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New Holland Tractor Fault Codes List: 4A8E to 56B6

Page 28 of 35 of the full New Holland Tractor fault code list (3,475 codes). Each entry is the code as the machine reports it and what the manufacturer data says it means.

New Holland Tractor codes 4A8E to 56B6

  • 4A8EUpstream NOx Sensor Supply Voltage is Out of Range
  • 4B84Air FiIter Clog or Circuit Failure
  • 4B8ADEF System Unable to Build Sufficient Pressure for Dosing
  • 4BCADEF Concentration is Out of Range
  • 4C4ESignal Fault of the Temperature Sensor Located in the Urea Quality Sensor (Reported via CAN Frame COMRX_CRI1)
  • 4C84Air Filter Clog or Circuit Failure Present for a Long Time
  • 4CCADEF Quality Sensor Detects Diesel Fuel in DEF Tank
  • 4CDENH3 Sensor Heater Control Failure
  • 4D4ECU Internal Failure - Undervoltage Monitoring Error
  • 4DCADEF Quality Sensor Temperature Failure (Different from DEF Level Temperature)
  • 4DDENH3 Sensor Power Supply Failure
  • 4E3Level 2 Monitoring: Diagnosis Fault Check to Report the Error to Demand for an ICO Due to an Error in the Pol3 Efficiency Factor
  • 4EDENH3 Sensor Controller Failure
  • 4F15Water in Fuel Sensor or Sensor Circuit Failure
  • 4F7AHeater Control Unit Reports Missing Voltage at Terminal 30
  • 5Hitch Lower Solenoid Shorted to 12 Volts
  • 50Hitch Pot Signal Not within Expected Range for Maximum Hitch Position
  • 5001PTO Switch Detected on During Tractor Power Up
  • 5002Rear PTO Brake Solenoid Output - Short Circuit to 12V
  • 5003Rear PTO Brake Output - Open Circuit or Short Circuit to Ground
  • 5004Auto PTO Switch Stuck On Condition
  • 5005Rear PTO Brake Switch - Open Circuit
  • 5006Rear PTO Solenoid - Short Circuit to 12V
  • 5007Rear PTO Solenoid - Open Circuit or Short Circuit to Ground
  • 5008Both PTO On and Off Switches Are Simultaneously On, One of the PTO Switches is Shorted to 12 Volts
  • 5009PTO Solenoid Open Circuit or Shorted to Ground
  • 5010PTO Solenoid Circuit Shorted to B+ When PTO is in the Off State
  • 5011Engine Oil Pressure Sensor Signal Too Low
  • 5012PTO Clutch is Slipping Excessively for the Duration of 5 Seconds or Longer
  • 5013Engine Speed is Too Low for the PTO to be in the On State
  • 5014PTO is Commanded Off But the PTO Speed is Greater Than Zero
  • 5015The Software Has Not Detected PTO Shaft Speed for 3 Seconds Since the PTO Initial Fill Valve Was Commanded
  • 5016PTO Speed is Detected When the PTO is in the Off State without Engine RPM
  • 5017PTO Clutch Did Not Lock Up After 6 Seconds of Clutch Motion
  • 5018PTO Speed Sensors Wiring Swapped
  • 5019PTO is Configured as a Two Speed and No Shaft Size Frequency Was Detected When the PTO Was Switched On
  • 5020PTO is Configured as a Single Speed and Shaft Size Frequency Was Detected When the PTO Was Switched On, Shaft Size Frequency Input is Only Used for Two Speed PTO
  • 5021Auto PTO Disabled
  • 5022PTO Switch is in the On Position When the Engine is Off
  • 5023PTO Clutch Lube Solenoid Circuit Shorted to B+ When PTO is in the Off State
  • 5024PTO Clutch Lube Solenoid Open Circuit or Shorted to Ground
  • 5025PTO Low Side Driver Watchdog Test Failed
