SPN 599/FMI 4 This diagnosis is typically both Cruise Control switches, SET and RES, are shorted to ground. Check as follows: Turn the ignition ON…
SPN 600/FMI 19 This fault is typically J1939 Cruise Control Coast Switch signal from Source #1, #2, or #3 is erratic. Check as follows: Check…
SPN 600/FMI 13 This fault is typically the J1939 Cruise Control Coast Switch signal from Source #1, #2, or #3 is missing. Check as follows:…
SPN 602/FMI 19 This fault is typically J1939 Cruise Control Accelerate Switch signal from Source #1, #2, or #3 is erratic. Check as follows: Check…
SPN 602/FMI 13 This fault is typically the J1939 Cruise Control Accelerate Switch signal from Source #1, #2, or #3 is missing. Check as follows:…
SPN 609/FMI 14 This diagnostic condition is typically MCM incorrect or not programmed correctly. Check as follows: Check to ensure the MCM is correct for…
SPN 609/FMI 12 This diagnostic condition is typically MCM failed or programmed incorrectly. Check as follows: Using your diagnostic tool, reset the parameters on the…
SPN 615/FMI 9 This fault is typically the J1939 DM1 message from the transmission is missing. Check as follows: Check for multiple codes: If CPC…
SPN 615/FMI 14 The fault condition is typically related to an internal or external leakage of the high pressure fuel system. The MCM monitors the…
SPN 625/FMI 9 This fault is typically erratic data or the CAN propriety data link has failed between the MCM and the CPC. Note: The following…