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Case IH fault codes & repair guides

All 9,847 codes· 50 per page · page 134 of 197

Case IH fault codes with controller, issue summary and a link to the full repair manual
CodeControllerIssue summaryRepair manual
19680Engine Control Unit (ECU)Turbine upstream pressure is too lowFull repair manual for code 19680, Engine Control Unit (ECU)
19681Vehicle Electronic Control Unit (VECU) / Engine Control ModulePower relay high side driver circuit short to battery failureFull repair manual for code 19681, Vehicle Electronic Control Unit (VECU) / Engine Control Module
19682Engine Control Unit (ECU)Threshold of the battery under-voltage for switching to start with MeUn procedureFull repair manual for code 19682, Engine Control Unit (ECU)
19683Engine ECU (Engine Control Unit)Rail pressure reduction by blank shots during after run abortedFull repair manual for code 19683, Engine ECU (Engine Control Unit)
19684Engine Control Module (ECM) or Dosing Control Unit (DCU) / SCR ControllerError set in case of leak test stopped because of break-off conditionsFull repair manual for code 19684, Engine Control Module (ECM) or Dosing Control Unit (DCU) / SCR Controller
19699Engine Control Module (ECM)Set value of PCV not in plausibility rangeFull repair manual for code 19699, Engine Control Module (ECM)
19700Engine Control Unit (ECU) / Engine Control Module (ECM)Minimum rail pressure failedFull repair manual for code 19700, Engine Control Unit (ECU) / Engine Control Module (ECM)
19701Engine Control Unit (ECU)Maximum rail pressure exceededFull repair manual for code 19701, Engine Control Unit (ECU)
19702Engine Control Unit (ECU)Set value of PCV not in plausibility rangeFull repair manual for code 19702, Engine Control Unit (ECU)
19703Engine Control Module (ECM) or Dosing Control Unit (DCU)Supply module heater temperature sensor is not working correctly.Full repair manual for code 19703, Engine Control Module (ECM) or Dosing Control Unit (DCU)
19704Engine Control Module (ECM) or Dosing Control Unit (DCU)Diagnostic Fault Check for Supply Module Heater Temperature Duty cycle in invalid rangeFull repair manual for code 19704, Engine Control Module (ECM) or Dosing Control Unit (DCU)
19705Engine Control Unit (ECU)Failure to maintain minimum common rail pressureFull repair manual for code 19705, Engine Control Unit (ECU)
19705Engine Control Unit (ECU / EDC)Minimum rail pressure failedFull repair manual for code 19705, Engine Control Unit (ECU / EDC)
19706Engine Control Module (ECM) / EDC (Electronic Diesel Control)Maximum rail pressure exceededFull repair manual for code 19706, Engine Control Module (ECM) / EDC (Electronic Diesel Control)
19708Engine Control Module (ECM / EDC)Monitoring for pressure loss in the high pressure accumulator (rail test)Full repair manual for code 19708, Engine Control Module (ECM / EDC)
19708 (DTC 3995) - ECUEngine Control Unit (ECU)Monitoring for pressure loss in the high pressure accumulator (rail test)Full repair manual for code 19708 (DTC 3995) - ECU, Engine Control Unit (ECU)
19709Engine Control Unit (ECU) / Engine Control Module (ECM)Maximum negative rail pressure deviation with metering unit on lower limit is exceeded (second stage)Full repair manual for code 19709, Engine Control Unit (ECU) / Engine Control Module (ECM)
19710Engine Control Unit (ECU)Maximum rail pressure exceeded (second stage)Full repair manual for code 19710, Engine Control Unit (ECU)
19711Engine Control Module (ECM)Positive deviation of rail pressure under fast condition exceededFull repair manual for code 19711, Engine Control Module (ECM)
19713Engine Control Unit (ECU)Fuel Metering Unit : maximum rail pressure exceeded - overrun detectionFull repair manual for code 19713, Engine Control Unit (ECU)
19714Engine Control Module (ECM) / Engine ECUMaximum positive deviation of rail pressure exceeded for tank lo detectionFull repair manual for code 19714, Engine Control Module (ECM) / Engine ECU
19716Engine Control Module (ECM)Leakage is detected based on fuel quantity balance (tank low condition)Full repair manual for code 19716, Engine Control Module (ECM)
19717Engine Control Unit (ECU) / Electronic Diesel Control (EDC)Maximum negative rail pressure deviation with metering unit on lower limit is exceededFull repair manual for code 19717, Engine Control Unit (ECU) / Electronic Diesel Control (EDC)
19718Engine Control Module (ECM) / EDCMaximum negative rail pressure deviation with metering unit on lower limit is exceeded (second stage)Full repair manual for code 19718, Engine Control Module (ECM) / EDC
