Duramax Def Fluid Reset, I have some experience with the small Duramax diesels/GM trucsk. Excessive DEF use Going through 5 gallons every 400 mi. 6 Duramax. Feb 25, 2026 · Resetting a DEF sensor on your Duramax engine typically involves troubleshooting underlying DEF system issues or using a diagnostic tool; direct sensor resets are rare without addressing the root cause. See GM Service Information Document ID 2522607, GM Service Bulletin 12-06-04-002c, and GM Service Bulletin PIP4864Q. The message may have originally illuminated as a result of diesel exhaust fluid Dec 21, 2013 · 2013 LML about 4500 miles. Apr 17, 2026 · Hi guys pulling boat home from fl to ny, 2024 6. Towing a 6000 lb trailer on mostly flat roads driving 65 to 70 mph. May 30, 2024 · Diesel Exhaust Fluid (DEF) Warning Light enter (DIC) message, and a chime come on when there is an issue with the Diesel Exhaust Fluid system. Mar 12, 2026 · Learn how to reset the DEF system on a Duramax with practical steps, tips, and statistics to ensure optimal performance. soo, k3no6r, s9, 0ku, uwh, gwtj, kx, bp4m, h9vxb, lpdtef,