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JLG Telehandler Fault Codes List: 792 to 948

Page 9 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 792 to 948

  • 792Physical Range Check Low for Differential Pressure Venturi Unit (EGR)
  • 793Sensor Differential Pressure Venturi Unit (EGR); Plausibility Error
  • 794Sensor Differential Pressure Venturi Unit (EGR); CAN Signal Invalid
  • 795Sensor Error Differential Pressure Venturi Unit (EGR); Signal Range Check High
  • 796Sensor Error Differential Pressure Venturi Unit (EGR); Signal Range Check Low
  • 805Particulate Filter; Regeneration Not Successful
  • 807Sensor Differential Pressure (DPF); Plausibility Error Regarding Signal Offset
  • 809Physical Range Check High for Differential Pressure (DPF); Shut Off Regeneration
  • 812Physical Range Check Low for Differential Pressure (DPF); Shut Off Regeneration
  • 813Tilt Sensor - Chassis Tilt Sensor Not Calibrated
  • 82CAN Bus Error Passive; Warning CAN C
  • 821Platform Load Sense - LSS Cell #1 Error
  • 822Platform Load Sense - LSS Cell #2 Error
  • 823Platform Load Sense - LSS Cell #3 Error
  • 824Platform Load Sense - LSS Cell #4 Error
  • 825Pressure Relief Valve (PRV) Reached Maximum Allowed Opening Count
  • 826Pressure Relief Valve (PRV) Forced to Open; Performed by Pressure Increase
  • 827Pressure Relief Valve (PRV) Forced to Open; Performed by Pressure Shock
  • 828Open Pressure Relief Valve (PRV); Shut Off Condition
  • 830Pressure Relief Valve (PRV) is Open
  • 831The PRV Can Not be Opened at This Operating Point with a Pressure Shock
  • 832Rail Pressure Out of Tolerance Range
  • 833Pressure Relief Valve (PRV) Reached Maximum Allowed Open Time
  • 834Electrical Fuel Pre-Supply Pump; Open Load
  • 835Electrical Fuel Pre-Supply Pump; Power Stage Over Temperature
  • 836Electrical Fuel Pre-Supply Pump; Short Circuit to Battery
  • 837Electrical Fuel Pre-Supply Pump; Short Circuit to Ground
  • 838Multiple Stage Switch Constant Speed; Short Circuit to Battery
  • 839Multiple Stage Switch Constant Speed; Short Circuit to Ground
  • 84CAN-Bus 0 "Bus Off-Status"
  • 840Multiple Stage Switch Constant Speed; Plausibility Error
  • 841Multiple Stage Switch Engine Speed Control Parameter; Short Circuit to Battery
  • 842Multiple Stage Switch Engine Speed Control Parameter; Short Circuit to Ground
  • 843Multiple Stage Switch Engine Speed Control Parameter; Plausibility Error
  • 844Multiple Stage Switch Engine Torque Limitation Curve; Short Circuit to Battery
  • 845Multiple Stage Switch Engine Torque Limitation Curve; Short Circuit to Ground
  • 846Multiple Stage Switch Engine Torque Limitation Curve; Plausibility Error
  • 849Sensor Error Pressure Sensor Upstream Turbine; Signal Range Check High
  • 85CAN-Bus 1 "Bus Off-Status"
  • 850Sensor Error Pressure Sensor Downstream Turbine; Signal Range Check High
  • 8515Load Moment - LSI Detected But Not Configured
  • 856Maximum Positive Deviation of Rail Pressure Exceeded (RailMeUnO)
  • 857Maximum Positive Deviation of Rail Pressure in Metering Unit Exceeded (RailMeUnO)
  • 858Rail System Leakage Detected (RailMeUnlO)
  • 859Maximum Negative Deviation of Rail Pressure in Metering Unit Exceeded (RailMeUn2)
  • 86CAN-Bus 2 "Bus Off-Status"
  • 860Negative Deviation of Rail Pressure Second Stage (RailMeUn22)
  • 861Minimum Rail Pressure Exceeded (RailMeUn3)
