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JLG Telehandler Fault Codes List: 956 to 9986

Page 10 of 10 of the full JLG Telehandler fault code list (1,016 codes). Each entry is the code as the machine reports it and what the manufacturer data says it means.

JLG Telehandler codes 956 to 9986

  • 956Starter Relay High Side; Short Circuit to Battery
  • 957Starter Relay High Side; Short Circuit to Ground
  • 958Starter Relay; No Load Error
  • 959Starter Relay; Power Stage Over Temperature
  • 96Sensor Error Coolant Temperature; Signal Range Check High
  • 960Starter Relay Low Side; Short Circuit to Battery
  • 961Starter Relay Low Side; Short Circuit to Ground
  • 963Burner Shut Off Valve; Open Load
  • 965Burner Shut Off Valve; Short Circuit to Battery
  • 967Burner Shut Off Valve; Short Circuit to Ground
  • 969SVS Lamp; Open Load
  • 97Sensor Error Coolant Temperature; Signal Range Check Low
  • 970SVS Lamp; Power Stage Over Temperature
  • 971SVS Lamp; Short Circuit to Battery
  • 972SVS Lamp; Short Circuit to Ground
  • 973Software Reset CPU SWReset 0
  • 974Software Reset CPU SWReset 1
  • 975Software Reset CPU SWReset 2
  • 976Plausibility Error Between APPl and APP2 or APPl and Idle Switch
  • 98High Coolant Temperature; Warning Threshold Exceeded
  • 980T50 Start Switch Active for Too Long
  • 981Sensor Error Intake Air; Signal Range Check High
  • 982Sensor Error Intake Air Sensor; Signal Range Check Low
  • 983Intake Air Sensor; Plausibility Error
  • 984Sensor Burner Temperature; Plausibility Error
  • 986Physical Range Check High for Burner Temperature
  • 989Physical Range Check Low for Burner Temperature
  • 99High Coolant Temperature; Shut Off Threshold Exceeded
  • 991Hardware - LSS Watchdog Reset
  • 9910Hardware - Function Locked Out - Platform Module Software Version Improper
  • 9915Hardware - Chassis Tilt Sensor Not Gain Calibrated
  • 99151Hardware - Functions Locked Out - LSI Software Version Improper
  • 99161Functions Locked Out - Remote Input Module Software Version Improper
  • 992Hardware - LSS EEPROM Error
  • 9921Hardware - Ground Module Failure - High Side Driver Cutout Faulty
  • 9924Hardware - Functions Locked Out - Machine Not Configured
  • 993Hardware - LSS Internal Error - Pin Excitation
  • 994Sensor Error Charged Air Temperature; Signal Range Check High
  • 9944Hardware - Current Feedback Gains Out of Range
  • 9945Hardware - Current Feedback Calibration Checksum Incorrect
  • 9946Hardware - Cabin Display EEPROM Write Failure
  • 9947Hardware - Hardware Exchange Required
  • 9948Hardware - Platform Module Hardware Failure
  • 9949Hardware - Machine Configuration Out of Range - Check All Settings
  • 995Sensor Error Charged Air Temperature; Signal Range Check Low
  • 996High Charged Air Cooler Temperature; Warning Threshold Exceeded
  • 997High Charged Air Cooler Temperature; Shut Off Threshold Exceeded
  • 9976Hardware - Cabin Joystick - Internal Failure
  • 9978Hardware - EEPROM Value - Out of Range
  • 998Hardware - EEPROM Failure - Check All Settings
  • 9986Hardware - Ground Module VLow FET Failure
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