Case IH fault codes & repair guides

All 9,847 codes· 50 per page · page 15 of 197

Case IH fault codes with controller, issue summary and a link to the full repair manual
CodeControllerIssue summaryRepair manual
703-02 - ACMACMConfigurable switch 3 circuit faultFull repair manual for code 703-02 - ACM, ACM
704-02 - ACMACMConfigurable switch 4 circuit faultFull repair manual for code 704-02 - ACM, ACM
706-02 - ACMACMConfigurable switch 6 circuit faultFull repair manual for code 706-02 - ACM, ACM
708-02 - ACMACMAuxiliary I/O #08 (Configurable Switch 8) - Erratic, Intermittent, or IncorrectFull repair manual for code 708-02 - ACM, ACM
708-09 - ACMACMThrottle keypad disconnected while powered onFull repair manual for code 708-09 - ACM, ACM
708-14 - ACMACMThrottle keypad configurationFull repair manual for code 708-14 - ACM, ACM
708-19 - ACMACMThrottle keypad disconnectedFull repair manual for code 708-19 - ACM, ACM
709-02 - ACMACMConfigurable switch 9 circuit faultFull repair manual for code 709-02 - ACM, ACM
731Engine Control Module (ECM)Engine Speed / Position #2 -- Mechanical misalignmentFull repair manual for code 731, Engine Control Module (ECM)
734-00 - DECDECTransmission C1 clutch solenoid maximum calibration current limit exceededFull repair manual for code 734-00 - DEC, DEC
734-01 - DECTransmission Controller (TCU)Transmission C1 clutch solenoid electrical circuit fault voltage lowFull repair manual for code 734-01 - DEC, Transmission Controller (TCU)
734-03 - DECTransmission Control Unit (TCU) or Electronic Control Module (ECM)Transmission C1 clutch solenoid electrical circuit fault voltage above normalFull repair manual for code 734-03 - DEC, Transmission Control Unit (TCU) or Electronic Control Module (ECM)
734-04 - DECTransmission Control Unit (TCU)Transmission Range Clutch C1 Solenoid - Voltage Below Normal, or Shorted to Low SourceFull repair manual for code 734-04 - DEC, Transmission Control Unit (TCU)
734-05 - DECTransmission Control Unit (TCU) or Electronic Control Unit (ECU)Transmission Range Clutch C1 Solenoid - Current below normal or open circuitFull repair manual for code 734-05 - DEC, Transmission Control Unit (TCU) or Electronic Control Unit (ECU)
734-06 - DECTransmission Control Unit (TCU) or Electronic Control Module (ECM)Transmission C1 clutch solenoid - Current above normal or grounded circuitFull repair manual for code 734-06 - DEC, Transmission Control Unit (TCU) or Electronic Control Module (ECM)
734-07 - DECTransmission ControllerTransmission C1 clutch solenoid failureFull repair manual for code 734-07 - DEC, Transmission Controller
734-13 - DECTransmission Control Unit (TCU) or Vehicle Control Unit (VCU)Transmission Range Clutch C1 Solenoid - Out of CalibrationFull repair manual for code 734-13 - DEC, Transmission Control Unit (TCU) or Vehicle Control Unit (VCU)
734-16 - DECTransmission Control Unit (TCU)Transmission C1 clutch solenoid electrical circuit fault voltage highFull repair manual for code 734-16 - DEC, Transmission Control Unit (TCU)
734-17 - DECTransmission Controller (TCU) or UCM (User Control Module)Transmission C1 clutch solenoid minimum calibration current limit exceededFull repair manual for code 734-17 - DEC, Transmission Controller (TCU) or UCM (User Control Module)
734-18 - DECTransmission Control Unit (TCU) / Transmission ECUTransmission C1 clutch solenoid minimum quick fill calibration time limit exceededFull repair manual for code 734-18 - DEC, Transmission Control Unit (TCU) / Transmission ECU
735-00 - DECTransmission Controller / TCUTransmission C2 clutch solenoid maximum calibration current limit exceededFull repair manual for code 735-00 - DEC, Transmission Controller / TCU
735-01 - DECTransmission Control Unit (TCU) or Transmission ECUTransmission Range Clutch C2 Solenoid electrical circuit fault, voltage lowFull repair manual for code 735-01 - DEC, Transmission Control Unit (TCU) or Transmission ECU
735-03 - DECTransmission Control Unit (TCU) or Electronic Control Module (ECM)Transmission C2 clutch solenoid electrical circuit fault voltage above normalFull repair manual for code 735-03 - DEC, Transmission Control Unit (TCU) or Electronic Control Module (ECM)
735-04 - DECDEC (Drivetrain Electronic Control)Transmission Range Clutch C2 Solenoid Voltage Below Normal, or Shorted to Low SourceFull repair manual for code 735-04 - DEC, DEC (Drivetrain Electronic Control)
735-05 - DECTransmission Control Unit (TCU)Transmission C2 clutch solenoid valve current is lowFull repair manual for code 735-05 - DEC, Transmission Control Unit (TCU)
735-06 - DECDECTransmission Range Clutch C2 Solenoid Current above normal or closed circuit (shorted to ground)Full repair manual for code 735-06 - DEC, DEC
