Vehicle Guide

2015 RAM 3500 Problems, Reliability & Owner's Guide

Common problems with the 2015 RAM 3500, reliability ratings, maintenance tips, and owner reviews. Get your complete owner's guide.

Overview

The 2015 RAM 3500 is a heavy-duty full-size pickup built for serious towing, hauling, and worksite durability. It’s ideal for owners who need a one-ton truck for fifth-wheel and gooseneck towing, commercial use, or long-distance towing with confidence. For 2015, the RAM HD lineup continued the fourth-generation body style introduced for 2010 HD models, with incremental improvements and a strong reputation for capability. In the HD market, it competes directly with the Ford F-350 Super Duty and Chevrolet Silverado 3500HD, standing out for ride comfort and available diesel torque.

Key Features

1) Engine choices for different workloads: a 5.7L HEMI V8 gasoline engine is available for lower upfront cost and simpler ownership, while the 6.7L Cummins turbo-diesel inline-six is the go-to for maximum torque and towing performance. 2) Heavy-duty towing hardware: the 2015 RAM 3500 is available with integrated trailer brake control, tow/haul calibration, and fifth-wheel/gooseneck prep on many configurations, making it a strong match for large campers and equipment trailers. 3) Rear suspension options: many models offer a rear air suspension option that can improve ride comfort and help maintain a level stance under load, while traditional leaf springs remain a durable choice for fleet and hard-use applications. 4) Work-ready drivetrain configurations: available 4x2 or 4x4 setups, multiple axle ratios, and robust transmissions depending on engine choice help tailor the truck to towing, payload, or mixed use. 5) Cabin and trim variety: from Tradesman work-truck trims to Laramie and Longhorn-style luxury trims, the 2015 RAM 3500 can be configured as a basic jobsite tool or a premium long-haul tow vehicle.

Common Issues & Reliability

Owners searching “2015 RAM 3500 problems” typically see a mix of diesel-emissions concerns, front-end wear, and electrical quirks. Overall, “2015 RAM 3500 reliability” is often rated as solid for a heavy-duty truck when maintained, but certain trouble spots show up more than others. 1) Diesel emissions system issues (6.7L Cummins): EGR valves/coolers, NOx sensors, DPF regeneration problems, and DEF/SCR-related warnings can appear, sometimes in the 60,000–120,000-mile range depending on driving style. Frequent short trips can increase regen frequency and lead to clogged DPF symptoms, reduced power, and warning lights. 2) Front suspension and steering wear: owners report ball joints, tie-rod ends, track bar bushings, and steering stabilizer wear, often noticeable between 50,000–100,000 miles, especially with larger tires or heavy towing. Symptoms include steering wander, clunks over bumps, or uneven tire wear. 3) Air suspension problems (if equipped): rear air suspension systems can develop leaks, weak compressors, or sensor issues over time, particularly in harsh climates. Symptoms include sagging overnight, slow leveling, or suspension warning messages. 4) Electrical and infotainment glitches: some owners note intermittent issues with Uconnect operation, backup camera behavior, sensors, or battery drain. These are usually nuisance problems rather than drivability failures, but they can be frustrating if the truck is used daily for work.

Frequently Asked Questions

Ready for Your Complete 2015 RAM 3500 Guide?

Get detailed specs, maintenance schedules, fluid capacities, and service records.