INSERT PKG- 4C8419 - Caterpillar

Use this procedure to troubleshoot the electrical system if a problem is suspected with the sensors. Also, use this procedure if one of the following diagnostic codes is active or easily repeated.
Table 1
J1939 Code and Description CDL Code and Description Comments
95-2
Engine Fuel Filter Differential Pressure : Erratic, Intermittent, or Incorrect 95-2
Fuel Filter Differential Pressure Sensor : Erratic, Intermittent, or Incorrect This code indicates that the fuel pressure sensor connections are swapped.
Swap the connectors for the unfiltered and filtered fuel pressure sensors.
99-2
Engine Oil Filter Differential Pressure : Erratic, Intermittent, or Incorrect 99-2
Engine Oil Filter Differential Pressure Sensor : Erratic, Intermittent, or Incorrect This code indicates that the oil pressure sensor connections are swapped.
Swap the connectors for the oil pressure sensor before the secondary filter and the oil pressure sensor after the secondary filter.
100-3
Engine Oil Pressure : Voltage Above Normal 100-3
Engine Oil Pressure Sensor : Voltage Above Normal The Electronic Control Module (ECM)