SPN 174/FMI 4 SPN 174, PID 174/FMI 4 indicates a SFT Sensor short circuit to ground.‪ Check as follows:‪ Disconnect the SFT Sensor. Disconnect the…

SPN 175/FMI 3 This diagnosis is typically engine oil temperature circuit failed high.‪ Check as follows:‪ Turn the ignition the ON (key ON, engine OFF).…

SPN 175/FMI 14 This diagnosis is typically engine oil temperature out of range (drifted low/high).‪ Note: When diagnosing rationality erratic data faults (FMI 14) always refer…

SPN 175/FMI 14 This diagnosis is typically engine oil temperature out of range (drifted low/high).‪ Note: When diagnosing rationality erratic data faults (FMI 14) always refer…

SPN 191/FMI 9 This fault is typically the J1939 ETC1 message is missing.‪ Check as follows: ‪ Check for multiple codes: If CPC SPN 168/FMI…

SPN 191/FMI 19 This fault is typically the transmission output speed shaft signal is erratic.‪ Check as follows: ‪ Check for multiple codes: If CPC…

SPN 191/FMI 13 This fault is typically the transmission output speed shaft signal is missing.‪ Check as follows: ‪ Check for multiple codes: If CPC…

SPN 247/FMI 9 MCM engine hours data not received or stopped arriving – This fault usually occurs after reprogramming the CPC or MCM. The internal…

SPN 247/FMI 1 MCM engine hours data lower than expected – This fault usually occurs after reprogramming the CPC or MCM. The internal clocks of…

SPN 247/FMI 0 MCM engine hours data higher than expected – This fault usually occurs after reprogramming the CPC or MCM. The internal clocks of…