John Deere fault codes & repair guides

All 3,995 codes· 50 per page · page 73 of 80

John Deere fault codes with controller, issue summary and a link to the full repair manual
CodeControllerIssue summaryRepair manual
523961.07TIQ, PTQ, EPC, ACU, TIA, TII, UICReverse Drive Lever Not in Neutral Position while Park Lock is EngagedFull repair manual for code 523961.07, TIQ, PTQ, EPC, ACU, TIA, TII, UIC
523961.12PL1 (Gear Shift Module Direct Drive)Tractor Moving When Park Lock OnFull repair manual for code 523961.12, PL1 (Gear Shift Module Direct Drive)
523961.12TIA / UIC / PL1 / PL3The Park Lock Can Not Be Engaged As The Tractor Speed Is Too High, Or The Park Lock Pressure Is Low.Full repair manual for code 523961.12, TIA / UIC / PL1 / PL3
523964.03SFASFA Pressure Down Solenoid High VoltageFull repair manual for code 523964.03, SFA
523964.05SFA / TSCY68 Solenoid Valve for Reducing Pressure (TLS), Current Too LowFull repair manual for code 523964.05, SFA / TSC
523964.06SFA (Front Chassis Module) or TSC (Tractor Suspension Controller)SFA Pressure Down Solenoid High AmpsFull repair manual for code 523964.06, SFA (Front Chassis Module) or TSC (Tractor Suspension Controller)
523965.14SFA (Suspended Front Axle Control Unit)Front Axle Suspension Turned Off Due To A Fault. Check For Other Error Codes.Full repair manual for code 523965.14, SFA (Suspended Front Axle Control Unit)
523965.31SFA / TSCAxle Has Not Reached Its Position / Activation of Manual Mode has FailedFull repair manual for code 523965.31, SFA / TSC
523966.04PTR (PowrReverser Transmission module) / PRCK10/2 - Come-Home Connector, Voltage Too Low During Test RoutineFull repair manual for code 523966.04, PTR (PowrReverser Transmission module) / PRC
523966.11Cab Module (TIA) / User Interface Control (UIC)Limp Home Mode ActivatedFull repair manual for code 523966.11, Cab Module (TIA) / User Interface Control (UIC)
523966.14TIALimp Home Mode ActivatedFull repair manual for code 523966.14, TIA
523966.31PTQLimp Home Mode ActivatedFull repair manual for code 523966.31, PTQ
PTQ523966.31PTQFuse F5 Check and Come Home Mode ProcedureFull repair manual for code PTQ523966.31, PTQ
523966.31PTRCome Home Mode ActivatedFull repair manual for code 523966.31, PTR
523966.31TIA / PTQ / ACU / EPC / TIP / TIQ / CABTransmission Come Home Active / Limp Home Mode ActivatedFull repair manual for code 523966.31, TIA / PTQ / ACU / EPC / TIP / TIQ / CAB
523967.02TIA, UIC, or ACUSpeed Band Switch and Voltage MismatchFull repair manual for code 523967.02, TIA, UIC, or ACU
523971.03AIC / ACU / HCUThe Signal Voltage From The Rear Hitch Height Control Slide is too highFull repair manual for code 523971.03, AIC / ACU / HCU
523971.04AIC / ACUSignal Voltage From The Rear Hitch Height Control Slide is too LowFull repair manual for code 523971.04, AIC / ACU
523971.13Main Control Module (AIC)The Depth control slide position sensor is not calibratedFull repair manual for code 523971.13, Main Control Module (AIC)
523973.02CSC (Comfort System Controller / Cab Suspension Control)Cab Position Out of Valid Range During CalibrationFull repair manual for code 523973.02, CSC (Comfort System Controller / Cab Suspension Control)
523973.03CSC (Comfort System Controller) / TSC (Tractor Suspension Controller)Issue With Signal Voltage For Cab Position Sensor During A CalibrationFull repair manual for code 523973.03, CSC (Comfort System Controller) / TSC (Tractor Suspension Controller)
523973.04CSC (Cab Suspension Control) / TSC (Tractor Suspension Control)B110 Sensor for Cab Position, Voltage Too LowFull repair manual for code 523973.04, CSC (Cab Suspension Control) / TSC (Tractor Suspension Control)
523973.07CSCThe Cab Suspension Has Not Levelled When The Tractor Is Driving / Cab Suspension Center Position Out of AdjustmentFull repair manual for code 523973.07, CSC
523973.1CSC (Cab Suspension Controller)Cab Suspension Fails to Reach Level Position or End Stops in Target Time During CalibrationFull repair manual for code 523973.1, CSC (Cab Suspension Controller)
523973.10Cab Suspension Calibrated Issue Rear ChassisFull repair manual for code 523973.10
