Confused Ram

This bulletin applies to 2015 RAM 1500, 2500 and 3500 trucks and involves updating the IPC (instrument panel cluster) with the latest available software.

This bulletin applies to 2015 RAM 1500, 2500 and 3500 trucks and involves updating the IPC (instrument panel cluster) with the latest available software.

Customers may comment on one or more of the following:

  • Fuel tank will not fill past 24-27 gallons

  • Cruise set speed is different than actual vehicle speed

  • The IPC backlighting flickers at times with the dimmer set at the lowest setting and cold ambient temperatures

  • Engine hours will randomly reset

  • Low fuel warning is triggered when distance to empty (DTE) is below or equal to 50 miles and the average fuel level is less than 1/4 indication of the fuel gauge while driving

Using a scan tool, verify that all related systems are functioning as designed. Reprogram the IPC with the latest software. Cycle the ignition off, then on. Clear all DTCs that may have set.

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

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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