New Holland fault codes & repair guides
All 7,052 codes· 50 per page · page 97 of 142
| Code | Controller | Issue summary | Repair manual |
|---|---|---|---|
| ATC 127 | ATC (Automatic Temperature Control) | High pressure switch (-) input shorted to power | Full repair manual for code ATC 127, ATC (Automatic Temperature Control) |
| ATC 128 | ATC (Automatic Temperature Control) module | High pressure switch (-) input shorted to ground. | Full repair manual for code ATC 128, ATC (Automatic Temperature Control) module |
| ATC 129 | ATC (Automatic Temperature Controller) | High pressure cycling error (2 in 1 minute) | Full repair manual for code ATC 129, ATC (Automatic Temperature Controller) |
| ATC 130 | ATC (Automatic Temperature Control) Controller | Low pressure switch (+) input shorted to power | Full repair manual for code ATC 130, ATC (Automatic Temperature Control) Controller |
| ATC 131 | ATC (Automatic Temperature Control) / HVAC Controller | Low pressure switch (+) input shorted to ground. | Full repair manual for code ATC 131, ATC (Automatic Temperature Control) / HVAC Controller |
| ATC 132 | ATC | Low pressure switch (-) input shorted to power | Full repair manual for code ATC 132, ATC |
| ATC 133 | ATC (Automatic Temperature Control) controller | Low pressure switch (-) input is shorted to ground | Full repair manual for code ATC 133, ATC (Automatic Temperature Control) controller |
| ATC 134 | ATC (Automatic Temperature Control) Controller | Low pressure switch open for > 1 minute | Full repair manual for code ATC 134, ATC (Automatic Temperature Control) Controller |
| DCU 18147 | DCU (Dosing Control Unit) | Dosing Valve (electrical) | open load | P2047 Reductant Injector - circuit open | Full repair manual for code DCU 18147, DCU (Dosing Control Unit) |
| DCU 19001 | DCU | Battery voltage sensing (electrical) signal high / Battery voltage evaluation above upper limit | Full repair manual for code DCU 19001, DCU |
| DCU 19002 | DCU (Dosing Control Unit) | Battery voltage sensing (electrical) | signal low | Battery voltage evaluation below lower limit. | Full repair manual for code DCU 19002, DCU (Dosing Control Unit) |
| DCU 19010 | DCU | Temperature sensor after catalyst (electrical) signal high P042D Catalyst Temperature Sensor Circuit High | Full repair manual for code DCU 19010, DCU |
| DCU 19011 | DCU | Temperature sensor after catalyst (electrical) | signal low | Catalyst Temperature Sensor Circuit Low | Full repair manual for code DCU 19011, DCU |
| DCU 19019 | DCU (Dosing Control Unit) | Temperature sensor before catalyst (electrical) — signal high / Catalyst Temperature Sensor Circuit High | Full repair manual for code DCU 19019, DCU (Dosing Control Unit) |
| DCU 19020 | DCU (Dosing Control Unit) | Temperature sensor before catalyst (electrical) | signal low | Full repair manual for code DCU 19020, DCU (Dosing Control Unit) |
| DCU 19037 | DCU (Dosing Control Unit) | Sensor supply 2 (5V internal; for UREA pressure sensors) — Supply Voltage too high | Full repair manual for code DCU 19037, DCU (Dosing Control Unit) |
| DCU 19038 | DCU | Sensor supply 2 (5V internal; for UREA pressure sensors) | Supply voltage too low | Reagent -pressure sensor -short circuit low. | Full repair manual for code DCU 19038, DCU |
| DCU 19046 | DCU | UREA pressure sensor in box (electrical) | supply voltage error | P204A Reagent - pressure sensor - open circuit | Full repair manual for code DCU 19046, DCU |
| DCU 19047 | DCU | UREA pressure sensor in box (electrical) _signal high _P204D Reagent -pressure sensor -short circuit high | Full repair manual for code DCU 19047, DCU |
| DCU 19048 | DCU | UREA pressure sensor in box (electrical) | signal low | P204C Reagent - pressure sensor - short circuit low | Full repair manual for code DCU 19048, DCU |
| DCU 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 DCU 19055, DCU (Dosing Control Unit) |
| DCU 19056 | DCU | UREA Temperature sensor in box (electrical) | signal low | Full repair manual for code DCU 19056, DCU |
| DCU 19064 | DCU (Dosing Control Unit) | Voltage supply internal heaters 1 (UB1) electrical | Open circuit to UB1 | P20C5 Pump module - Internal heating - open circuit. | Full repair manual for code DCU 19064, DCU (Dosing Control Unit) |
| DCU 19065 | DCU | Voltage supply internal heaters 1 (UB1) electrical | Short to bat at UB1 with Key 15 off | Pump module - Internal heating - short circuit high | Full repair manual for code DCU 19065, DCU |
| DCU 19073 | DCU (Dosing Control Unit) | Voltage supply 2 -tube heaters (UB2) electrical | Short to bat at UB2 with Key 15 off | P20C4 Reagent -suction tube heating -short circuit high | Full repair manual for code DCU 19073, DCU (Dosing Control Unit) |
