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CAT Fault Codes List: 1686 to 1775

Page 9 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 1686 to 1775

  • 1686Engine Oil Temperature Sensor #2
  • 1687F1 Type Valve Load Sense Pressure Sensor
  • 1688Left Pump Negative Flow Control Pressure Reducer Pressure Sensor
  • 1689Right Pump Negative Flow Control Pressure Reducer Pressure Sensor
  • 1690Throttle #2 Position Sensor
  • 1691Tachometer Signal Line
  • 1692Aftercooler Fan Bypass Solenoid
  • 1693Decelerator Pedal Sensor
  • 1694Travel Speed Solenoids Supply
  • 1695Travel Speed Switch
  • 1696Last Crankshaft Bearing Oil Pressure Sensor
  • 1697CTI Wheel End Electrical Fault
  • 1698High Temperature Cooler Inlet Jacket Water Pressure Sensor
  • 1699Joystick Forward/ Reverse Position Sensor
  • 1-7Engine Injector Cylinder #01 : Not Responding Properly
  • 170Cab interior temperature abnormal.
  • 1700Lane Departure Imminent, Left Side
  • 1701Lane Departure Imminent, Right Side
  • 1702Machine Deceleration Switch
  • 1703Left Drive Pump Forward Control Solenoid
  • 1704Left Drive Pump Reverse Control Solenoid
  • 1705Right Drive Pump Forward Control Solenoid
  • 1706Right Drive Pump Reverse Control Solenoid
  • 1707Left Drive Motor Solenoid
  • 1708Right Drive Motor Solenoid
  • 1709Transmission Controller Power Relay
  • 171AAT signal Out of Range HIGH (Body mounted sensor)
  • 1710Prechamber Fuel Pressure Sensor
  • 171-03Outside Air Temp Sensor Open Circuit
  • 171-04Ambient Air Temperature voltage low
  • 1711Upshift / Downshift Switch
  • 171-11Ambient Air Temperature : Other Failure Mode
  • 1712Torque Converter Pedal Position Sensor
  • 171-3Ambient Air Temperature : Voltage Above Normal
  • 171-4Ambient Air Temperature : Voltage Below Normal
  • 1715Engine Oil Temperature Sensor #2
  • 1716Raise/Lower Detent Electromagnet
  • 1717Parallel Lift Switch
  • 1719Generator Output Power Sensor
  • 172IAT signal does not agree with other sensors
  • 1720Turbocharger Compressor Bypass Valve Actuator
  • 1721Rackback/Dump Detent Electromagnet
  • 172-2Engine Air Inlet Temperature : Erratic, Intermittent, or Incorrect
  • 172-3Engine Air Inlet Temperature : Voltage Above Normal
  • 172-4Engine Air Inlet Temperature : Voltage Below Normal
  • 1725Left Station Decelerator Pedal Sensor
  • 1726Right Station Decelerator Pedal Sensor
  • 1727Left Station Steering Wheel Sensor
  • 1728Right Station Steering Wheel Sensor
  • 1729Left Station Propel Lever Position Sensor
  • 173Engine exhaust gas temperature high.
  • 173-0Engine Turbocharger 1 Calculated Turbine Inlet Temperature : High - Least Severe (1)
  • 1731Left Station Propel Mode Selector Switch
  • 1732Right Station Propel Mode Selector Switch
  • 1733Propel Mode Shift Solenoid
  • 1735Left Auger Forward Direction Solenoid
  • 1736Above nominal level rear axle
  • 1737Above nominal level front axle
  • 1738Below nominal level front axle
  • 1739Hammer Enable Solenoid
  • 174Engine fuel temperature 1 high.
  • 174-0Engine Fuel Temperature : High - Most Severe (3)
  • 174-03Fuel Temperature voltage high
  • 174-04Fuel Temperature voltage low 46
  • 1741Circle Steering Solenoid
  • 1742Transmission Hydrostatic Oil Outlet Temperature Sensor
  • 174-3Engine Fuel Temperature : Voltage Above Normal
  • 174-4Engine Fuel Temperature : Voltage Below Normal
  • 1745Vehicle motion inhibit
  • 1746Hydrostatic Motor Speed Sensor #2
  • 1747Secondary Hydrostatic Motor Speed Sensor
  • 1748Ignition Transformer Secondary #17
  • 1749Ignition Transformer Secondary #18
  • 175Oil Temperature Exceeds limit by large amount
  • 1750Ignition Transformer Secondary #19
  • 1751Ignition Transformer Secondary #20
  • 1752Ignition Transformer Primary #17
  • 1755Ignition Transformer Primary #20
  • 1756Start Aid Indicator
  • 1757Engine Deceleration Enable Switch
  • 1758Specific Humidity Sensor
  • 1759Exhaust Back Pressure Sensor
  • 176Turbocharger oil temperature high.
  • 1760Secondary Steering Solenoid
  • 1761Aftertreatment 1 DEF tank level low
  • 1762Hydraulic pressure issue
  • 1763Operator Station Selector Switch
  • 1764Operator Station Relay
  • 1765Vibratory System Enable Relay
  • 1766Grade Slope Enable Relay
  • 1767Tamper Bar Switch
  • 1768Engine low limit threshold max RPM
  • 1769Engine high limit threshold min RPM
  • 177Transmission Oil Temperature 3 Voltage Above Normal 2
  • 1770Engine low limit threshold max torque
  • 1771Engine high limit threshold min torque
  • 1772Remote Operator Station Lockout Switch
  • 1773Axle Suspension Lock Switch
  • 1774Suspension Lock Solenoid
  • 1775Implement Pump Pressure Switch
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