19719Engine Control Unit (ECU)Minimum rail pressure exceeded for tank lo detectionFull repair manual for code 19719, Engine Control Unit (ECU)
19720Engine Control Unit (ECU)Maximum rail pressure exceededFull repair manual for code 19720, Engine Control Unit (ECU)
19721DCU (Dosing Control Unit)EEPROM / Checksum failures | EEPROM write error / No corresponding variant number error | P062F Internal Control Module EEPROM ErrorFull repair manual for code 19721, DCU (Dosing Control Unit)
19722DCU (Dosing Control Unit)EEPROM / Checksum failures | No corresponding variant number error | Internal Control Module EEPROM ErrorFull repair manual for code 19722, DCU (Dosing Control Unit)
19723DCU (Dosing Control Unit / Denox Control Unit)EEPROM / Checksum failureFull repair manual for code 19723, DCU (Dosing Control Unit / Denox Control Unit)
19724DCU (Dosing Control Unit)EEPROM / Checksum failures | EEPROM Detection error OR 'Codierwort error | P062F Internal Control Module EEPROM ErrorFull repair manual for code 19724, DCU (Dosing Control Unit)
19725DCU (Dosing Control Unit)EEPROM / Checksum failures — Wrong EEPROM size — P062F Internal Control Module EEPROM ErrorFull repair manual for code 19725, DCU (Dosing Control Unit)
19726Engine Control Unit (ECU) / EDC (Electronic Diesel Control)Maximum rail pressure exceeded (second stage)Full repair manual for code 19726, Engine Control Unit (ECU) / EDC (Electronic Diesel Control)
19727ENGINE Control Module (ECM / EDC)Positive deviation of rail pressure under fast condition exceeded for tank lo detectionFull repair manual for code 19727, ENGINE Control Module (ECM / EDC)
19728Engine Control Unit (ECU) / Engine Data Controller (EDC)Set-point of metering unit in overrun mode not plausibleFull repair manual for code 19728, Engine Control Unit (ECU) / Engine Data Controller (EDC)
19729Engine Control Unit (ECU)Set-point of metering unit in idle mode not plausible (tank low condition)Full repair manual for code 19729, Engine Control Unit (ECU)
19730DCU (Dosing Control Unit)Ignition "on" signal K15 – digital input ignition ON not sensed during initializationFull repair manual for code 19730, DCU (Dosing Control Unit)
19731Engine Control Unit (ECU)Maximum rail pressure exceeded - overrun detectionFull repair manual for code 19731, Engine Control Unit (ECU)
19732Engine Control Module (ECM)Maximum positive deviation of rail pressure exceededFull repair manual for code 19732, Engine Control Module (ECM)
19733Engine Control Module (ECM / ECU)Maximum positive deviation of rail pressure exceeded concerning set value PCV.Full repair manual for code 19733, Engine Control Module (ECM / ECU)
19734Engine Control Module (ECM)Maximum negative rail pressure deviation with closed pressure control valve exceededFull repair manual for code 19734, Engine Control Module (ECM)
19735Engine Control Module (ECM) / Engine Control Unit (ECU)Maximum negative rail pressure deviation with closed pressure control valve exceeded (second stage)Full repair manual for code 19735, Engine Control Module (ECM) / Engine Control Unit (ECU)
19736Engine Control Unit (ECU)Minimum rail pressure exceededFull repair manual for code 19736, Engine Control Unit (ECU)
19737Engine Control Unit (ECU) / Electronic Diesel Control (EDC)Maximum rail pressure exceededFull repair manual for code 19737, Engine Control Unit (ECU) / Electronic Diesel Control (EDC)
19738Engine Control Unit (ECU / ECM)Maximum rail pressure exceeded (second stage)Full repair manual for code 19738, Engine Control Unit (ECU / ECM)
19739DCU or ECM / PCMMain Relay opens too early / too late | main relay shut off too late | P0687 ECM/PCM Power Relay Control Circuit HighFull repair manual for code 19739, DCU or ECM / PCM
19740DCUMain Relay opens too early / too lateFull repair manual for code 19740, DCU
19741DCU (Dosing Control Unit) or Engine ECM/PCMMain Relay opens too early / too late | main relay open circuit | P0687 ECM/PCM Power Relay Control Circuit HighFull repair manual for code 19741, DCU (Dosing Control Unit) or Engine ECM/PCM
19742DCU (Dosing Control Unit)Main Relay opens too early / too late (19742) / Too high UREA Temperature in Pump module (19748)Full repair manual for code 19742, DCU (Dosing Control Unit)
19743Engine Control Module (ECM)Fuel Metering Unit: Maximum positive deviation of rail pressure exceeded.Full repair manual for code 19743, Engine Control Module (ECM)
19744Engine Control Unit (ECU)Maximum positive deviation of rail pressure exceeded concerning set value PCVFull repair manual for code 19744, Engine Control Unit (ECU)