The diagnostic condition is typically CKP Sensor Signal Voltage Too Low. 56.1.1 Low Signal Voltage Check Check low signal voltage as follows: 1. If fault…

This fault is typically erratic data or the CAN propriety data link has failed due to no communication between the MCM and the CPC. NOTE:…

This fault is typically erratic data or the CAN propriety data link has failed due to no communication between the MCM and the CPC. NOTE:…

51.1 SPN 615/FMI 9 This fault is typically the J1939 DM1 message from the transmission is missing. 51.1.1 Missing J1939 DM1 Message Check Check as…

50.1 SPN 609/FMI 12 This diagnostic condition is typically MCM failed or programmed incorrectly. 50.1.1 MCM Parameter Check Check as follows: 1. Using your diagnostic…

49.1 SPN 602/FMI 13 This fault is typically the J1939 Cruise Control Accelerate Switch signal from Source #1, #2, or #3 is missing. 49.1.1 Missing…

48.1 SPN 600/FMI 13 This fault is typically the J1939 Cruise Control Coast Switch signal from Source #1, #2, or #3 is missing. 48.1.1 Missing…

47.1 SPN 599/FMI 4 This diagnosis is typically both Cruise Control switches, SET and RES, are shorted to ground. 47.1.1 Short to Ground Check Check…

46.1 SPN 597/FMI 13 This fault is typically the J1939 Service Brake Switch signal from Source #1, #2, or #3 is missing. 46.1.1 Missing Service…

45.1 SPN 596/FMI 13 This fault is typically the J1939 Cruise Control Enable Switch signal from Source #1, #2, or #3 is missing. 45.1.1 Missing…