JLG Boom Lift Error Codes
A JLG Boom Lift Fault Codes list
- 116
- Fault Message - ECT higher than expected stage 1.
- Description - Engine Coolant Temperature reading or estimate greater than the stage 1 limit when operating at a speed greater than defined in the diagnostic calibration.
- Corrective Action - Sound audible warning or illuminate secondary warning lamp, disable adaptive learning fuel correction during active fault code.
- 117
- Fault Message - ECT Voltage Low.
- Description - Sensor voltage less than the limit defined in the diagnostic calibration.
- Corrective Action - Sound audible warning or illuminate secondary warning lamp, disable adaptive learning fuel correction during active fault code.
- 118
Fault Message - ECT Voltage High.
- Description - Sensor voltage higher than the limit defined in the diagnostic calibration.
- Corrective Action - Sound audible warning or illuminate secondary warning lamp, disable adaptive learning fuel correction during active fault code.
- 122
- Fault Message - TPS 1 Low Voltage.
- Description - TPS sensor voltage lower than the limit defined in the diagnostic calibration.
- Corrective Action - Sound audible warning or illuminate secondary warning lamp, shut down the engine
- 123
- Fault Message - TPS 1 High Voltage.
- Description - TPS sensor voltage higher than the limit defined in the diagnostic calibration.
- Corrective Action - Sound audible warning or illuminate secondary warning lamp, shut down the engine
- 217
- Fault Message - ECT higher than expected stage 2.
- Description - Engine coolant temperature reading greater than the stage 2 limit when operating at a speed greater than defined.
- Corrective Action - Sound audible warning or illuminate secondary warning lamp, disable adaptive learning fuel correction during active fault.
- 219
- Fault Message - RPM higher than max allowed.
- Description - Engine speed greater than the max governor override speed as defined.
- Corrective Action - Sound audible warning or illuminate secondary warning lamp, reduce throttle to limit speed.
- 336
- Fault Message - Crank signal input noise.
- Description - Electrical noise or irregular crank pattern detected causing x number of crank resynchronization events
- Corrective Action - Illuminate MIL and/or sound audible warning or illuminate secondary warning lamp and disable fueling correction for remainder of key cycle.
- 337
- Fault Message - Loss of Crank Input Signal.
- Description - loss of crankshaft position signal while valid camshaft position signals continue for x number of cam pulses.
- Corrective Action - Illuminate MIL and/or sound audible warning or illuminate secondary warning lamp.
- 521
- Fault Message - Oil pressure high
- Description: - Oil pressure is indicating high when the engine has been stopped for more than x seconds.
- Corrective Action - Illuminate MIL and/or sound audible warning or illuminate secondary warning lamp, possibly configure for power derate 1 or low rev limit.
- 524
- Fault Message - Oil pressure low
- Description: - Engine oil pressure lower than expected while engine has been running for a minimum amount of time
- Corrective Action - Illuminate MIL and/or sound audible warning or illuminate secondary warning lamp, generally configured to derate the engine and trigger an engine shutdown.
- 562
- Fault Message - Battery voltage low
- Description - Battery voltage to ECM less than x volts while the engine is operating at y RPM or greater
- Corrective Action: - Illuminate MIL and/or sound audible warning or illuminate secondary warning lamp, disable adaptive fueling correction for remainder of key cycle.
- 563
- Fault Message - Battery voltage high
- Description - Battery voltage to ECM greater than x volts while the engine is running.
- Corrective Action - Illuminate MIL and/or sound audible warning or illuminate secondary warning lamp, disable adaptive fueling correction for remainder of key cycle.
- 642
- Fault Message - Sensor supply voltage 1 low
- Description - ECM 5 volt output is below the acceptable limit.
- Corrective Action - Illuminate MIL and/or sound audible warning or illuminate secondary warning lamp.
- 643
- Fault Messag - Sensor supply voltage 1 high
- Description - ECM 5 volt output is above the acceptable limit.
- Corrective Action - Illuminate MIL and/or sound audible warning or illuminate secondary warning lamp.
- 1612
- Fault Message - Microprocessor failure RTI 1
- Description: - Internal microprocessor error
- 1613
- Fault Message - Microprocessor failure RTI 2
- Description - Internal microprocessor error
- 1614
- Fault Message - Microprocessor failure RTI 3
- Description - Internal microprocessor error
- 1615
- Fault Message - Microprocessor failure A/D
- Description - Internal microprocessor error
- 1616
- Fault Message - Microprocessor failure Interrupt
- Description - Internal microprocessor error
- 1652
- Fault Message - TPS1 loss of communications
- Description - ECM is expecting to receive throttle position information from the throttle actuator and is not.
- Corrective Action - Illuminate MIL and/or sound audible warning or illuminate secondary warning lamp. Shut down engine.
- 2111
- Fault Message - Unable to reach lower TPS
- Description - Throttle command is 20% less than throttle position for 200ms or longer.
- Corrective Action - Engine shut down
- 2112
- Fault Message - Unable to reach higher TPS
- Description - Throttle command is 20% more than actual throttle position.
- Corrective Action - Engine shut down
- 9999
- Fault Message - TPS1 failsafe spring failure
- Description - When the key is off, the ECM is expecting the failsafe spring in the actuator to return the throttle position to near 0%.
- Corrective Action - Illuminate MIL and/or sound audible warning or illuminate secondary warning lamp. Govern the engine speed to a forced idle speed.