This bulletin applies to 2013-2018 Ram 2500/3500 4500 vehicles equipped with a 6.7L Cummins Diesel engine where the DEF (diesel exhaust fluid) injector encounters freezing issues.
The warning light (MIL) may be on accompanied by diagnostic trouble code (DTC) P218F (reductant no flow detected) and/or P202E (diesel exhaust fluid reductant injector performance). Chrysler now offers a DEF insulator cover kit (thermal protective cover) that covers the DEF injector to reduce the chances of this concern. The kit is available as P/N 68564806AA.
About the Author
Information courtesy of Mitchell 1
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.
Mike Mavrigian
Motor Age Editor
Mike Mavrigian has written thousands of automotive technical magazine articles involving a variety of specialties, from engine building to wheel alignment, and has authored more than a dozen books that crisscross the automotive spectrum. Mike operates Birchwood Automotive, an Ohio shop that builds custom engines and performs vintage vehicle restorations. The shop also features a professional photo studio to document projects and to create images for articles and books.