2021 RAM 4500 — Problems, Recalls & Safety Data
N/A
Safety Rating
0
Owner Complaints
5
Recalls
32
Service Bulletins
0
Investigations
Overview of the 2021 RAM 4500
The 2021 RAM 4500 has received a total of 0 safety complaints filed with the National Highway Traffic Safety Administration (NHTSA). There have been 8 recall campaigns affecting this vehicle, covering issues with STEERING:STEERING CONTROL MODULE, AIR BAGS:FRONTAL, ELECTRICAL SYSTEM:WIRING:RELAYS/SOLENOIDS. 32 technical service bulletins have been issued by Chrysler (FCA US, LLC) for this model year.
Recalls for the 2021 RAM 4500
NHTSA has recorded 8 recalls for the 2021 RAM 4500, potentially affecting up to 1,797,477 vehicles.
Recall 25V765000 — STEERING:STEERING CONTROL MODULE
| 532 vehicles affected
Defect: Chrysler (FCA US, LLC) is recalling certain 2021-2022 Ram 1500, Ram 2500, Ram 3500, Ram 4500, and Ram 5500 vehicles. The steering column control module may cause the driver's side air bag not to deploy as intended. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."
Consequence: A driver's side air bag that does not deploy as intended increases the risk of injury in a crash.
Remedy: Dealers will replace the steering column control module, free of charge. Owner notification letters were mailed beginning December 11, 2025. Owners may contact Chrysler customer service at 800-853-1403. Chrysler's number for this recall is 14C. Vehicle Identification Numbers (VINs) involved...
View full details →Recall 25V765000 — AIR BAGS:FRONTAL
| 532 vehicles affected
Defect: Chrysler (FCA US, LLC) is recalling certain 2021-2022 Ram 1500, Ram 2500, Ram 3500, Ram 4500, and Ram 5500 vehicles. The steering column control module may cause the driver's side air bag not to deploy as intended. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."
Consequence: A driver's side air bag that does not deploy as intended increases the risk of injury in a crash.
Remedy: Dealers will replace the steering column control module, free of charge. Owner notification letters were mailed beginning December 11, 2025. Owners may contact Chrysler customer service at 800-853-1403. Chrysler's number for this recall is 14C. Vehicle Identification Numbers (VINs) involved...
View full details →Recall 23V060000 — ELECTRICAL SYSTEM:WIRING:RELAYS/SOLENOIDS
| 302,067 vehicles affected
Defect: Chrysler (FCA US, LLC) is recalling certain 2021-2023 Ram 2500, 3500, 3500 Cab Chassis, and 4500, 5500 Cab Chassis vehicles equipped with a Cummins 6.7L Turbo Diesel engine. An electrical short may occur in the heater grid relay with the ignition on or off.
Consequence: An electrical short in the relay can result in an engine compartment fire with the ignition on or off, increasing the risk of injury.
Remedy: Owners are advised to park outside and away from structures until the recall repair is complete. Dealers will replace the relay, free of charge. This will be a Phased campaign. Phase 1 will include 2023 model year vehicles. FCA US...
View full details →Recall 21V798000 — ELECTRICAL SYSTEM:WIRING:RELAYS/SOLENOIDS
| 131,177 vehicles affected
Defect: Chrysler (FCA US, LLC) is recalling certain 2021-2022 Ram 3500, 2500 pickup trucks, and Ram 3500, 4500, and 5500 cab chassis vehicles equipped with Cummins 6.7L Turbo Diesel engines. An electrical short in the relay may cause a vehicle fire with the ignition on or off.
Consequence: A vehicle fire increases the risk of injury.
Remedy: Owners are advised to park these vehicles outside of buildings or structures, and not near other vehicles, until the vehicle has been remedied. Dealers will inspect and, if needed, replace the Solid State Intake Heater Grid Relay ("Relay"); if FCA...
View full details →Recall 21V398000 — WHEELS:LUGS/NUTS/BOLTS/STUDS
| 447,985 vehicles affected
Defect: 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...
View full details →Recall 21V398000 — WHEELS:LUGS/NUTS/BOLTS/STUDS
| 447,985 vehicles affected
Defect: 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...
View full details →Recall 21V398000 — WHEELS:LUGS/NUTS/BOLTS/STUDS
| 447,985 vehicles affected
Defect: 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...
View full details →Recall 21V163000 — ELECTRICAL SYSTEM
| 19,214 vehicles affected
Defect: Chrysler (FCA US, LLC) is recalling certain 2021 Ram 2500, 3500, and 3500, 4500, and 5500 Cab Chassis vehicles equipped with a Cummins 6.7L Turbo Diesel engine. An electrical short may occur in the Solid State Intake Heater Grid Relay, which could result in a vehicle fire.