523973.13CSCCab Suspension Sensor Not Calibrated Correctly / Cab Suspension Calibration FaultFull repair manual for code 523973.13, CSC
523973.14CSC (Comfort System Controller / Cab Suspension Controller)Cab Suspension Position Sensor Has Never Been CalibratedFull repair manual for code 523973.14, CSC (Comfort System Controller / Cab Suspension Controller)
523973.15CSC (Comfort System Controller)Cab Lower Position Not Achieved Rear Chassis (CSC) / Sensor for Cab Suspension at Bottom Stop, Incorrect Sensor SignalFull repair manual for code 523973.15, CSC (Comfort System Controller)
523973.16CSC (Comfort System Controller)Cab Lower Position Not AchievedFull repair manual for code 523973.16, CSC (Comfort System Controller)
523973.17CSC (Comfort System Controller)Cab Raise Position Not Achieved Rear Chassis (CSC) / Cab Suspension All the Way Up During Calibration, Incorrect Sensor SignalFull repair manual for code 523973.17, CSC (Comfort System Controller)
523973.31CSC (Comfort System Controller)Cab Moves In The Wrong Direction When Calibrated / Cab Suspension Calibration FaultFull repair manual for code 523973.31, CSC (Comfort System Controller)
523974.02SFA / TSCAxle Pressure Sensor Detected Incorrect Pressure In The Front Axle CircuitFull repair manual for code 523974.02, SFA / TSC
523974.03SFA (Suspended Front Axle) / TSC (Tractor Steering Control)SFA Oil Pressure Sensor High VoltageFull repair manual for code 523974.03, SFA (Suspended Front Axle) / TSC (Tractor Steering Control)
523974.04SFA (Front Chassis Module) or TSC (Tractor Steering Control)B167 Sensor for Oil Pressure (TLS), Voltage Too LowFull repair manual for code 523974.04, SFA (Front Chassis Module) or TSC (Tractor Steering Control)
523974.14SFA / TSCCommanded Standard Pressure Could Not Be AchievedFull repair manual for code 523974.14, SFA / TSC
523974.16SFACommanded Minimum Pressure Could Not Be AchievedFull repair manual for code 523974.16, SFA
523974.18SFA / TSCCommanded Maximum Pressure Could Not Be AchievedFull repair manual for code 523974.18, SFA / TSC
523975.03SFA / TSCTLS Axle All the Way Down, Voltage Too High (During Calibration)Full repair manual for code 523975.03, SFA / TSC
523975.04TSC (Tractor Steering Control) or SFA (Suspended Front Axle)TLS Axle All the Way Up, Voltage Too Low (During Calibration)Full repair manual for code 523975.04, TSC (Tractor Steering Control) or SFA (Suspended Front Axle)
523975.13TSC or SFATLS Axle in Level Position, Voltage Out of Range (During Calibration)Full repair manual for code 523975.13, TSC or SFA
523976.03TSC (Suspension Control Unit) or SFA (Suspended Front-Wheel Drive Axle Control Unit)Sensor for TLS Position, Voltage Too HighFull repair manual for code 523976.03, TSC (Suspension Control Unit) or SFA (Suspended Front-Wheel Drive Axle Control Unit)
523976.04TSC (Tractor Suspension Control) or SFA (Suspended Front-Wheel Drive Axle)Sensor for TLS Position, Voltage Too LowFull repair manual for code 523976.04, TSC (Tractor Suspension Control) or SFA (Suspended Front-Wheel Drive Axle)
523976.31TSC (Tractor Suspension Control) or SFA (Suspended Front Axle / Front Chassis Module)TLS Axle Does Not Reach Level Position in Target Time (During Calibration)Full repair manual for code 523976.31, TSC (Tractor Suspension Control) or SFA (Suspended Front Axle / Front Chassis Module)
524015.09SCCMissing SV III (Selective Control Valve III) External Control Message for 1 Second.Full repair manual for code 524015.09, SCC
524016.03Batteries and Alternator FaultFull repair manual for code 524016.03
SCO524016.03SCOControl Box Supply Voltage ProblemFull repair manual for code SCO524016.03, SCO
524016.04CCUCCU Switched Supply Voltage LowFull repair manual for code 524016.04, CCU
HCU524016.04HCUSwitching Supply Voltage ProblemFull repair manual for code HCU524016.04, HCU
524017.31CAB / ACU / UICLeft-Hand Reverser Lever Power Circuit FaultFull repair manual for code 524017.31, CAB / ACU / UIC
524019.31CAB / ACU / AICForward/Reverse Drive Lever Neutral Position IssueFull repair manual for code 524019.31, CAB / ACU / AIC