2021 Ram 5500
2021 Ram 5500
Overview
The 2021 Ram 5500 is a heavy-duty truck designed for demanding commercial applications, emphasizing robust performance and capability. Reliability data for this model year indicates a generally strong mechanical foundation, particularly within its powertrain options. While specific component failures are not widespread, potential areas for attention include certain emissions system components and the complex electrical architecture inherent in modern heavy-duty vehicles. Owners should be aware of the specific maintenance requirements for their chosen engine and transmission to ensure optimal longevity and performance. Overall, the Ram 5500 is built to withstand rigorous use, but like any complex machine, proactive maintenance and awareness of potential issues are key to sustained reliability.
Engine
6.7L Cummins Turbo Diesel
Diesel Particulate Filter (DPF) Regeneration Issues
- Symptoms: Check Engine light illumination, reduced engine power, increased exhaust smoke, incomplete regeneration cycles.
- Solution: Forced regeneration, DPF cleaning, or replacement. Ensure proper driving cycles for regeneration.
- Cost: $500 - $2,500
EGR Cooler Leaks
- Symptoms: Coolant loss, white smoke from exhaust, overheating, coolant in exhaust.
- Solution: Replacement of the EGR cooler.
- Cost: $400 - $900
Transmission
AISIN AS69RC 6-Speed Automatic
No widespread issues reported.
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: No widespread issues reported.
Suspension
Heavy-Duty Leaf Spring Suspension
No widespread issues reported.
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: No widespread issues reported.
Electrical
Body Control Module (BCM)
Intermittent Electrical Gremlins
- Symptoms: Unpredictable behavior of lights, power windows, door locks, or dashboard indicators.
- Solution: Diagnosis and potential reprogramming or replacement of the BCM.
- Cost: $500 - $1,200
Trailer Lighting Harness Issues
Corrosion or loose connections
- Symptoms: Malfunctioning trailer lights (brake, turn signals, running lights).
- Solution: Inspection, cleaning, and securing of trailer connector and harness connections.
- Cost: $100 - $300
Exterior
Body Panels and Trim
No widespread issues reported.
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: No widespread issues reported.
Interior
Infotainment System
Software Glitches
- Symptoms: Screen freezing, unresponsiveness, Bluetooth connectivity issues, navigation errors.
- Solution: Software updates, system resets, or potential head unit replacement.
- Cost: $200 - $800
HVAC System
No widespread issues reported.
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: No widespread issues reported.
Summary Verdict
The 2021 Ram 5500 demonstrates solid reliability, particularly in its core mechanical components like the 6.7L Cummins Turbo Diesel engine and the AISIN AS69RC transmission. The primary areas that may require attention are related to emissions control systems, such as DPF regeneration and EGR cooler leaks, which are common in modern diesel powertrains. Electrical systems, especially the Body Control Module and trailer wiring, can occasionally present intermittent issues. Interior components like the infotainment system may experience software-related glitches. Overall, with diligent maintenance and addressing potential issues promptly, the 2021 Ram 5500 is a dependable workhorse for commercial use.