This bulletin applies to 2013-2018 Ram 2500/3500/4500/5500 vehicles equipped with a 6.7L Cummins turbo diesel engine. The malfunction illumination lamp (MIL) may be on, accompanied by diagnostic trouble code (DTC) P218F (reductant no flow detected) and/or P202E (diesel exhaust fluid/reductant injector performance). The customer may experience no driveability issues. The concern may occur when the vehicle is parked for an extended time in temperatures below 12 degrees F.
Using a scan tool, first, verify that all systems are functioning properly. Correct any issues before proceeding. Obtain a Diesel Exhaust Fluid (DEF) Injector Cover Kit part number (P/N) 68564806AA. This is a thermal protective cover for the DEF injector. Instructions are included with the kit.
Information for Technical Service Bulletins comes from ProDemand, Mitchell 1's auto repair information software for domestic and import vehicles. Headquartered in San Diego, Mitchell 1 has provided quality repair information solutions to the automotive industry since 1918.