Customer: spn 641 fmi 9 , spn 641 fmi 12, spn 641 fmi 13 Mechanic's Assistant: OK. Thanks for the info. The Mechanic can help with your DEF gauge and turbo actuator code issues on your 2016 International 4300.. truck is delete and also getting codes spn 641 fmi 9 , spn 641 fmi 12, spn 641 fmi 13. Customer. this all startes after hard rains.. Cummins ISB6.7 CM2350 (2013-17) Fault Code: 1898 PID: SID 27 SPN: 641 FMI: 13 VGT Actuator Controller- Out of Calibration. Circuit Description The variable geometry turbocharger (VGT) is electronically activated by the VGT actuator. The VGT actuator is a smart device and receives information via the J1939 data link from the primary engine.
SPN 641 FMI 13 is a fault code that indicates a problem with the VGT actuator. The possible errors indicated by this fault code include a low voltage signal from the VGT actuator, the VGT actuator being out of calibration, or the VGT actuator not responding properly to commands due to a mechanical issue. The issues associated with this fault.. If it is only an SPN 641 FMI 11 code that is present then you are to do the Turbo Hystere test. If the turbo fails the test, then you are to do the following checks and repairs: " Disconnect the turbo actuator harness connector and inspect the harness connector for signs of corrosion, spread, loose or damaged pins, or signs of wire damage."