Case IH fault codes & repair guides
All 9,847 codes· 50 per page · page 120 of 197
| Code | Controller | Issue summary | Repair manual |
|---|---|---|---|
| 19043 (F-354-04) - ECU | Engine Control Unit (ECU) | Intake air humidity sensor voltage is lower than expected | Full repair manual for code 19043 (F-354-04) - ECU, Engine Control Unit (ECU) |
| 19044 | Engine Control Module (ECM) or Aftertreatment Control Module (ACM) | Timeout of ECM to NOx sensor downstream Dew Point Message | Full repair manual for code 19044, Engine Control Module (ECM) or Aftertreatment Control Module (ACM) |
| 19045 | Engine Control Module (ECM) | Timeout Error of Message from ECM to NOx downstream Sensor | Full repair manual for code 19045, Engine Control Module (ECM) |
| 19045 (DTC 94BE) - ECU | Engine Control Unit (ECU) | Timeout error of message from ECU to NOx downstream sensor | Full repair manual for code 19045 (DTC 94BE) - ECU, Engine Control Unit (ECU) |
| 19046 | DCU (Dosing Control Unit) | UREA pressure sensor in box (electrical) | supply voltage error | P204A Reagent - pressure sensor - open circuit | Full repair manual for code 19046, DCU (Dosing Control Unit) |
| 19047 | DCU (Dosing Control Unit) | UREA pressure sensor in box (electrical) _signal high _P204D Reagent -pressure sensor -short circuit high | Full repair manual for code 19047, DCU (Dosing Control Unit) |
| 19047 (F-4334-03) | DCU (Dosing Control Unit) | DEF/AdBlue supply module pump motor pressure sensor voltage is higher than expected | Full repair manual for code 19047 (F-4334-03), DCU (Dosing Control Unit) |
| 19048 | DCU (Dosing Control Unit) | UREA pressure sensor in box (electrical) | signal low | P204C Reagent - pressure sensor - short circuit low | Full repair manual for code 19048, DCU (Dosing Control Unit) |
| 19048 (F-4334-04) | DCU (Dosing Control Unit) | DEF/AdBlue supply module pump motor pressure sensor voltage is lower than expected. | Full repair manual for code 19048 (F-4334-04), DCU (Dosing Control Unit) |
| 19049 | Engine Control Unit (ECU) or Vehicle Control Module (VCM) | Up and downstream NOx sensors swapped | Full repair manual for code 19049, Engine Control Unit (ECU) or Vehicle Control Module (VCM) |
| 19050 | Engine Control Unit (ECU) | Downstream NOx sensor supply voltage is out of range | Full repair manual for code 19050, Engine Control Unit (ECU) |
| 19050 (DTC 478E) - ECU | Engine Control Unit (ECU) / Engine Management System (EMS) | Downstream NOx sensor supply voltage is out of range. | Full repair manual for code 19050 (DTC 478E) - ECU, Engine Control Unit (ECU) / Engine Management System (EMS) |
| 19050 (F-3226-31) | Engine Control Unit (ECU) / Engine Management System (EMS) / Aftertreatment Control Module (ACM) | Downstream NOx sensor supply voltage is out of range. | Full repair manual for code 19050 (F-3226-31), Engine Control Unit (ECU) / Engine Management System (EMS) / Aftertreatment Control Module (ACM) |
| 19051 (DTC E46E) - ECU | Engine Control Unit (ECU) | Upstream NOx sensor internal failure (Heater Open Circuit Error) | Full repair manual for code 19051 (DTC E46E) - ECU, Engine Control Unit (ECU) |
| 19051 | Engine Control Unit (ECU) / Engine Management System (EMS) | Upstream NOx sensor internal failure (Heater Open Circuit Error) | Full repair manual for code 19051, Engine Control Unit (ECU) / Engine Management System (EMS) |
