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FPT Fault Codes List: 3797 to 3F1C-0

Page 18 of 31 of the full FPT fault code list (3,033 codes). Each entry is the code as the machine reports it and what the manufacturer data says it means.

FPT codes 3797 to 3F1C-0

  • 3797Differential Pressure Sensor - Signal Too High
  • 3798Differential Pressure Sensor - Signal Too Low
  • 3799Pressure Relief Valve: Pressure Relief Valve Is Forced To Open, Perform Pressure Shock
  • 37B3Crankcase Pressure Has Exceeded Tolerance Limit
  • 37B3-1FCrankcase Pressure
  • 37EENH3 Sensor Heater Performance Failure
  • 37EE-0NH3 Sensor
  • 37EE-1FNH3 Sensor
  • 3800Pressure Relief Valve: Quantity Balance Check If A Successful PRV Opening Is Ensured
  • 3801Exhaust Manifold Pressure Sensor - Signal Too High
  • 3802Exhaust Manifold Pressure Sensor - Signal Too Low
  • 3803ECU Internal: Error On R2S2 Module (Low Level Chip Driver For The Power Stage Chips)
  • 3805Maximum Rail Pressure Exceeded
  • 3808High Pressure Pump Fuel Delivery Quantity at Low Idle is Too High
  • 3810Fuel Pressure Sensor: Rail Pressure Raw Value Is Intermittent
  • 3811ECU Sensor Supply Monitor: ECU Internal: Error Sensor Supplies 1
  • 3812Engine Controller Internal Temperature Out of Range (High)
  • 3813Engine Controller Internal Temperature Out of Range (Low)
  • 3814Engine Controller Internal Temperature Out of Range (SPI Error - LM71)
  • 3818Throttle Valve Actuator Control Circuit Open
  • 3819Throttle Valve Actuator (TVA) - Over-Current At Power Stage
  • 3820Throttle Valve Actuator (TVA) - Over-Temperature At Power Stage
  • 3821Throttle Valve Actuator (TVA) - Short Circuit To Battery At Out1 Of Power Stage
  • 3822Throttle Valve Actuator (TVA) - Short Circuit To Battery At Out2 Of Power Stage
  • 3823Throttle Valve Actuator (TVA) - Short Circuit To Ground At Out1 Of Power Stage
  • 3824Throttle Valve Actuator (TVA) - Short Circuit To Ground At Out2 Of Power Stage
  • 3825Throttle Valve Actuator (TVA) - Short Circuit At Power Stage
  • 3826Throttle Valve Actuator (TVA) - Temperature Dependent Over-Current At Power Stage
  • 3827Throttle Valve Actuator Control Circuit Supply Voltage Too Low
  • 3830Throttle Valve Actuator (TVA) - Position Signal Too High
  • 3831Throttle Valve Actuator (TVA) - Position Signal Too Low
  • 3834Throttle Valve Actuator Position Sensor Voltage is Higher Than Expected
  • 3835Throttle Valve Actuator Position Sensor Voltage is Lower Than Expected
  • 3838Diagnostic Fault Check For SRC Low In Oxidation Catalyst Upstream Temperature
  • 3839Diesel Oxidation Catalyst (DOC) Inlet Temperature Sensor - Signal Too Low
  • 3840Diesel Particulate Filter (DPF) Inlet Temperature Sensor - Signal Too High
  • 3841Diesel Particulate Filter (DPF) Inlet Temperature Sensor - Signal Too Low
  • 3842Exhaust Manifold Temperature Sensor - Signal Too High
  • 3843Exhaust Manifold Temperature Sensor - Signal Too Low
  • 3844Error in Comparing Energizing Time to Maximum Value For Injector in Cylinder 1
  • 3845Error State On Comparing Energizing Time To Maximum Value Injector 2
  • 3846Error in Comparing Energizing Time to Maximum Value For Injector in Cylinder 3
  • 3847Error in Comparing Energizing Time to Maximum Value For Injector in Cylinder 2