  • 862Maximum Rail Pressure Exceeded (RailMeUn4)
  • 8638Steering - Low Steering Pressure
  • 864Set Point of Metering Unit in Overrun Mode Not Plausible
  • 876Maximum Rail Pressure in Limp Home Mode Exceeded (PRV)
  • 877Sensor Error Rail Pressure; Signal Range Check High
  • 878Sensor Error Rail Pressure; Signal Range Check Low
  • 88Charged Air Pressure Above Warning Threshold
  • 881NOx Conversion Rate Insufficient (SCR-Cat Defect, Bad Diesel Exhaust Fluid Quality)
  • 882NOx Conversion Rate Insufficient (SCR-Cat Defect, Bad Diesel Exhaust Fluid Quality); Temperature Range 1
  • 883NOx Conversion Rate Insufficient (SCR-Cat Defect, Bad Diesel Exhaust Fluid Quality); Temperature Range 2
  • 887NOx Sensor Downstream of SCR Catalysator; Plausibility Error "Stuck in Range"
  • 889NOx Sensor Upstream of SCR Catalysator; Low Signal Not Plausible
  • 89Charged Air Pressure Above Shut Off Threshold
  • 892Sensor Back Flow Line Pressure (SCR); Plausibility Error
  • 893General Pressure Check Error (SCR)
  • 894Pressure Stabilization Error Dosing Valve (SCR)
  • 896Detection of Diesel Exhaust Fluid Filled SCR System in Init-State
  • 897Pump Pressure SCR Metering Unit Too High
  • 898Pump Pressure SCR Metering Unit Too Low
  • 899Pressure Overload of SCR-System
  • 9Sensor Ambient Air Temperature; Plausibility Error
  • 900Pressure Build-Up Error SCR-System
  • 903Urea Tank Temperature Too High
  • 905Sensor SCR Catalyst Upstream Temperature Too High; Plausibility Error
  • 906Sensor SCR Catalyst Upstream Temperature Too Low; Plausibility Error
  • 908Diesel Exhaust Fluid Dosing Valve Blocked (SCR)
  • 914Sensor Urea Supply Module Heater Temperature; Plausibility Error (Normal Condition)
  • 915Sensor Urea Supply Module Heater Temperature; Plausibility Error (Cold Start Condition)
  • 916Sensor Urea Supply Module Temperature; Plausibility Error (Normal Condition)
  • 917Sensor Urea Supply Module Temperature; Plausibility Error (Cold Start Condition)
  • 918Urea-Tank without Heating Function (Heating Phase)
  • 919Immobilizer Status; Fuel Blocked
  • 925Urea Supply Module Heater Temperature; Duty Cycle in Failure Range
  • 926Urea Supply Module Heater Temperature; Duty Cycle in Invalid Range
  • 927Urea Supply Module Temperature Measurement Not Available
  • 928Urea Supply Module PWM Signal; Period Outside Valid Range
  • 929Detect Faulty PWM Signal From Supply Module
  • 930Urea Supply Module Temperature; Duty Cycle in Failure Range
  • 931Urea Supply Module Temperature; Duty Cycle in Invalid Range
  • 932Hand Throttle Idle Validation Switch; Short Circuit to Battery
  • 935Sensor Error Accelerator Pedal; Signal Range Check High
  • 936Sensor Error Hand Throttle; Signal Range Check High
  • 937Hand Throttle Idle Validation Switch; Short Circuit to Ground
  • 940Sensor Error Accelerator Pedal; signal range Check Low
  • 941Sensor Error Hand Throttle Sensor; Signal Range Check Low
  • 942Sensor Error Burner Temperature; Signal Range Check High
  • 943Sensor Error Urea Tank Level; Signal Range Check High
  • 944Sensor Error Burner Temperature; Signal Range Check Low
  • 945Sensor Error Urea Tank Level; Signal Range Check Low
  • 946Sensor Supply Voltage Monitor 1 Error (ECU)
  • 947Sensor Supply Voltage Monitor 2 Error (ECU)
  • 948Sensor Supply Voltage Monitor 3 Error (ECU)
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