Ram 2500: Common Problems, Fault Codes & Repairs Everything for the Ram 2500 in one place — its common problems and reliability, the fault codes owners see most, and the tools to diagnose them. Ram 2500 specs & capacities Ram 2500 — Fuse box location & guideRam 2500 — Oil capacity & typeRam 2500 — Tire pressureRam 2500 — Towing capacityRam 2500 — Bolt pattern & wheel sizes Recommended tools Automotive MultimeterCompression TesterBattery & Charging System Tester Read your code: OBD-II scanners →