Case IH fault codes & repair guides
All 9,847 codes· 50 per page · page 131 of 197
| Code | Controller | Issue summary | Repair manual |
|---|---|---|---|
| 19520 | Diesel Engine Control Unit (ECU) | Low Temperature Coolant Pump actuator: Open Load error on the output power stage | Full repair manual for code 19520, Diesel Engine Control Unit (ECU) |
| 19522 | Engine Control Unit (ECU) | Low Temperature Coolant Pump actuator - Short circuit to Ground on the output power stage | Full repair manual for code 19522, Engine Control Unit (ECU) |
| 19523 | Engine Control Unit (ECU) | DEF/AdBlue tank temperature failure | Full repair manual for code 19523, Engine Control Unit (ECU) |
| 19524 | Engine Control Unit (ECU) / Engine Control Module (ECM) | DEF/AdBlue temperature sensor voltage is higher than expected. | Full repair manual for code 19524, Engine Control Unit (ECU) / Engine Control Module (ECM) |
| 19525 | Engine Control Module (ECM) or Dosing Control Unit (DCU) / SCR System Controller | DEF/AdBlue temperature sensor voltage is lower than expected. | Full repair manual for code 19525, Engine Control Module (ECM) or Dosing Control Unit (DCU) / SCR System Controller |
| 19525 (DTC 26AA) - ECU | Engine ECU / EDC | DEF/AdBlue temperature sensor voltage is lower than expected | Full repair manual for code 19525 (DTC 26AA) - ECU, Engine ECU / EDC |
| 19526 | Engine Control Unit (ECU) | Short circuit to Ground on the output power stage | Full repair manual for code 19526, Engine Control Unit (ECU) |
| 19527 | Engine Control Module (ECM) / EDC (Electronic Diesel Control) | DPF Lube Oil monitoring: Fuel in oil has exceeded the limit for safe driveability | Full repair manual for code 19527, Engine Control Module (ECM) / EDC (Electronic Diesel Control) |
| 19528 | Engine Control Unit (ECU) / Engine Control Module (ECM) | Misfire detected in cylinder 1 | Full repair manual for code 19528, Engine Control Unit (ECU) / Engine Control Module (ECM) |
| 19529 | Engine Control Module (ECM) / Engine ECU | Misfire detected in cylinder 4 | Full repair manual for code 19529, Engine Control Module (ECM) / Engine ECU |
| 19530 | Engine Control Module (ECM) | Misfire detected in cylinder 2 | Full repair manual for code 19530, Engine Control Module (ECM) |
| 19531 | Engine Control Module (ECM) / Engine Control Unit (ECU) | Misfire detected in cylinder 6 | Full repair manual for code 19531, Engine Control Module (ECM) / Engine Control Unit (ECU) |
| 19532 | DCU (Dosing Control Unit) | Back flow line clogged | P2063 Reagent -dosing valve -short circuit low | Full repair manual for code 19532, DCU (Dosing Control Unit) |
| 19532 | DCU (Dosing Control Unit) or Engine ECU (EDC) | DEF/AdBlue pressure did not drop when system was evacuated or Back flow line clogged / Reagent dosing valve - short circuit low | Full repair manual for code 19532, DCU (Dosing Control Unit) or Engine ECU (EDC) |
| 19532 (DTC 374A) - ECU | DCU or Engine ECU (EDC) | DEF/AdBlue pressure did not drop when system was evacuated / Back flow line is clogged | Full repair manual for code 19532 (DTC 374A) - ECU, DCU or Engine ECU (EDC) |
| 19534 | Engine Control Module (ECM) | Misfire detected in cylinder 5 | Full repair manual for code 19534, Engine Control Module (ECM) |
| 19535 | Engine Control Module (ECM) | ECM Internal: Too high injector energizing time during Over Run | Full repair manual for code 19535, Engine Control Module (ECM) |
| 19536 | Engine Control Module (ECM) or SCR/Denoxtronic Aftertreatment Control Module | Power supply monitoring for the NOx sensor | Full repair manual for code 19536, Engine Control Module (ECM) or SCR/Denoxtronic Aftertreatment Control Module |
| 19537 | Engine Control Module (ECM) or Vehicle Control Module (VCM) | NOx sensor plausibility check with other sensors | Full repair manual for code 19537, Engine Control Module (ECM) or Vehicle Control Module (VCM) |
| 19538 | — | NOx feedback fault detection | Full repair manual for code 19538 |
| 19539 | Engine Control Module (ECM) or Vehicle Control Module (VCM) / Denoxitronic Control Unit (DCU15) | Offset Min/Max error detection for NOx extended Offset value | Full repair manual for code 19539, Engine Control Module (ECM) or Vehicle Control Module (VCM) / Denoxitronic Control Unit (DCU15) |
| 19540 | Engine Control Module (ECM) / Vehicle Control Module (VCM) / EDC | Offset Max error detection based on the NOx Offset value | Full repair manual for code 19540, Engine Control Module (ECM) / Vehicle Control Module (VCM) / EDC |
| 19541 | DCU | Coolant control valve mechanically | Blocked closed | P20A1 Vent valve test plausibility test (startup) | Full repair manual for code 19541, DCU |
| 19541 | DCU (Dosing Control Unit) | DEF/AdBlue pressure did not drop when the dosing valve was open | Full repair manual for code 19541, DCU (Dosing Control Unit) |
