Case IH fault codes & repair guides
All 9,847 codes· 50 per page · page 15 of 197
| Code | Controller | Issue summary | Repair manual |
|---|---|---|---|
| 703-02 - ACM | ACM | Configurable switch 3 circuit fault | Full repair manual for code 703-02 - ACM, ACM |
| 704-02 - ACM | ACM | Configurable switch 4 circuit fault | Full repair manual for code 704-02 - ACM, ACM |
| 706-02 - ACM | ACM | Configurable switch 6 circuit fault | Full repair manual for code 706-02 - ACM, ACM |
| 708-02 - ACM | ACM | Auxiliary I/O #08 (Configurable Switch 8) - Erratic, Intermittent, or Incorrect | Full repair manual for code 708-02 - ACM, ACM |
| 708-09 - ACM | ACM | Throttle keypad disconnected while powered on | Full repair manual for code 708-09 - ACM, ACM |
| 708-14 - ACM | ACM | Throttle keypad configuration | Full repair manual for code 708-14 - ACM, ACM |
| 708-19 - ACM | ACM | Throttle keypad disconnected | Full repair manual for code 708-19 - ACM, ACM |
| 709-02 - ACM | ACM | Configurable switch 9 circuit fault | Full repair manual for code 709-02 - ACM, ACM |
| 731 | Engine Control Module (ECM) | Engine Speed / Position #2 -- Mechanical misalignment | Full repair manual for code 731, Engine Control Module (ECM) |
| 734-00 - DEC | DEC | Transmission C1 clutch solenoid maximum calibration current limit exceeded | Full repair manual for code 734-00 - DEC, DEC |
| 734-01 - DEC | Transmission Controller (TCU) | Transmission C1 clutch solenoid electrical circuit fault voltage low | Full repair manual for code 734-01 - DEC, Transmission Controller (TCU) |
| 734-03 - DEC | Transmission Control Unit (TCU) or Electronic Control Module (ECM) | Transmission C1 clutch solenoid electrical circuit fault voltage above normal | Full repair manual for code 734-03 - DEC, Transmission Control Unit (TCU) or Electronic Control Module (ECM) |
| 734-04 - DEC | Transmission Control Unit (TCU) | Transmission Range Clutch C1 Solenoid - Voltage Below Normal, or Shorted to Low Source | Full repair manual for code 734-04 - DEC, Transmission Control Unit (TCU) |
| 734-05 - DEC | Transmission Control Unit (TCU) or Electronic Control Unit (ECU) | Transmission Range Clutch C1 Solenoid - Current below normal or open circuit | Full repair manual for code 734-05 - DEC, Transmission Control Unit (TCU) or Electronic Control Unit (ECU) |
| 734-06 - DEC | Transmission Control Unit (TCU) or Electronic Control Module (ECM) | Transmission C1 clutch solenoid - Current above normal or grounded circuit | Full repair manual for code 734-06 - DEC, Transmission Control Unit (TCU) or Electronic Control Module (ECM) |
| 734-07 - DEC | Transmission Controller | Transmission C1 clutch solenoid failure | Full repair manual for code 734-07 - DEC, Transmission Controller |
| 734-13 - DEC | Transmission Control Unit (TCU) or Vehicle Control Unit (VCU) | Transmission Range Clutch C1 Solenoid - Out of Calibration | Full repair manual for code 734-13 - DEC, Transmission Control Unit (TCU) or Vehicle Control Unit (VCU) |
| 734-16 - DEC | Transmission Control Unit (TCU) | Transmission C1 clutch solenoid electrical circuit fault voltage high | Full repair manual for code 734-16 - DEC, Transmission Control Unit (TCU) |
| 734-17 - DEC | Transmission Controller (TCU) or UCM (User Control Module) | Transmission C1 clutch solenoid minimum calibration current limit exceeded | Full repair manual for code 734-17 - DEC, Transmission Controller (TCU) or UCM (User Control Module) |
| 734-18 - DEC | Transmission Control Unit (TCU) / Transmission ECU | Transmission C1 clutch solenoid minimum quick fill calibration time limit exceeded | Full repair manual for code 734-18 - DEC, Transmission Control Unit (TCU) / Transmission ECU |
| 735-00 - DEC | Transmission Controller / TCU | Transmission C2 clutch solenoid maximum calibration current limit exceeded | Full repair manual for code 735-00 - DEC, Transmission Controller / TCU |
| 735-01 - DEC | Transmission Control Unit (TCU) or Transmission ECU | Transmission Range Clutch C2 Solenoid electrical circuit fault, voltage low | Full repair manual for code 735-01 - DEC, Transmission Control Unit (TCU) or Transmission ECU |
| 735-03 - DEC | Transmission Control Unit (TCU) or Electronic Control Module (ECM) | Transmission C2 clutch solenoid electrical circuit fault voltage above normal | Full repair manual for code 735-03 - DEC, Transmission Control Unit (TCU) or Electronic Control Module (ECM) |
| 735-04 - DEC | DEC (Drivetrain Electronic Control) | Transmission Range Clutch C2 Solenoid Voltage Below Normal, or Shorted to Low Source | Full repair manual for code 735-04 - DEC, DEC (Drivetrain Electronic Control) |
| 735-05 - DEC | Transmission Control Unit (TCU) | Transmission C2 clutch solenoid valve current is low | Full repair manual for code 735-05 - DEC, Transmission Control Unit (TCU) |
