SPN 723/FMI 14 A typical diagnosis is swapped pins. If this SPN and FM:I are active, verify that the wiring from CMP Sensor pin 1…
Category: DD15
SPN 729/FMI 0 This fault condition is typically Grid Heater permanently on. Check as follows: Disconnect the Grid Heater harness connector. Disconnect the MCM 120–pin…
SPN 904/FMI 13 This fault is typically the front axle speed signal is missing. Check as follows: Check for multiple codes: If CPC SPN 168/FMI…
SPN 904/FMI 9 This fault is typically the J1939 EBC2 message from the ABS is missing. Check as follows: Check for multiple codes: If CPC…
SPN 904/FMI 19 This fault is typically the front axle speed signal is erratic. Check as follows: Check for multiple codes: If CPC SPN 168/FMI…
SPN 973/FMI 13 This fault is typically the engine retarder selection signal is missing. Check as follows: Check for multiple codes: If CPC SPN 168/FMI…
SPN 973/FMI 9 This fault is typically the J1939 EBC1 (Engine Brake Switches) is missing. Check as follows: Check for multiple codes: If CPC SPN…
SPN 986/FMI 9 This fault is typically the J1939 CM1 message is missing. Check as follows: Check for multiple codes: If CPC SPN 168/FMI 0/14/18…
SPN 973/FMI 19 This fault is typically the engine retarder selection signal is erratic. Check as follows: Check for multiple codes: If CPC SPN 168/FMI…
SPN 1071/FMI 3 This fault code indicates that there is a short to power. Check as follows: Turn the ignition OFF. Disconnect the fan control…