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:
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Fuel tank will not fill past 24-27 gallons
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Cruise set speed is different than actual vehicle speed
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The IPC backlighting flickers at times with the dimmer set at the lowest setting and cold ambient temperatures
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Engine hours will randomly reset
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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.
