Tiffin diesel mysteries..............
2015 Tiffin Red diesel with Cummins engine and Allison tranny. All going well until I took in for 15k service at Freightliner. I had seen a dash Low Battery warning once upon starting. Diagnosed ...
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Check the engine hours meter. Should not be running if the engine is off. Some of them have an oil pressure switch that fails causing them to run all the time.
