Fixing the Diesel Freeze

Sept. 27, 2022

This bulletin applies to 2013-2018 RAM 2500/3500/4500/5500 trucks equipped with a 6.7L diesel engine. The MIL may be on accompanied by DTC P218F (reductant no flow detected) and/or P202E (diesel exhaust fluid reductant injector performance).

This bulletin applies to 2013-2018 RAM 2500/3500/4500/5500 trucks equipped with a 6.7L diesel engine. The MIL may be on accompanied by DTC P218F (reductant no flow detected) and/or P202E (diesel exhaust fluid reductant injector performance).

The fix involves installing an insulator over the DEF injector. The DEF injector cover kit is available under 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.

About the Author

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.

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