No complaints are listed for the 2021 Ram 4500. NHTSA's API and bulk file list none in this build.
Data build 2026-10-08.
NHTSA lists this vehicle as RAM 4500.
Model-generated complaint tags: No complaints are listed for tagging.
Recalls
See new recalls and investigations this week.
5 recalls.
Date: 2025-11-06. Systems: AIR BAGS, STEERING.
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 in this recall became searchable on NHTSA.gov beginning November 13, 2025.
Do not drive: No. Park outside: No.
Date: 2023-02-09. Systems: ELECTRICAL SYSTEM.
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. (excerpt)
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. (excerpt)
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 will notify dealers on or about 3/23/2023 and begin notifying owners on or about 4/5/2023. Phase 2 will include 2022 model year vehicles and Phase 3 will include 20 (excerpt)
Do not drive: No. Park outside: Yes.
Date: 2021-10-14. Systems: ELECTRICAL SYSTEM.
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. (excerpt)
Consequence: A vehicle fire increases the risk of injury. (excerpt)
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 US Recall ID Y08 (NHTSA Recall ID 21V-163) is open, then insulating material will be applied to the Relay after inspection. Owner notification letters (excerpt)
Do not drive: No. Park outside: Yes.
Date: 2021-05-27. Systems: WHEELS.
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. (excerpt)
Consequence: Wheel separation can cause a vehicle crash. (excerpt)
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 De (excerpt)
Do not drive: No. Park outside: No.
Date: 2021-03-11. Systems: ELECTRICAL SYSTEM.
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. (excerpt)
Consequence: A vehicle fire increases the risk of injury. (excerpt)
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 advised to not park these vehicles inside of buildings or structures, or near other vehicles until the vehicle has the final repair completed. Owner notifica (excerpt)
Do not drive: No. Park outside: No.
Manufacturer communications
444 manufacturer communications.
Communications by system| System | Count |
|---|
| ELECTRICAL SYSTEM | 111 |
|---|
| EQUIPMENT | 94 |
|---|
| ENGINE AND ENGINE COOLING | 38 |
|---|
| POWER TRAIN | 32 |
|---|
| VISIBILITY | 29 |
|---|
| STRUCTURE | 27 |
|---|
| BACK OVER PREVENTION | 26 |
|---|
| ENGINE | 25 |
|---|
11036753
Date: 2026-08-26. Type: Service Bulletin/Repair Instructions. Systems: ENGINE.
RADIATOR - ENGINE COOLING
11036754
Date: 2026-08-26. Type: Service Bulletin/Repair Instructions. Systems: ENGINE.
RADIATOR - ENGINE COOLING
11035980
Date: 2026-07-29. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM, ENGINE.
SENSOR - TURBOCHARGER SPEED
11035981
Date: 2026-07-29. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM, ENGINE.
SENSOR - TURBOCHARGER SPEED
11035074
Date: 2026-07-06. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
CORE a HEATER
11034909
Date: 2026-06-29. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM, STRUCTURE.
SWITCH a HEADLAMP
11034910
Date: 2026-06-29. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM, STRUCTURE.
SWITCH a HEADLAMP
11034385
Date: 2026-06-26. Type: Service Bulletin/Repair Instructions. Systems: STRUCTURE.
Backup Camera Poor Image Quality Inspection
11034375
Date: 2026-06-25. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
OUTLET - AIR CONDITIONING & HEATER
11034376
Date: 2026-06-25. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
OUTLET - AIR CONDITIONING & HEATER