735-13 - DECTransmission Control Unit (TCU) / Transmission ControllerTransmission C2 clutch solenoid out of calibrationFull repair manual for code 735-13 - DEC, Transmission Control Unit (TCU) / Transmission Controller
735-16 - DECTransmission Control Unit (TCU) / Drivetrain Electronic Controller (DEC)Transmission C2 clutch solenoid electrical circuit fault voltage highFull repair manual for code 735-16 - DEC, Transmission Control Unit (TCU) / Drivetrain Electronic Controller (DEC)
735-17 - DECTransmission Control Unit (TCU) or main vehicle ECUTransmission Range Clutch C2 Solenoid - Minimum calibration current limit exceededFull repair manual for code 735-17 - DEC, Transmission Control Unit (TCU) or main vehicle ECU
735-18 - DECTCUTransmission C2 clutch solenoid minimum quick fill calibration time limit exceededFull repair manual for code 735-18 - DEC, TCU
736-00 - DECTransmission ControllerTransmission C3 clutch solenoid maximum calibration current limit exceededFull repair manual for code 736-00 - DEC, Transmission Controller
736-01 - DECTransmission Controller (TCU)Transmission C3 clutch solenoid electrical circuit fault voltage lowFull repair manual for code 736-01 - DEC, Transmission Controller (TCU)
736-03 - DECDECTransmission C3 clutch solenoid electrical circuit fault voltage above normalFull repair manual for code 736-03 - DEC, DEC
736-04 - DECTransmission Control Unit (TCU)Transmission C3 clutch solenoid electrical circuit fault voltage below normalFull repair manual for code 736-04 - DEC, Transmission Control Unit (TCU)
736-05 - DECDECTransmission Range Clutch C3 Solenoid - Current below normal or open circuitFull repair manual for code 736-05 - DEC, DEC
736-06 - DECTransmission Control Unit (TCU)Transmission Range Clutch C3 Solenoid - Current above normal or shorted to groundFull repair manual for code 736-06 - DEC, Transmission Control Unit (TCU)
736-13 - DECTransmission Control Unit (TCU)Transmission C3 clutch solenoid out of calibrationFull repair manual for code 736-13 - DEC, Transmission Control Unit (TCU)
736-16 - DECTransmission Control Unit (TCU) or Vehicle Control Unit (VCU)Transmission C3 clutch solenoid electrical circuit fault voltage highFull repair manual for code 736-16 - DEC, Transmission Control Unit (TCU) or Vehicle Control Unit (VCU)
736-17 - DECTransmission Control Module (TCU / Transmission Controller)Transmission C3 clutch solenoid minimum calibration current limit exceededFull repair manual for code 736-17 - DEC, Transmission Control Module (TCU / Transmission Controller)
736-18 - DECTransmission Control Unit (TCU)Transmission C3 clutch solenoid minimum quick fill calibration time limit was exceededFull repair manual for code 736-18 - DEC, Transmission Control Unit (TCU)
737-00 - DECTransmission Control Unit (TCU) / Transmission ControllerTransmission C4 clutch solenoid maximum calibration current limit exceededFull repair manual for code 737-00 - DEC, Transmission Control Unit (TCU) / Transmission Controller
737-01 - DECTransmission Control Unit (TCU) or main vehicle ECUTransmission C4 clutch solenoid electrical circuit fault voltage lowFull repair manual for code 737-01 - DEC, Transmission Control Unit (TCU) or main vehicle ECU
737-03 - DECTransmission Control Unit (TCU)Transmission Range Clutch C4 Solenoid - Voltage above normal, or shorted to high sourceFull repair manual for code 737-03 - DEC, Transmission Control Unit (TCU)
737-04 - DECTransmission Control Module (TCU)Transmission C4 clutch solenoid electrical circuit fault voltage below normal.Full repair manual for code 737-04 - DEC, Transmission Control Module (TCU)
737-05 - DECTransmission Control Unit (TCU)Transmission C4 clutch solenoid circuit current below normalFull repair manual for code 737-05 - DEC, Transmission Control Unit (TCU)
737-06 - DECDECTransmission C4 clutch solenoid electrical circuit fault current above normalFull repair manual for code 737-06 - DEC, DEC
737-13 - DECTransmission Control Unit (TCU)Transmission C4 clutch solenoid out of calibrationFull repair manual for code 737-13 - DEC, Transmission Control Unit (TCU)
737-16 - DECTransmission Control Unit (TCU) / Transmission ControllerTransmission C4 clutch solenoid electrical circuit (voltage low)Full repair manual for code 737-16 - DEC, Transmission Control Unit (TCU) / Transmission Controller
737-17 - DECTransmission Controller (TCU)Transmission Range Clutch C4 Solenoid - Data valid but below normal operating range (Least severe level)Full repair manual for code 737-17 - DEC, Transmission Controller (TCU)
737-18 - DECTransmission Control Unit (TCU)Transmission C4 clutch solenoid minimum quick fill calibration time limit exceededFull repair manual for code 737-18 - DEC, Transmission Control Unit (TCU)