Defect Summary: 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.
The 2021 Ram 2500 is associated with 105 official NHTSA owner defect complaints and 8 safety recall campaigns in the federal safety database. The most frequently reported component area is Electrical System, accounting for 12 reports (11% of total complaints).
- • NHTSA Owner Complaints: 105 reports
- • Safety Recall Campaigns: 8 campaigns
- • Top Reported Defect Area: Electrical System (12 / 11%)
- • Safety Incident Signals: 6 crash / 8 fire / 2 injury reports
- • NHTSA Overall Safety Rating: 4 / 5 Stars
What is the fuel economy and range of the 2021 Ram 2500?
Official EPA laboratory test ratings, electric driving range, and annual energy cost estimates by certified vehicle variant
Official EPA fuel economy records are not currently published for the 2021 Ram 2500.
What are the crash test safety ratings for the 2021 Ram 2500?
Official 5-Star Safety Ratings evaluated by the National Highway Traffic Safety Administration
| Tested Drivetrain / Cab Variant | Overall Rating | Frontal Crash | Side Crash | Rollover Rating | Rollover Risk |
|---|---|---|---|---|---|
| Regular PU/RC 4WD | 29.2% | ||||
| Crew PU/CC 2WD | 19.8% | ||||
| Regular PU/RC 2WD | 19.8% | ||||
| Mega PU/EC 4WD | 29.2% | ||||
| Crew PU/CC 4WD | 29.2% |
Optional and Lane Departure Warning (LDW) is documented as No in official NHTSA records for tested 2021 Ram 2500 models.
What defect complaints are reported for the 2021 Ram 2500?
Summary of 105 verified consumer defect submissions filed with the NHTSA Office of Defects Investigation (ODI)
Top Reported Problem Categories
Ranked by total consumer complaint submissions recorded by NHTSA
Data Attribution & Context: Complaints are self-reported by vehicle owners to NHTSA and represent unverified consumer submissions. Complaint volume does not equal a statistically controlled failure rate and is not adjusted for total vehicles sold or cumulative mileage driven.
View all 2021 Ram 2500 problems & component breakdown (44 categories) →Are there open safety recalls on the 2021 Ram 2500?
Manufacturer safety recall campaigns monitored and recorded by NHTSA
Defect Summary: 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.
Defect Summary: 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."
The specifications, safety ratings, defect reports, and recall campaigns published on this page are retrieved directly from official United States Government agency databases:
- NHTSA Office of Defects Investigation (ODI): Consumer complaints and defect reports.
- NHTSA New Car Assessment Program (NCAP): Frontal, side, and rollover 5-Star crash safety test ratings.
- U.S. EPA / FuelEconomy.gov: Standardized multi-cycle dynamometer fuel economy, MPGe, and electric driving range ratings.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.