| 19051 (F-3223-05) | Engine Control Unit (ECU) or Dosing Control Unit (DCU) | Upstream NOx sensor internal failure (Heater Open Circuit Error) | Full repair manual for code 19051 (F-3223-05), Engine Control Unit (ECU) or Dosing Control Unit (DCU) |
| 19052 | Engine Control Unit (ECU) | Upstream NOx sensor internal failure (Heater Short Circuit Error) | Full repair manual for code 19052, Engine Control Unit (ECU) |
| 19052 (F-3223-06) | Engine Control Unit (ECU) / Engine Management System (EMS) | Upstream NOx sensor internal failure (Heater Short Circuit Error) | Full repair manual for code 19052 (F-3223-06), Engine Control Unit (ECU) / Engine Management System (EMS) |
| 19053 (F-3222-12) | Engine Control Unit (ECU) | Upstream NOx sensor internal failure (Heater Performance Plausibility Error) | Full repair manual for code 19053 (F-3222-12), Engine Control Unit (ECU) |
| 19053 (DTC A66E) - ECU | Engine Control Unit (ECU) / Engine Control Module (ECM) | Upstream NOx sensor internal failure (Heater Performance Plausibility Error) | Full repair manual for code 19053 (DTC A66E) - ECU, Engine Control Unit (ECU) / Engine Control Module (ECM) |
| 19054 (F-3224-05) | Engine Control Module (ECM) / Engine ECU | Upstream NOx sensor internal failure (Open Circuit Error) | Full repair manual for code 19054 (F-3224-05), Engine Control Module (ECM) / Engine ECU |
| 19054 | Engine Control Module (ECM) or Dosing Control Unit (DCU) | Upstream NOx sensor internal failure (Open Circuit Error) | Full repair manual for code 19054, Engine Control Module (ECM) or Dosing Control Unit (DCU) |
| 19054 (DTC E48E) - ECU | Engine Control Unit (ECU) / Engine Management System (EMS) | Upstream NOx sensor internal failure (Open Circuit Error) | Full repair manual for code 19054 (DTC E48E) - ECU, Engine Control Unit (ECU) / Engine Management System (EMS) |
| 19055 | DCU (Dosing Control Unit) | UREA Temperature sensor in box (electrical) _high signal _P2045 Reagent -temperature sensor of pump module -short circuit high | Full repair manual for code 19055, DCU (Dosing Control Unit) |
| 19056 | DCU (Dosing Control Unit) | UREA Temperature sensor in box (electrical) | signal low | P2044 Reagent -temperature sensor of pump module -short circuit low | Full repair manual for code 19056, DCU (Dosing Control Unit) |
| 19057 | DCU (Dosing Control Unit) | UREA Temperature sensor in box (electrical) – signal high | Full repair manual for code 19057, DCU (Dosing Control Unit) |
| 19058 | DCU (Dosing Control Unit) | UREA Temperature sensor in box (electrical) – signal low | Full repair manual for code 19058, DCU (Dosing Control Unit) |
| 19059 | Engine Control Unit (ECU) | Upstream NOx sensor internal failure (Short Circuit Error) | Full repair manual for code 19059, Engine Control Unit (ECU) |
| 19059 (F-3224-06) | Engine Control Unit (ECU / ECM) | Upstream NOx sensor internal failure (Short Circuit Error) | Full repair manual for code 19059 (F-3224-06), Engine Control Unit (ECU / ECM) |
| 19060 (DTC 9E6E) - ECU | Electronic Engine Control Unit (ECU) | CAN timeout error from upstream NOx sensor | Full repair manual for code 19060 (DTC 9E6E) - ECU, Electronic Engine Control Unit (ECU) |
| 19060 | Engine ECU | CAN timeout error from upstream NOx sensor | Full repair manual for code 19060, Engine ECU |
| 19061 (DTC 32BE) - ECU | Engine Control Module (ECM) | Upstream NOx sensor lambda signal deviation - NOx sensor possible removal detected. | Full repair manual for code 19061 (DTC 32BE) - ECU, Engine Control Module (ECM) |
