Case IH fault codes & repair guides
All 9,847 codes· 50 per page · page 166 of 197
| Code | Controller | Issue summary | Repair manual |
|---|---|---|---|
| DCU19325 | — | Urea Temperature in Tank Out of Range | Full repair manual for code DCU19325 |
| DCU19336 | — | Pump module - Internal heating - Open circuit | Full repair manual for code DCU19336 |
| DCU19337 | — | Reagent Back-Flow Tube Heating Circuit Open | Full repair manual for code DCU19337 |
| DCU19352 | — | Reverting Valve (4-2way Valve?) Mechanically Faulted | Full repair manual for code DCU19352 |
| DCU19361 | — | High Battery Voltage Detected | Full repair manual for code DCU19361 |
| DCU19362 | — | Battery Voltage Above Upper Limit | Full repair manual for code DCU19362 |
| DCU19370 | — | UREA pressure too low during commissioning | Full repair manual for code DCU19370 |
| DCU19379 | — | UREA Temperature too low during commissioning | Full repair manual for code DCU19379 |
| DCU19415 | — | Empty Urea Tank | Full repair manual for code DCU19415 |
| DCU19532 | — | Back flow line clogged | Full repair manual for code DCU19532 |
| DCU19541 | — | Coolant Control Valve Mechanically Blocked Closed | Full repair manual for code DCU19541 |
| DCU19550 | — | Pressure line blocked | Full repair manual for code DCU19550 |
| DCU19559 | — | Low UREA Level Warning | Full repair manual for code DCU19559 |
| DCU19568 | — | Low UREA Level Warning | Full repair manual for code DCU19568 |
| DCU19579 | — | CAN Communication Link Timeout | Full repair manual for code DCU19579 |
| DCU19580 | — | CAN Communication Error with Multiple Messages | Full repair manual for code DCU19580 |
| DCU19581 | — | CAN Receive Signal Error | Full repair manual for code DCU19581 |
| DCU19595 | — | Engine Torque Not in Range | Full repair manual for code DCU19595 |
| DCU19596 | — | CAN Receive Signal: Engine Speed Not in Range | Full repair manual for code DCU19596 |
| DCU19598 | — | CAN Communication Error with EEC1 Frame | Full repair manual for code DCU19598 |
| DCU19599 | — | CAN Receive Signal: Torque Driver Demand Not in Range | Full repair manual for code DCU19599 |
| DCU19604 | — | CAN Receive Signal: Oil Temperature Not in Range | Full repair manual for code DCU19604 |
| DCU19606 | — | CAN Communication Error Related to Engine Temperature Data | Full repair manual for code DCU19606 |
| DCU19607 | — | CAN Receive Signal Error for Oil and Water Temperature | Full repair manual for code DCU19607 |
| DCU19649 | — | UREA Tank Level Error | Full repair manual for code DCU19649 |
| DCU19650 | — | UREA Tank Level Error | Full repair manual for code DCU19650 |
| DCU19651 | — | UREA Tank Level Error | Full repair manual for code DCU19651 |
| DCU19676 | — | Ambient Temperature Signal Not in Range | Full repair manual for code DCU19676 |
| DCU19677 | — | Ambient Temperature Signal Not Available | Full repair manual for code DCU19677 |
| DCU19678 | — | Ambient Temperature Signal Error | Full repair manual for code DCU19678 |
| DCU19679 | — | Ambient Temperature Signal Not in Range | Full repair manual for code DCU19679 |
| DCU19739 | — | Main Relay Opens Too Early or Too Late | Full repair manual for code DCU19739 |
| DCU19741 | — | Main Relay Opens Too Early or Too Late | Full repair manual for code DCU19741 |
| DCU19742 | — | Main Relay Opens Too Early or Too Late | Full repair manual for code DCU19742 |
| DCU19748 | — | Too High UREA Temperature in Pump Module or Leakage Test Failed | Full repair manual for code DCU19748 |
| DCU19749 | — | Urea Temperature Too High or Urea Leakage Detected | Full repair manual for code DCU19749 |
| DCU19757 | — | Reagent-pump - Not delivering | Full repair manual for code DCU19757 |
| DCU19766 | — | Air Control Group Error P20A7 | Full repair manual for code DCU19766 |
| DCU19775 | — | Catalyst Temperature Sensor Plausibility Error | Full repair manual for code DCU19775 |
| DCU19793 | — | UREA Tank Empty Error | Full repair manual for code DCU19793 |
| E | Electronic Hitch Control (EHC) module | Too high battery voltage | Full repair manual for code E, Electronic Hitch Control (EHC) module |
| E0414-02 | — | Cylinder 1 Data Incorrect | Full repair manual for code E0414-02 |
| E0414-03 | — | Cylinder 1 Short to High Source | Full repair manual for code E0414-03 |
| E0414-04 | — | Cylinder 1 Short to Low Source | Full repair manual for code E0414-04 |
| E0415-02 | — | Cylinder 4 Data Incorrect | Full repair manual for code E0415-02 |
| E0415-03 | — | Cylinder 4 Short to High Source | Full repair manual for code E0415-03 |
| E0415-04 | — | Cylinder 4 Short to Low Source | Full repair manual for code E0415-04 |
| E0416-02 | — | Cylinder 2 Data Incorrect | Full repair manual for code E0416-02 |
| E0416-03 | — | Cylinder 2 Short to High Source | Full repair manual for code E0416-03 |
| E0416-04 | — | Cylinder 2 Short to Low Source | Full repair manual for code E0416-04 |