  • 3848Error in Comparing Energizing Time to Minimum Value For Injector in Cylinder 1
  • 3849Error State On Comparing Energizing Time To Minimum Value Injector 2
  • 3850Error in Comparing Energizing Time to Minimum Value For Injector in Cylinder 3
  • 3851Error in Comparing Energizing Time to Minimum Value For Injector in Cylinder 2
  • 3852Lambda Sensor - Insufficient Heater Performance
  • 3870CAN Communication Failure Between Vehicle Controller and ECU - BC2ECU1 Message
  • 3899Info: Engine Temperature Exceeded Pre-Warn Level
  • 38CBNH3 Sensor Signal is Not Changing
  • 38CB-0NH3 Sensor
  • 38CB-1FNH3 Sensor
  • 38EENH3 Sensor Signal Out of Range Failure
  • 38EE-0NH3 Sensor
  • 38EE-1FNH3 Sensor
  • 3900Engine Coolant Temperature Has Exceeded The Warning Threshold
  • 3906Injection Control - Number Of Injections Limited By Quantity Balance Of High Pressure Pump
  • 3910High Pressure Pump Solenoid Valve - Intermittent Connection To ECU
  • 3915Pressure Relief Valve: Averaged Rail Pressure Is Outside The Expected Range With Open PRV
  • 3916Pressure Relief Valve: Open Time Of PRV For Wear Out Monitoring Had Exceeded Maximum Value
  • 3959Intake Throttle Valve Position Is Higher Than Expected
  • 3960Intake Throttle Valve Position Is Lower Than Expected
  • 3961External Torque / Speed Access Via CAN BUS: Checksum And Counter Error Of Request
  • 3983Engine Overspeed Detected
  • 3985SRC High For Turbine Upstream Pressure Sensor
  • 3986SRC Low For Turbine Upstream Pressure Sensor
  • 3995Monitoring For Pressure Loss in The High Pressure Accumulator (Rail Test)
  • 3999Unknown ECM Error Code Received
  • 39EInfo: Torque Limitation Active - Torque Limitation
  • 3A2NOx Sensing - Difference Between Measured and Simulated Value No
  • 3AB1Diagnostic Fault Check of Synchronism For Double Potentiometer and Low Idle Switch (LIS)
  • 3ADInducements - Urea Quality or Urea Level Error 6
  • 3AFSCR Control - Error in DCU Active
  • 3B65High Pressure Pump Fuel Delivery Quantity in Over Run Exceeds a Maximum Threshold
  • 3B65-0Fuel Pressure Control Metering Unit
  • 3B65-1FFuel Pressure Control Metering Unit
  • 3BDA-1FSCR NOx Calculation
  • 3C65High Pressure Pump Fuel Delivery Quantity at Low Idle is Too High
  • 3C65-0Fuel Pressure Control Metering Unit
  • 3C65-1FFuel Pressure Control Metering Unit
  • 3C8CAN Bus - CAN Timeout
  • 3CAEDownstream NOx Sensor Lambda Signal Deviation - NOx Sensor Possible Removal Detected
  • 3CAE-0NOx Sensing
  • 3CAE-1FNOx Sensing
  • 3D1CDOC Upstream Temperature Sensor Signal Drift At Cold Start
  • 3D1C-0Oxicat Temp Monitoring
  • 3D1C-1FOxicat Temp Monitoring
  • 3D3ECU Internal - Soft Reset, Recovery Occurred
  • 3DA3-1FCrankcase Pressure
  • 3DBADEF Pressure Line Heater Failure and DEF Tank Temperature is Too Low
  • 3DBA-0SCR Reagent Heating
  • 3DBA-1 FSCR Reagent Heating
  • 3DD6DEF/AdBlue Tank Level Sensor - System Error
  • 3E1CSCR Upstream Temperature Sensor Signal Drift at Cold Start
  • 3E1C-0Oxicat Temp Monitoring
  • 3E1C-1FOxicat Temp Monitoring
  • 3E3ADEF/AdBlue Supply Module Temperature Sensor Cold Start Plausibility Failure
  • 3F1CSCR Downstream Temperature Sensor Signal Drift at Cold Start
  • 3F1C-0DPF Temp Monitoring
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