| 735-06 - DEC | DEC | Transmission Range Clutch C2 Solenoid Current above normal or closed circuit (shorted to ground) | Full repair manual for code 735-06 - DEC, DEC |
| 735-13 - DEC | Transmission Control Unit (TCU) / Transmission Controller | Transmission C2 clutch solenoid out of calibration | Full repair manual for code 735-13 - DEC, Transmission Control Unit (TCU) / Transmission Controller |
| 735-16 - DEC | Transmission Control Unit (TCU) / Drivetrain Electronic Controller (DEC) | Transmission C2 clutch solenoid electrical circuit fault voltage high | Full repair manual for code 735-16 - DEC, Transmission Control Unit (TCU) / Drivetrain Electronic Controller (DEC) |
| 735-17 - DEC | Transmission Control Unit (TCU) or main vehicle ECU | Transmission Range Clutch C2 Solenoid - Minimum calibration current limit exceeded | Full repair manual for code 735-17 - DEC, Transmission Control Unit (TCU) or main vehicle ECU |
| 735-18 - DEC | TCU | Transmission C2 clutch solenoid minimum quick fill calibration time limit exceeded | Full repair manual for code 735-18 - DEC, TCU |
| 736-00 - DEC | Transmission Controller | Transmission C3 clutch solenoid maximum calibration current limit exceeded | Full repair manual for code 736-00 - DEC, Transmission Controller |
| 736-01 - DEC | Transmission Controller (TCU) | Transmission C3 clutch solenoid electrical circuit fault voltage low | Full repair manual for code 736-01 - DEC, Transmission Controller (TCU) |
| 736-03 - DEC | DEC | Transmission C3 clutch solenoid electrical circuit fault voltage above normal | Full repair manual for code 736-03 - DEC, DEC |
| 736-04 - DEC | Transmission Control Unit (TCU) | Transmission C3 clutch solenoid electrical circuit fault voltage below normal | Full repair manual for code 736-04 - DEC, Transmission Control Unit (TCU) |
| 736-05 - DEC | DEC | Transmission Range Clutch C3 Solenoid - Current below normal or open circuit | Full repair manual for code 736-05 - DEC, DEC |
| 736-06 - DEC | Transmission Control Unit (TCU) | Transmission Range Clutch C3 Solenoid - Current above normal or shorted to ground | Full repair manual for code 736-06 - DEC, Transmission Control Unit (TCU) |
| 736-13 - DEC | Transmission Control Unit (TCU) | Transmission C3 clutch solenoid out of calibration | Full repair manual for code 736-13 - DEC, Transmission Control Unit (TCU) |
| 736-16 - DEC | Transmission Control Unit (TCU) or Vehicle Control Unit (VCU) | Transmission C3 clutch solenoid electrical circuit fault voltage high | Full repair manual for code 736-16 - DEC, Transmission Control Unit (TCU) or Vehicle Control Unit (VCU) |
| 736-17 - DEC | Transmission Control Module (TCU / Transmission Controller) | Transmission C3 clutch solenoid minimum calibration current limit exceeded | Full repair manual for code 736-17 - DEC, Transmission Control Module (TCU / Transmission Controller) |
| 736-18 - DEC | Transmission Control Unit (TCU) | Transmission C3 clutch solenoid minimum quick fill calibration time limit was exceeded | Full repair manual for code 736-18 - DEC, Transmission Control Unit (TCU) |
| 737-00 - DEC | Transmission Control Unit (TCU) / Transmission Controller | Transmission C4 clutch solenoid maximum calibration current limit exceeded | Full repair manual for code 737-00 - DEC, Transmission Control Unit (TCU) / Transmission Controller |
| 737-01 - DEC | Transmission Control Unit (TCU) or main vehicle ECU | Transmission C4 clutch solenoid electrical circuit fault voltage low | Full repair manual for code 737-01 - DEC, Transmission Control Unit (TCU) or main vehicle ECU |
| 737-03 - DEC | Transmission Control Unit (TCU) | Transmission Range Clutch C4 Solenoid - Voltage above normal, or shorted to high source | Full repair manual for code 737-03 - DEC, Transmission Control Unit (TCU) |
| 737-04 - DEC | Transmission 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 - DEC | Transmission Control Unit (TCU) | Transmission C4 clutch solenoid circuit current below normal | Full repair manual for code 737-05 - DEC, Transmission Control Unit (TCU) |
| 737-06 - DEC | DEC | Transmission C4 clutch solenoid electrical circuit fault current above normal | Full repair manual for code 737-06 - DEC, DEC |
| 737-13 - DEC | Transmission Control Unit (TCU) | Transmission C4 clutch solenoid out of calibration | Full repair manual for code 737-13 - DEC, Transmission Control Unit (TCU) |
| 737-16 - DEC | Transmission Control Unit (TCU) / Transmission Controller | Transmission C4 clutch solenoid electrical circuit (voltage low) | Full repair manual for code 737-16 - DEC, Transmission Control Unit (TCU) / Transmission Controller |
| 737-17 - DEC | Transmission 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 - DEC | Transmission Control Unit (TCU) | Transmission C4 clutch solenoid minimum quick fill calibration time limit exceeded | Full repair manual for code 737-18 - DEC, Transmission Control Unit (TCU) |