| DCU 19074 | DCU | Voltage supply 2 -tube heaters (UB2) electrical | Open circuit to UB2 | P20C1 Reagent -suction tube heating -open circuit | Full repair manual for code DCU 19074, DCU |
| DCU 19075 | DCU (Dosing Control Unit) | Voltage supply 2 - tube heaters (UB2) electrical | Short circuit to Ground UB2 | P20C3 Reagent - suction tube heating - short circuit low | Full repair manual for code DCU 19075, DCU (Dosing Control Unit) |
| DCU 19082 | DCU | Voltage supply 3 - Coolant control valve and reverting valve (UB3) electrical | Short to bat at UB3 with Key 15 off | Full repair manual for code DCU 19082, DCU |
| DCU 19083 | DCU | Voltage supply 3 - Coolant control valve and reverting valve (UB3) electrical | Open circuit to UB3 | P20A0 Vent valve (Reductant Purge Control Valve) - open circuit | Full repair manual for code DCU 19083, DCU |
| DCU 19084 | DCU (Dosing Control Unit) | Voltage supply 3 - Coolant control valve and reverting valve (UB3) electrical | Short circuit to Ground UB3 | P20A2 Vent valve (Reductant Purge Control Valve) - short circuit low | Full repair manual for code DCU 19084, DCU (Dosing Control Unit) |
| DCU 19091 | DCU | Monitoring VDD11 voltage - Dosing valve | supply voltage low | 12 Volt supply for dosing module - below lower limit. | Full repair manual for code DCU 19091, DCU |
| DCU 19092 | DCU | Monitoring VDD11 voltage - Dosing valve supply voltage high P0659 12 Volt supply for dosing module - above upper limit | Full repair manual for code DCU 19092, DCU |
| DCU 19100 | DCU (Dosing Control Unit) | UREA level sensor (electrical) | supply voltage error | Reductant Level Sensor - Circuit Intermittent/Erratic | Full repair manual for code DCU 19100, DCU (Dosing Control Unit) |
| DCU 19101 | DCU | UREA level sensor (electrical) signal high / Reagent - tank level sensor - short circuit high | Full repair manual for code DCU 19101, DCU |
| DCU 19102 | DCU | UREA level sensor (electrical) | signal low | P203C Reagent -tank level sensor -short circuit low | Full repair manual for code DCU 19102, DCU |
| DCU 19109 | DCU | Short circuit high in UREA (DEF/Reagent) tank temperature sensor | Full repair manual for code DCU 19109, DCU |
| DCU 19110 | DCU (Dosing Control Unit) | UREA Temperature sensor in Tank (electrical) | signal low | Full repair manual for code DCU 19110, DCU (Dosing Control Unit) |
| DCU 19145 | DCU | Dosing Valve (electrical) | short circuit to batt + | Reductant Injector - circuit high | Full repair manual for code DCU 19145, DCU |
| DCU 19146 | DCU | Dosing Valve (electrical) | short circuit to ground | P2048 Reductant Injector - circuit low | Full repair manual for code DCU 19146, DCU |
| DCU 19148 | DCU | Dosing Valve (electrical) | Dosing valve permanent ‘ON’ (detection via fast decay) | Reagent-dosing nozzle pressure too high | Full repair manual for code DCU 19148, DCU |
| DCU 19154 | DCU | UREA Pump speed | pump motor unplugged | P208B Reagent-pump not delivering | Full repair manual for code DCU 19154, DCU |
| DCU 19155 | DCU | UREA Pump speed – pump motor blocked – Reagent-pump | Full repair manual for code DCU 19155, DCU |
| DCU 19156 | DCU | UREA Pump speed | pump overspeed | Reagent-pump over speed | Full repair manual for code DCU 19156, DCU |
| DCU 19157 | DCU (Dosing Control Unit) | UREA Pump speed | Hall sensors defect | P208B Reagent-pump not delivering | Full repair manual for code DCU 19157, DCU (Dosing Control Unit) |
| DCU 19163 | DCU | Cooling control valve short circuit to UBat or open load | short circuit to battery | P20A3 Vent valve (Reductant Purge Control Valve) - short circuit high | Full repair manual for code DCU 19163, DCU |
| DCU 19164 | DCU | Cooling control valve short circuit to UBat or open load | Open load | Vent valve (Reductant Purge Control Valve) - open circuit | Full repair manual for code DCU 19164, DCU |
| DCU 19172 | DCU | Cooling control valve short circuit to ground | P20A2 Vent valve (Reductant Purge Control Valve) - short circuit low | Full repair manual for code DCU 19172, DCU |
| DCU 19181 | DCU | DEF Reverting Valve Short circuit to battery | Full repair manual for code DCU 19181, DCU |
| DCU 19182 | DCU | Reverting valve (4-2way valve?) electrically | Short circuit to ground | P20A2 Vent valve (Reductant Purge Control Valve) - short circuit low | Full repair manual for code DCU 19182, DCU |
| DCU 19183 | DCU | Reverting valve (4-2way valve?) electrically | Open load | P20A0 Vent valve (Reductant Purge Control Valve) - open circuit | Full repair manual for code DCU 19183, DCU |
