Vehicle Guide

2015 RAM 2500 Problems, Reliability & Owner's Guide

Common problems with the 2015 RAM 2500, reliability ratings, maintenance tips, and owner reviews. Get your complete owner's guide.

Overview

The 2015 RAM 2500 is a heavy-duty full-size pickup built for towing, hauling, and hard daily use, positioned above light-duty half-ton trucks in capability and durability. It’s ideal for contractors, RV owners, farm and ranch work, and anyone who needs serious payload and trailer capacity without stepping up to a commercial chassis cab. This model year sits in the fourth-generation Ram Heavy Duty lineup introduced for 2010, with major powertrain and chassis updates arriving for 2013 and continuing refinement afterward. In the used market, the 2015 RAM 2500 is often sought for its available Cummins diesel, strong towing ratings, and comfortable trim levels that can feel more like a premium truck than a work tool.

Key Features

1) Engine options: a 5.7L HEMI V8 (gas) and the available 6.7L Cummins Turbo Diesel I6, with diesel buyers commonly targeting the strong low-end torque for towing and highway pulling. 2) Heavy-duty capability: available trailer brake controller, integrated towing features, and a robust frame/chassis designed for frequent payload and hitch work. 3) Available 4x4 and off-road-ready trims: configurations like Tradesman, SLT, Big Horn/Lone Star, Laramie, and Power Wagon (gas) let buyers choose work-focused or comfort-focused setups. 4) Comfort and usability: available larger infotainment screens, crew cab space, and higher trims with upgraded seating and materials make it practical for long drives and jobsite commutes. 5) Suspension choices: most trims use a solid rear axle with heavy-duty leaf springs, while certain configurations offer rear air suspension for improved ride and load leveling (a big benefit for towing stability).

Common Issues & Reliability

Shoppers looking up 2015 RAM 2500 problems, 2015 RAM 2500 reliability, and 2015 RAM 2500 common issues will find that these trucks can be very durable, but a few patterns show up repeatedly. 1) Diesel emissions system concerns (Cummins models): EGR valves/coolers, diesel particulate filter (DPF) soot loading, and NOx sensor/DEF-related faults can trigger check-engine lights, derates, or reduced performance. These complaints are more common on trucks used for lots of short trips or idling, often showing up anywhere from 60,000–120,000 miles depending on duty cycle and maintenance. 2) Front suspension/steering wear: heavy-duty trucks can develop steering wander, clunks, or vibration from worn ball joints, tie rod ends, track bar components, or steering stabilizer issues—especially on lifted trucks, trucks with oversized tires, or those that tow frequently. Many owners report addressing steering/suspension wear in the 70,000–130,000 mile range. 3) HEMI tick/exhaust manifold bolts (gas models): some 5.7L HEMI trucks develop an exhaust tick that’s often traced to broken manifold bolts or small leaks at the manifolds, more noticeable on cold starts. It may appear around 60,000–120,000 miles and is usually repairable, but it’s worth checking early to prevent warped manifolds. 4) Electrical and infotainment glitches: intermittent Uconnect screen freezes, Bluetooth issues, sensor warnings, or battery-related electrical gremlins do come up. Many issues are software, battery, or grounding related, but diagnosing can take time if symptoms are intermittent.

Frequently Asked Questions

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