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CAT Fault Codes List: 1873 to 1966

Page 11 of 83 of the full CAT fault code list (8,286 codes). Each entry is the code as the machine reports it and what the manufacturer data says it means.

CAT codes 1873 to 1966

  • 1873AutoCarry Switch
  • 1874Winch Lockout Switch
  • 1875Hydraulic Case Drain Filter Bypass Switch
  • 1876Hydraulic Pilot Supply Filter Bypass Switch
  • 1877Apron Float Solenoid
  • 1878Elevator Oil Filter Switch
  • 1879Center Lever Forward/Backward Position Sensor
  • 188Engine unable to achieve desired idle speed (too high)
  • 1880Center Lever Left/Right Position Sensor
  • 1881Winch Control Handle Spool In/Out Position Sensor
  • 1882Winch Control Handle Drum Release Position Sensor
  • 1883Winch Low Speed Lock Switch
  • 1884Winch Spool In Solenoid
  • 1885Winch Spool Out Solenoid
  • 1886Winch Drum Release Solenoid
  • 1887Winch Low Speed Lock Solenoid
  • 1888Front PTO engagement issue
  • 1889Base (Remote) GPS System Receiver
  • 1890Base (Remote) GPS Antenna
  • 1892Feature Mismatch With ECM Swap
  • 1893Inertial Measurement Sensor
  • 1894Cruise Control Disengage Switch
  • 1895Cruise Control Speed Toggle Switch
  • 1896Throttle Service Lamp
  • 1897Operator Horn Relay
  • 1899Retarder Pedal
  • 19High Engine Oil Temperature Shutdown
  • 190Engine overspeed vehicle event fault
  • 190-0Engine Speed : High - Least Severe (1)
  • 190-00Engine Overspeed Warning
  • 190-02Loss of RPM Signal on Engine Speed/Timing Sensor #1
  • 1901Intake Valve Actuator #1
  • 1901-038disabled. This is usually achieved when the ABS
  • 190-11No Pattern on Engine Speed/Timing Sensor #1
  • 190-12faults, refer to the following information in
  • 1904Aux valve 0 extend port pressure issue
  • 1905Aux valve 0 retract port pressure issue
  • 1906Aux Valve 0 Return Port Pressure issue
  • 190-8Engine Speed : Abnormal Frequency, Pulse Width, or Period
  • 1909Aux Valve 0 Fail Safe Mode Command active
  • 191Hard wired vehicle speed reading higher than limit
  • 1910Aux Valve 0 in Fail Safe Mode
  • 1911Aux Valve 1 Extend Port flow abnormal
  • 1912Aux Valve 1 Retract Port flow abnormal
  • 1913Aux Valve 1 Extend Port flow estimated issue
  • 1914Aux Valve 1 Retract Port flow estimated issue
  • 1915Aux Valve 1 State abnormal
  • 1916Aux Valve 1 Extend Port Pressure issue
  • 191-7Transmission Output Shaft Speed : Not Responding Properly
  • 1918Aux Valve 1 Return Port Pressure issue
  • 1919Aux Valve 1 Port Flow Command issue
  • 192Steering System Malfunction
  • 1920Aux Valve 1 State Command issue
  • 1921Aux Valve 1 Fail Safe Mode Command active
  • 1922Aux Valve 1 in Fail Safe Mode
  • 1923Aux Valve 2 Extend Port flow abnormal
  • 1924Aux Valve 2 Retract Port flow abnormal
  • 1925Aux Valve 2 Extend Port flow estimated issue
  • 1926Aux Valve 2 Retract Port flow estimated issue
  • 1927Aux Valve 2 State abnormal
  • 1928Aux Valve 2 Extend Port Pressure issue
  • 1929Aux Valve 2 Retract Port Pressure issue
  • 193Boom Raise Limit Reached Due to Park Brake Not Engaged
  • 1930Aux Valve 2 Return Port Pressure issue
  • 1931Aux Valve 2 Port Flow Command issue
  • 1932Aux Valve 2 State Command issue
  • 1933Aux Valve 2 Fail Safe Mode Command active
  • 1934Aux Valve 2 in Fail Safe Mode
  • 1935Aux Valve 3 Extend Port flow abnormal
  • 1936Aux Valve 3 Retract Port flow abnormal
  • 1937Aux Valve 3 Extend Port flow estimated issue
  • 1938Aux Valve 3 Retract Port flow estimated issue
  • 1939Aux Valve 3 State abnormal
  • 1942789 15 185 Exhaust High Temperature
  • 1940Aux Valve 3 Extend Port Pressure issue
  • 1941Aux Valve 3 Retract Port Pressure issue
  • 1942Aux Valve 3 Return Port Pressure issue
  • 1943Aux Valve 3 Port Flow Command issue
  • 1944Aux Valve 3 State Command issue
  • 1945Aux Valve 3 Fail Safe Mode Command active
  • 1946Aux Valve 3 in Fail Safe Mode
  • 1947Aux Valve 4 Extend Port flow abnormal
  • 1948Aux Valve 4 Retract Port flow abnormal
  • 195Conflicting Travel Pedal Switches Information
  • 1951Implement Angle Sensor
  • 1952Chassis Angle Sensor
  • 1954Left Grade Control System Indicator
  • 1955Right Grade Control System Indicator
  • 1956Bucket Cylinder Position Sensor
  • 1957Stick Cylinder Position Sensor
  • 1958Extendable Stick Cylinder Position Sensor
  • 1959Boom Cylinder Position Sensor
  • 196Conflicting Attachment Pedal Switches Information
  • 1960Ignition Key Reader
  • 1961Service Brake Accumulator Pressure Sensor
  • 1962Brake Pump Pressure Sensor
  • 1963Brake Pump Unloader Solenoid
  • 1964Lift Cylinder Position Sensor
  • 1965Tilt Cylinder Position Sensor
  • 1966Hydraulic System CAN Data Link #1
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