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.
Risk: 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.
2020 RAM 4500
222410 vehicles affected
FUEL SYSTEM, DIESEL:DELIVERY:FUEL PUMP
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.
Risk: An engine stall increases the risk of a crash.
2020 RAM 4500
32002 vehicles affected
ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION
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.
Risk: Low oil can damage the engine, causing an oil leak or a punctured engine block, increasing the risk of a fire.
2020 RAM 4500
447985 vehicles affected
WHEELS:LUGS/NUTS/BOLTS/STUDS
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.
Risk: Wheel separation can cause a vehicle crash.
2020 RAM 4500
397 vehicles affected
SUSPENSION:REAR
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."
Risk: 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.
2020 RAM 4500
32318 vehicles affected
ELECTRICAL SYSTEM:SOFTWARE
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.
Risk: A damaged engine block may leak oil, which can contact hot engine or exhaust components, increasing the risk of a fire.
Complaints
No complaints found.