Case IH fault codes & repair guides
All 9,847 codes· 50 per page · page 119 of 197
| Code | Controller | Issue summary | Repair manual |
|---|---|---|---|
| 19013 | Engine ECU | NH3 sensor open or short in temperature cell circuit | Full repair manual for code 19013, Engine ECU |
| 19014 | Engine Control Unit (ECU) / Engine Control Module (ECM) | NH3 sensor open or short in trim resistor circuit | Full repair manual for code 19014, Engine Control Unit (ECU) / Engine Control Module (ECM) |
| 19014 (DTC EBDE) - ECU | Engine ECU (ECM) | NH3 sensor open or short in trim resistor circuit | Full repair manual for code 19014 (DTC EBDE) - ECU, Engine ECU (ECM) |
| 19015 | Engine Control Unit (ECU) | NH3 sensor heater control failure | Full repair manual for code 19015, Engine Control Unit (ECU) |
| 19015 (DTC 4CDE) - ECU | Engine Control Unit (ECU) / Aftertreatment Control Module | NH3 sensor heater control failure | Full repair manual for code 19015 (DTC 4CDE) - ECU, Engine Control Unit (ECU) / Aftertreatment Control Module |
| 19016 | Dosing Control Unit (DCU) or Engine Control Unit (ECU) | NH3 sensor heater performance failure | Full repair manual for code 19016, Dosing Control Unit (DCU) or Engine Control Unit (ECU) |
| 19016 (DTC 37EE) - ECU | Engine Control Unit (ECU / EDC) | NH3 sensor heater performance failure | Full repair manual for code 19016 (DTC 37EE) - ECU, Engine Control Unit (ECU / EDC) |
| 19017 (DTC 38EE) | Engine Control Unit (ECU) | NH3 sensor signal out of range failure | Full repair manual for code 19017 (DTC 38EE), Engine Control Unit (ECU) |
| 19017 | Engine Control Unit (ECU / EDC) and NH3 sensor controller | NH3 sensor signal out of range failure | Full repair manual for code 19017, Engine Control Unit (ECU / EDC) and NH3 sensor controller |
| 19018 | Engine Control Unit (ECU) | NH3 sensor power supply failure | Full repair manual for code 19018, Engine Control Unit (ECU) |
| 19019 | DCU (Dosing Control Unit) | Temperature sensor before catalyst (electrical) – signal high | Full repair manual for code 19019, DCU (Dosing Control Unit) |
| 19019 (F-4360-03) - ECU | DCU (Dosing Control Unit) / Engine ECU | Upstream SCR catalyst temperature sensor voltage is higher than expected | Full repair manual for code 19019 (F-4360-03) - ECU, DCU (Dosing Control Unit) / Engine ECU |
| 19019 (DTC 1A1A) - ECU | DCU (Dosing Control Unit) or Engine ECU (ENG) | Upstream SCR catalyst temperature sensor voltage is higher than expected | Full repair manual for code 19019 (DTC 1A1A) - ECU, DCU (Dosing Control Unit) or Engine ECU (ENG) |
| 19020 | DCU (Dosing Control Unit) | Temperature sensor before catalyst (electrical) | signal low | Catalyst Temperature Sensor Circuit Low | Full repair manual for code 19020, DCU (Dosing Control Unit) |
| 19020 (DTC 2B1A) - ECU | DCU (Dosing Control Unit) | Upstream SCR catalyst temperature sensor voltage is lower than expected | Full repair manual for code 19020 (DTC 2B1A) - ECU, DCU (Dosing Control Unit) |
| 19020 (F-4360-04) - ECU | Engine ECU or DCU | Upstream SCR catalyst temperature sensor voltage is lower than expected | Full repair manual for code 19020 (F-4360-04) - ECU, Engine ECU or DCU |
| 19021 | DCU (Dosing Control Unit / DeNOx Module) | Temperature sensor before catalyst (electrical) – signal high – signal above high error threshold | Full repair manual for code 19021, DCU (Dosing Control Unit / DeNOx Module) |
| 19022 | DCU (Dosing Control Unit) | Temperature sensor before catalyst (electrical) — signal below low error threshold (or signal low) | Full repair manual for code 19022, DCU (Dosing Control Unit) |
| 19023 | Engine Control Module (ECM) | NH3 sensor controller failure | Full repair manual for code 19023, Engine Control Module (ECM) |
| 19023 (DTC 4EDE) - ECU | Engine Control Unit (ECU) | NH3 sensor controller failure | Full repair manual for code 19023 (DTC 4EDE) - ECU, Engine Control Unit (ECU) |
| 19024 (DTC 92EE) - ECU | Engine Control Unit (ECU) | CAN timeout error from NH3 sensor - NH3Sens message | Full repair manual for code 19024 (DTC 92EE) - ECU, Engine Control Unit (ECU) |
| 19025 | Engine Control Module (ECM) / Dosing Control Unit (DCU) | NH3 slip detected | Full repair manual for code 19025, Engine Control Module (ECM) / Dosing Control Unit (DCU) |
| 19026 (F-518694-11) - ECU | Engine Control Unit (ECU) | Exhaust flap sticking or internal failure | Full repair manual for code 19026 (F-518694-11) - ECU, Engine Control Unit (ECU) |
| 19027 (F-518694-12) - ECU | Engine Control Module (ECM) | Exhaust flap actuator supply voltage out of range | Full repair manual for code 19027 (F-518694-12) - ECU, Engine Control Module (ECM) |
| 19027 (DTC 329C) - ECU | Engine Control Unit (ECU) | Exhaust flap actuator supply voltage is out of range | Full repair manual for code 19027 (DTC 329C) - ECU, Engine Control Unit (ECU) |
| 19027 | Engine Control Unit (ECU) or Aftertreatment Control Module (ACM) | Exhaust flap actuator supply voltage out of range | Full repair manual for code 19027, Engine Control Unit (ECU) or Aftertreatment Control Module (ACM) |
