Spn 5394 fmi 5 cummins fault code July 8, 2019 16 32 64 128 Spn 5394 fmi 5 Spn 5312 fmi 7 Spn 3597 fmi 4 Spn 96 fmi 5 freightliner Spn 3513 fmi 4 cummins