This bulletin applies to 2014 RAM 2500, 3500 and 4500/5500 pickups and cab chassis, built on or after Oct. 25, 2013, and on or before June 3, 2014, equipped with a 6.4L engine.

A chirp-type noise may be heard from the exhaust when entering MDS mode. Replace the muffler assembly.

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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 | Editor

Mike received a BA degree from Youngstown State University in English Literature with a minor in Journalism in 1975.