| 19541 (F-4334-14) | DCU (Dosing Control Unit) or Engine ECU | DEF Dosing Valve Blockage or Coolant Control Valve Blocked Closed | Full repair manual for code 19541 (F-4334-14), DCU (Dosing Control Unit) or Engine ECU |
| 19542 | VCM (Vehicle Control Module) | Offset Min error detection based on the NOx Offset value | Full repair manual for code 19542, VCM (Vehicle Control Module) |
| 19543 | Engine Control Unit (ECU) | NOx offset max error detection | Full repair manual for code 19543, Engine Control Unit (ECU) |
| 19544 | Engine Control Unit (ECU) / Aftertreatment System ECU | NOx offset min error detection | Full repair manual for code 19544, Engine Control Unit (ECU) / Aftertreatment System ECU |
| 19545 | Engine Control Module (ECM / ECU) | Plausibility error during Rich to Lean switch over | Full repair manual for code 19545, Engine Control Module (ECM / ECU) |
| 19546 | Engine Control Module (ECM) or Dosing Control Unit (DCU) | Monitoring of NOx signal readiness | Full repair manual for code 19546, Engine Control Module (ECM) or Dosing Control Unit (DCU) |
| 19547 | Engine Control Module (ECM) or Dosing Control Unit (DCU) / Vehicle Control Module (VCM) | SRC Max error for the NOx signal | Full repair manual for code 19547, Engine Control Module (ECM) or Dosing Control Unit (DCU) / Vehicle Control Module (VCM) |
| 19548 | Engine Control Module (ECM) / Engine ECU | SRC Min error for the NOx signal | Full repair manual for code 19548, Engine Control Module (ECM) / Engine ECU |
| 19549 | Engine Control Module (ECM) or Dosing Control Unit (DCU) | Open circuit error for the NOx signal | Full repair manual for code 19549, Engine Control Module (ECM) or Dosing Control Unit (DCU) |
| 19550 | DCU (Dosing Control Unit) | Pressure line blocked / Reagent dosing nozzle pressure too high / Discharge line obstruction | Full repair manual for code 19550, DCU (Dosing Control Unit) |
| 19550 (DTC 4B8A) - ECU | ECU | DEF/AdBlue system unable to build sufficient pressure for dosing | Full repair manual for code 19550 (DTC 4B8A) - ECU, ECU |
| 19551 | Engine Control Module (ECM) or Dosing Control Unit (DCU) | Short circuit error for the NOx signal | Full repair manual for code 19551, Engine Control Module (ECM) or Dosing Control Unit (DCU) |
| 19552 | Engine Control Module (ECM) | Crankcase Pressure Sensor 2 (in blow by hose) Value exceeded Tolerance Limit | Full repair manual for code 19552, Engine Control Module (ECM) |
| 19553 | Engine Control Unit (ECU / EDC) or SCR Dosing Control Unit (DCU) | Power supply monitoring for the NOx sensor | Full repair manual for code 19553, Engine Control Unit (ECU / EDC) or SCR Dosing Control Unit (DCU) |
| 19554 | Engine Control Unit (ECU) or Vehicle Control Module (VCM) | NOx sensor plausibility check with other sensors | Full repair manual for code 19554, Engine Control Unit (ECU) or Vehicle Control Module (VCM) |
| 19555 | Engine Control Module (ECM) or Vehicle Control Module (VCM) | Dynamic Monitoring of the NOx sensor | Full repair manual for code 19555, Engine Control Module (ECM) or Vehicle Control Module (VCM) |
| 19556 | Engine Control Module (ECM) | Updating DIUMPR - OBD requirement | Full repair manual for code 19556, Engine Control Module (ECM) |
| 19557 | Engine Control Module (ECM) / Engine ECU | NOx feed back fault detection | Full repair manual for code 19557, Engine Control Module (ECM) / Engine ECU |
| 19558 | Engine Control Module (ECM / EDC) or Aftertreatment Control Module (ACM) | SRC Max error for the binary lambda signal | Full repair manual for code 19558, Engine Control Module (ECM / EDC) or Aftertreatment Control Module (ACM) |
| 19559 | DCU (Dosing Control Unit) | Low UREA level 1 (warning) - UREA level below Limit 1 - P203F Reagent - fluid level in tank - too low | Full repair manual for code 19559, DCU (Dosing Control Unit) |
| 19559 (DTC F18F) - ECU | DCU (Dosing Control Unit) | DEF/AdBlue level too low warning is active - Stage 1 | Full repair manual for code 19559 (DTC F18F) - ECU, DCU (Dosing Control Unit) |
| 19559 (F-1761-17) | Engine Control Unit (ECU) or Aftertreatment Control Module | DEF/AdBlue level too low warning is active - Stage 1 | Full repair manual for code 19559 (F-1761-17), Engine Control Unit (ECU) or Aftertreatment Control Module |
| 19560 | Engine Control Module (ECM) | SRC Min error for the binary lambda signal | Full repair manual for code 19560, Engine Control Module (ECM) |
| 19561 | Engine Control Module (ECM / ECU) | SRC Max error for the Linear lambda signal | Full repair manual for code 19561, Engine Control Module (ECM / ECU) |
| 19562 | Engine Control Module (ECM) or Vehicle Control Module (VCM) | SRC Min error for the Linear lambda signal | Full repair manual for code 19562, Engine Control Module (ECM) or Vehicle Control Module (VCM) |
| 19563 | Engine Control Module (ECM) / Vehicle Control Module (VCM) / EDC17C49 | Error detection and healing of MAX error of lambda plausibility test | Full repair manual for code 19563, Engine Control Module (ECM) / Vehicle Control Module (VCM) / EDC17C49 |