| 19061 | Engine Control Unit (ECU) / Engine Management System (EMS) | Upstream NOx sensor lambda signal deviation - NOx sensor possible removal detected. | Full repair manual for code 19061, Engine Control Unit (ECU) / Engine Management System (EMS) |
| 19061 (F-3224-02) | Engine Management System (EMS) or Aftertreatment Control Module (ACM) | Upstream NOx sensor lambda signal deviation - NOx sensor possible removal detected. | Full repair manual for code 19061 (F-3224-02), Engine Management System (EMS) or Aftertreatment Control Module (ACM) |
| 19062 | Engine Control Unit (ECU) | Upstream NOx sensor values are not plausible | Full repair manual for code 19062, Engine Control Unit (ECU) |
| 19063 | Engine Control Module (ECM) / SCR Dosing Control Module | Upstream NOx sensor supply voltage is out of range | Full repair manual for code 19063, Engine Control Module (ECM) / SCR Dosing Control Module |
| 19063 (DTC 4A8E) - ECU | Engine Control Unit (ECU) / Engine Management System (EMS) | Upstream NOx sensor supply voltage is out of range. | Full repair manual for code 19063 (DTC 4A8E) - ECU, Engine Control Unit (ECU) / Engine Management System (EMS) |
| 19063 (F-3216-31) | Engine ECU | Upstream NOx sensor supply voltage is out of range | Full repair manual for code 19063 (F-3216-31), Engine ECU |
| 19064 | DCU | Voltage supply internal heaters 1 (UB1) electrical | Open circuit to UB1 | P20C5 Pump module - Internal heating - open circuit. | Full repair manual for code 19064, DCU |
| 19064 (F-519294-05) - ECU | DCU | Open circuit in the internal heater of the DEF Pump Supply Module | Full repair manual for code 19064 (F-519294-05) - ECU, DCU |
| 19065 | DCU (Dosing Control Unit) | Voltage supply internal heaters 1 (UB1) electrical | Short to bat at UB1 with Key 15 off | P20C8 Pump module - Internal heating - short circuit high | Full repair manual for code 19065, DCU (Dosing Control Unit) |
| 19066 | ECU | Upstream oxidation catalyst temperature sensor voltage is higher than expected. | Full repair manual for code 19066, ECU |
| 19066 (F-4765-03) | Engine Control Module (ECM) or Dosing Control Unit (DCU) / Aftertreatment Control Module | Upstream oxidation catalyst temperature sensor voltage is higher than expected | Full repair manual for code 19066 (F-4765-03), Engine Control Module (ECM) or Dosing Control Unit (DCU) / Aftertreatment Control Module |
| 19066 (DTC 1899) - ECU | Engine Control Unit (ECU) | Upstream oxidation catalyst temperature sensor voltage is higher than expected. | Full repair manual for code 19066 (DTC 1899) - ECU, Engine Control Unit (ECU) |
| 19067 | ECU | Downstream SCR Catalyst Temp High | Full repair manual for code 19067, ECU |
| 19067 (DTC 141A) - ECU | Engine Control Module (ECM) | Downstream SCR catalyst temperature is too high. | Full repair manual for code 19067 (DTC 141A) - ECU, Engine Control Module (ECM) |
| 19068 | Engine Control Unit (ECU) | Downstream SCR catalyst temperature is too low. | Full repair manual for code 19068, Engine Control Unit (ECU) |
| 19069 (DTC 181A) - ECU | Engine Control Unit (ECU) | Upstream SCR catalyst temperature too high | Full repair manual for code 19069 (DTC 181A) - ECU, Engine Control Unit (ECU) |
| 19069 | Engine Control Unit (ECU) / Dosing Control Unit (DCU) | Upstream SCR catalyst temperature too high | Full repair manual for code 19069, Engine Control Unit (ECU) / Dosing Control Unit (DCU) |
| 19070 (DTC 291A) - ECU | Engine Control Unit (ECU) | Upstream SCR catalyst temperature too low | Full repair manual for code 19070 (DTC 291A) - ECU, Engine Control Unit (ECU) |