  • 5026The 12 Volt Supply to the PTO is Too Low
  • 5027PTO Speed Sensor Open Circuit or Short Circuit to VBAT
  • 5028Clutch Speed Sensor Open or Short to B+
  • 5029Clutch Speed Sensor Short to Ground
  • 5030Shaft Size Speed Sensor Open or Short to B+ PTO Small Shaft Switch
  • 5031Shaft Size Speed Sensor Short to Ground
  • 503212VF3 Voltage Supply is Low
  • 5033Rear PTO CAB Normally Closed Switch - Open Circuit
  • 5034Rear PTO Fender Switch - Open Circuit/Short to Ground
  • 5035Rear PTO Fender Switch - Input Shorted to 12V
  • 5037Rear PTO CAB Normally Open Switch - Stuck Closed
  • 5042Rear PTO Management Switch - Stuck Closed
  • 5043Rear PTO Fender Switch Stuck on Error
  • 5044PTO Speed Sensor Short Circuit to Ground
  • 5045Ground Speed PTO Switch Open/Short to Ground
  • 5046Ground Speed PTO Switch Short to 12 V
  • 5047Ground Speed PTO Configuration Error
  • 5050Hydraulic PTO Shift - No Control Message Received
  • 5051Hydraulic PTO Shift - EEPROM Error
  • 5052Hydraulic PTO Shift - Supply Voltage Too Low
  • 5053Hydraulic PTO Shift - Spool Movement Too Low
  • 5054Hydraulic PTO Shift - Spool Movement Too High
  • 5055Hydraulic PTO Shift - Valve Spool Manually Operated
  • 5056Hydraulic PTO Shift - Driver Faulty
  • 5057Hydraulic PTO Shift - Potentiometer Faulty
  • 5058Hydraulic PTO Shift - Spool Unable to Reach Neutral
  • 5059Hydraulic PTO Shift - No Communication From Pilot Head
  • 5098Rear Power Take-Off (PTO) Fender Switches - Option Not Enabled
  • 5099Rear PTO Auto PTO Not Enabled
  • 51FNRP Pod indicates Forward OR Reverse is On When Park is On
  • 515ADEF Supply Module Pump Motor Open Load Failure
  • 5171After Run Relay High Side Driver Circuit Open Failure
  • 51B5Fuel Filter Heater Actuator Has an Open Load Error
  • 52Hitch Lower Valve Threshold is Too Low During Calibration
  • 5255Fuel Metering Unit Has an Open Load Error
  • 52CGlow Control Unit (GCU) Data Error
  • 53the Time Allowed for Calibration Has Expired
  • 53001Standard Instrumentation Configuration is Incorrect
  • 53005Engine Shutdown Activated
  • 5316Open Load Error of Injector in Cylinder 1
  • 532Engine Coolant Temperature Has Exceeded the Warning Threshold
  • 535Maximum Rail Pressure Exceeded
  • 53B6Reporting the Leakage in the System During No Dosing
  • 53D6No Load Error on Low Powerstage For Urea Back Flow Pump
  • 54Hitch Position is Not at Minimum
  • 5416Open Load Error of Injector in Cylinder 3
  • 5468Open Load Temperature Error on the Turbocharger PWM Output Powerstage
  • 54CEngine Over Speed Condition Detected
  • 55Range of the Hitch Position is Not within Specification
  • 5516Open Load Error of Injector in Cylinder 4
  • 5533Fan Clutch Solenoid Open Load Failure
  • 559Fuel Metering Unit Has an Over-Temperature Error
  • 56Ratio of Position Command to Rockshaft Range is Not within Specification
  • 5614Intake Air Heater Actuator Has an Open Load Error
  • 5616Open Load Error of Injector in Cylinder 2
  • 563AOpen Load Error of DEF Supply Module Heater Actuator Powerstage
  • 569ADEF Tank Heater Actuator Open Load Failure
  • 56B6DEF Supply Module Supply Voltage Control Relay Circuit Open
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