| 19030 | Engine Control Unit (ECU) | Exhaust flap increased friction or high mechanical load or flap sticking | Full repair manual for code 19030, Engine Control Unit (ECU) |
| 19030 (DTC 439C) - ECU | Engine Control Unit (EDC / ECU) | Exhaust flap increased friction or high mechanical load or flap sticking | Full repair manual for code 19030 (DTC 439C) - ECU, Engine Control Unit (EDC / ECU) |
| 19031 | Engine Control Unit (ECU) | Exhaust Flap actuator: Feedback position positive deviation too high | Full repair manual for code 19031, Engine Control Unit (ECU) |
| 19032 | Engine Control Module (ECM) / EDC (Electronic Diesel Control) | Exhaust Flap actuator: Feedback position negative deviation too high | Full repair manual for code 19032, Engine Control Module (ECM) / EDC (Electronic Diesel Control) |
| 19033 (DTC 469C) - ECU | Engine Control Unit (ECU) | Exhaust flap stuck during power up test. | Full repair manual for code 19033 (DTC 469C) - ECU, Engine Control Unit (ECU) |
| 19033 (F-518695-14) - ECU | Engine ECU | Exhaust flap stuck during power up test | Full repair manual for code 19033 (F-518695-14) - ECU, Engine ECU |
| 19034 (F-518698-31) - ECU | Engine Control Unit (ECU) | Exhaust flap actuator is over temperature | Full repair manual for code 19034 (F-518698-31) - ECU, Engine Control Unit (ECU) |
| 19034 (DTC 879C) - ECU | Engine Control Unit (ECU / EDC) | Exhaust flap actuator is over temperature. | Full repair manual for code 19034 (DTC 879C) - ECU, Engine Control Unit (ECU / EDC) |
| 19034 | Engine ECU | Exhaust flap actuator is over temperature | Full repair manual for code 19034, Engine ECU |
| 19035 (F-518694-09) - ECU | Engine Control Unit (ECU) | CAN timeout error from exhaust flap actuator | Full repair manual for code 19035 (F-518694-09) - ECU, Engine Control Unit (ECU) |
| 19035 | Vehicle Controller / Engine Control Unit (ECU) | CAN timeout error from exhaust flap actuator | Full repair manual for code 19035, Vehicle Controller / Engine Control Unit (ECU) |
| 19036 | Engine Control Unit (ECU) | SCR downstream temperature sensor signal drift at cold start | Full repair manual for code 19036, Engine Control Unit (ECU) |
| 19037 | DCU (Dosing Control Unit) | Sensor supply 2 (5V internal; for UREA pressure sensors) — Supply Voltage too high / P204D Reagent-pressure sensor-short circuit high. | Full repair manual for code 19037, DCU (Dosing Control Unit) |
| 19038 | DCU (Dosing Control Unit) | Sensor supply 2 (5V internal; for UREA pressure sensors) | Supply voltage too low | P204C Reagent - pressure sensor - short circuit low. | Full repair manual for code 19038, DCU (Dosing Control Unit) |
| 19039 | Engine Control Unit (ECU) / Aftertreatment Control Module | Exhaust gas temperature sensors signal drift at cold start only. Upstream oxidation catalyst temperature sensor comparison to a calculated temperature value failure. | Full repair manual for code 19039, Engine Control Unit (ECU) / Aftertreatment Control Module |
| 19039 (F-5318-02) - ECU | Engine ECU / Aftertreatment Control Module | Exhaust gas temperature sensors signal drift at cold start only | Full repair manual for code 19039 (F-5318-02) - ECU, Engine ECU / Aftertreatment Control Module |
| 19040 | Engine Control Module (ECM) | Upstream Oxidation Catalyst Temperature Sensor Comparison to a Calculated Temperature Value Failure | Full repair manual for code 19040, Engine Control Module (ECM) |
| 19040 (DTC 352C) - ECU | Engine Control Unit (ECU) | Upstream oxidation catalyst temperature sensor comparison to a calculated temperature value failure | Full repair manual for code 19040 (DTC 352C) - ECU, Engine Control Unit (ECU) |
| 19041 (F-3242-31) - ECU | Engine Control Module (ECM) | Upstream SCR temperature sensor comparison to a calculated temperature value failure | Full repair manual for code 19041 (F-3242-31) - ECU, Engine Control Module (ECM) |
| 19041 | Engine Control Unit (ECU) | Upstream SCR temperature sensor comparison to a calculated temperature value failure. | Full repair manual for code 19041, Engine Control Unit (ECU) |
| 19041 (DTC 362C) - ECU | Engine ECU | Upstream SCR temperature sensor comparison to a calculated temperature value failure | Full repair manual for code 19041 (DTC 362C) - ECU, Engine ECU |
| 19042 | Engine Control Module (ECM) / Engine ECU | Downstream SCR temperature sensor comparison to a calculated temperature value failure | Full repair manual for code 19042, Engine Control Module (ECM) / Engine ECU |
| 19042 (F-4360-02) | Engine Control Unit (ECU) | Downstream SCR temperature sensor comparison to a calculated temperature value failure. | Full repair manual for code 19042 (F-4360-02), Engine Control Unit (ECU) |
| 19042 (DTC 372C) - ECU | Engine ECU | Downstream SCR temperature sensor comparison to a calculated temperature value failure. | Full repair manual for code 19042 (DTC 372C) - ECU, Engine ECU |