Consequence: A vehicle fire increases the risk of injury.
Remedy: Dealers will inspect and, if needed, replace the Solid State Intake Heater Grid Relay ("Relay"); if FCA US Recall ID Y08 (NHTSA Recall ID 21V-163) is open, then insulating material will be applied to the Relay after inspection. Customers are...
View full details →Owner Complaints for the 2021 RAM 4500
No complaints have been filed with NHTSA for the 2021 RAM 4500.
Safety Rating for the 2021 RAM 4500
NHTSA has not yet tested the 2021 RAM 4500 in its New Car Assessment Program.
Technical Service Bulletins for the 2021 RAM 4500
Chrysler (FCA US, LLC) has issued 32 technical service bulletins (TSBs) for the 2021 RAM 4500. TSBs are notices sent by manufacturers to their dealers describing a known issue and the recommended repair procedure.
14-010-25 REV. B — FUEL/PROPULSION SYSTEM
"Frequent Repairs Of Fuel System Components Such As Fuel Filters Numerous Stellantis vehicles having fuel line components replaced such as fuel filter. Occasionally, components are replaced before their standard life expectancy or when not contaminated with debris "
25-007-24 — ENGINE
"Diesel Exhaust Fluid (DEF) Fluid Freezing Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● P203E-00 - Reductant Level Sensor 1 Circuit Intermittent-Erratic. Customers may also experience one or more of the following: ● Repeated freeze/thaw cycles of...
25-006-24 — ENGINE
"Diesel Exhaust Fluid (DEF) Fluid Freezing Warranty Extension XR1 Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● P203E-00 - Reductant Level Sensor 1 Circuit Intermittent-Erratic. Customers may also experience one or more of the following: ● Repeated...
1807823 — POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find one or more of the following DTCs have been set: ? U0418-00 - Implausible Data Received From Brake System Control Module 1. ? P061A - Level 2 Torque...
1807823 — POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find one or more of the following DTCs have been set: ? U0418-00 - Implausible Data Received From Brake System Control Module 1. ? P061A - Level 2 Torque...
0300323 — ENGINE AND ENGINE COOLING
Clicking Noise While In 4wd Ratcheting, Click, or Clicking noise in 4WD while turning. This bulletin involves replacing the front driveshaft.
0812923 — UNKNOWN OR OTHER
Radio Over The Air Updating from PR39.92 to PR40.12 Software Version ? Radio Wi-Fi Hotspot connection not working. This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the...
9100112 — ENGINE AND ENGINE COOLING
Gasket, Cylinder Head Cover For US dealers, and 21-22 model year vehicles only. If replacing the cylinder head cover/fuel injector harness gasket due to an oil leak, please also replace the following components: 1. 68445548A$ - Cover, Cylinder Head (includes gasket); 2. 05179087A$ - Housing, Rocker Arm; 3. 68005453A$ -...
88076 — FUEL SYSTEM, DIESEL
Warranty Bulletin D-22-16 (X97 Diesel Particulate Filter (DPF) - Select 2021 - 2022 Ram 3500 Cab Chassis (DD) and 2021 - 2022 Ram 4500/5500 Cab Chassis (DP)
1812722 — ELECTRICAL SYSTEM
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Engine Control Module (ECM) / Powertrain Control Module (PCM) with the latest available software. PCM software related to this Technical Service Bulletin (TSB) is included within the Y43 Recall. If not already completed, please perform the Y43 recall if...
Showing 10 of 32 technical service bulletins.
NHTSA Investigations for the 2021 RAM 4500
There are no NHTSA defect investigations on record for this vehicle.
Other Model Years of the RAM 4500
- 2016 RAM 4500 — 1 complaint
- 2017 RAM 4500 — 5 complaints
- 2018 RAM 4500 — 13 complaints
- 2019 RAM 4500 — 8 complaints
- 2020 RAM 4500 — 4 complaints
- 2021 RAM 4500 (current)
- 2022 RAM 4500 — 3 complaints
- 2023 RAM 4500 — 0 complaints
- 2024 RAM 4500 — 2 complaints
- 2025 RAM 4500 — 0 complaints
- 2026 RAM 4500 — 0 complaints
Other RAM Models
- RAM 1500 — 15,786 total complaints
- RAM 2500 — 7,223 total complaints
- RAM 3500 — 3,311 total complaints
- RAM PROMASTER — 739 total complaints
- RAM 5500 — 194 total complaints
- RAM PROMASTER CITY — 139 total complaints
- RAM PROMASTER 2500 — 52 total complaints
- RAM PROMASTER 3500 — 30 total complaints