SPN 655/FMI 14 SPN 655/FMI 14 is typically an open circuit, short to ground or short to power. Check as follows: Check for multiple codes.…
SPN 656/FMI 14 SPN 656/FMI 14 is typically an open circuit, short to ground or short to power. Check as follows: Check for multiple codes.…
SPN 698/FMI 5 This diagnosis is typically Grid Heater circuit failed open. Check as follows: Disconnect the Grid Heater harness connector. Turn the ignition ON…
SPN 679/FMI 7 The fault condition is typically related to a Pressure Limiting Valve (PLV) staying open. The pressure limiting valve will open when rail…
SPN 704/FMI 4 High Exhaust System Temperature Lamp – indicates a short to ground on the pin 7 circuit of the CPC #4 connector. For…
SPN 704/FMI 3 High Exhaust System Temperature Lamp – indicates a short to power/open circuit on pin 7 of the CPC #4 connector. For wiring…
SPN 705/FMI 3 Malfunction Indicator Lamp (MIL)- indicates a short to power/open circuit on pin 13of the CPC #1 connector. For wiring schematic information refer…
SPN 709/FMI 3 Red Stop Lamp (RSL) – indicates a short to power/open circuit on pin 16 of the CPC #3 connector. For wiring schematic…
SPN 705/FMI 4 Malfunction Indicator Lamp (MIL) – indicates a short to ground on the pin 13 circuit of the CPC #1 connector. For wiring…
SPN 711/FMI 3 DPF Regen Lamp – indicates a short to power/open circuit on pin 5 of the CPC #1 connector. For wiring schematic information…