This diagnosis is typically EGR temperature circuit failed high. 40.1.1 Open Circuit/Short to Power Check Check as follows: 1. Turn the ignition the ON (key…

This diagnosis is typically EGR Delta P Sensor out of calibration. 39.4.1 EGR Delta P Sensor Check Check as follows” 1. Disconnect the EGR Delta…

This diagnosis is typically EGR Delta P Sensor short to ground. 39.3.1 Short to Ground Check Check as follows: 1. Disconnect the EGR Delta P…

This diagnosis is typically EGR Delta P Sensor circuit failed high. 39.2.1 Open Circuit Check Check as follows: 1. Disconnect the EGR Delta P Sensor.…

This diagnosis is typically EGR differential pressure failed high (High Box). 39.1.1 EGR Delta P Sensor Check Check as follows: 1. Disconnect the EGR Delta…

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

37.1 SPN 191/FMI 9 This fault is typically the J1939 ETC1 message is missing. 37.1.1 Missing ETC1 Message Check Check as follows: 1. Check for…

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

This diagnosis is typically oil temperature circuit failed low‘. 35.2.1 Short to Ground Check Check as follows: 1. Disconnect the EOT Sensor. 2. Disconnect the…

This diagnosis is typically engine oil temperature circuit failed high. 35.1.1 Open Circuit/Short to Power Check Check as follows: 1. Turn the ignition the ON…