John Deere fault codes & repair guides
All 3,995 codes· 50 per page · page 10 of 80
| Code | Controller | Issue summary | Repair manual |
|---|---|---|---|
| 000168.04 | — | Low Voltage to Rear Chassis Module (PLC) | Full repair manual for code 000168.04 |
| 168.04 | AIC (Armrest Interface Control Unit) / Cab Module | Unswitched Supply Voltage Low | Full repair manual for code 168.04, AIC (Armrest Interface Control Unit) / Cab Module |
| 168.04 | CCU | Unswitched Supply Voltage Low | Full repair manual for code 168.04, CCU |
| 168.04 | CRU / CSC | Battery Potential / Power Input 1 - Voltage Below Normal | Full repair manual for code 168.04, CRU / CSC |
| 168.04 | CSM / AIC | Unswitched Supply Voltage Low | Full repair manual for code 168.04, CSM / AIC |
| 168.04 | Direct Drive Range Module (RPM) | Unswitched Supply Voltage Low | Full repair manual for code 168.04, Direct Drive Range Module (RPM) |
| 168.04 | Gear Shift Module Direct Drive (GPM) | Voltage Below Normal / Shorted to Low Source | Full repair manual for code 168.04, Gear Shift Module Direct Drive (GPM) |
| HCU000168.04 | HCU | Accumulated Debris Detected | Full repair manual for code HCU000168.04, HCU |
| 168.04 | OIC (Operator Interface Control Unit) | Unswitched Supply Voltage Low | Full repair manual for code 168.04, OIC (Operator Interface Control Unit) |
| 168.04 | PTF (Front Chassis Module / Front PTO Control Unit) | Unswitched Supply Voltage Low | Full repair manual for code 168.04, PTF (Front Chassis Module / Front PTO Control Unit) |
| SCO000168.04 | SCO | Control Box Supply Voltage Problem | Full repair manual for code SCO000168.04, SCO |
| PTI168.1 | PTI | Engine Overload or Electrical System Issue | Full repair manual for code PTI168.1, PTI |
| 000168.16 | — | Battery Voltage Between 16V and 18V | Full repair manual for code 000168.16 |
| BIF000168.16 | BIF | System Voltage Too High (Engine Running) | Full repair manual for code BIF000168.16, BIF |
| 168.16 | ECU | High Battery Voltage At Engine Module (ECU) | Full repair manual for code 168.16, ECU |
| 000168.17 | — | Low Battery Voltage At Engine Module (ECU) | Full repair manual for code 000168.17 |
| 168.17 | BCU or ECU | System Voltage Too Low (Engine Speed Over 1500 rpm) | Full repair manual for code 168.17, BCU or ECU |
| 000168.18 | — | Low Battery Voltage At Engine Module (ECU) | Full repair manual for code 000168.18 |
| 000168.18 | — | Low Voltage to Module | Full repair manual for code 000168.18 |
| 000168.18 | — | Battery Voltage Between 8V and 9V | Full repair manual for code 000168.18 |
| BIF000168.18 | BIF | System Voltage Too Low at Engine Speed Up to 1500 RPM | Full repair manual for code BIF000168.18, BIF |
| 168.18 | ECU, BCU, BIF, FCC, iTC | Battery Voltage Low / Unswitched Battery Voltage Moderately Low | Full repair manual for code 168.18, ECU, BCU, BIF, FCC, iTC |
| 168.18 | FCC (Front Console Computer) | Instrument Unit, Supply Voltage (BAT) Too Low | Full repair manual for code 168.18, FCC (Front Console Computer) |
| 168.18 | PTQ | Supply Voltage (BAT) Too Low | Full repair manual for code 168.18, PTQ |
| 170 | — | Climatrac Cab Air Temperature Sensor Voltage Too Low | Full repair manual for code 170 |
| 000170.03 | — | Cab temperature sensor circuit voltage problem | Full repair manual for code 000170.03 |
| 000170.03 | — | Inside Air Temp Sensor High Voltage Roof Module (ATC) | Full repair manual for code 000170.03 |
| 170.03 | ATC (Automatic Temperature Control) | Inside Air Temperature Sensor Voltage Too High / Sending Unit for Inside Air Temperature, Shorted or Open Circuit. | Full repair manual for code 170.03, ATC (Automatic Temperature Control) |
| 170.04 | ATC | Inside Air Temperature Sensor Voltage Too Low | Full repair manual for code 170.04, ATC |
| 000171.03 | — | Ambient Temperature Sensor Circuit Voltage Problem | Full repair manual for code 000171.03 |
| 172 | — | CLIMATRAK Outside Air Temperature Sensor Voltage Too High | Full repair manual for code 172 |
| 174 | Engine Control Unit (ECU) | Fuel Temperature High / Fuel Temperature Excessively High - Most Severe Level | Full repair manual for code 174, Engine Control Unit (ECU) |
| 000174.00 | — | Fuel Temperature High | Full repair manual for code 000174.00 |
| 000174.00 | — | Fuel System Fault | Full repair manual for code 000174.00 |
| ECU000174.00 | ECU | Clean Radiator | Full repair manual for code ECU000174.00, ECU |
| 000174.03 | — | Fuel Temperature Fault | Full repair manual for code 000174.03 |
| 000174.03 | — | Fuel Temperature Input Voltage Problem | Full repair manual for code 000174.03 |
| 174.03 | Engine Control Unit (ECU) | Fuel Temperature High Signal Voltage | Full repair manual for code 174.03, Engine Control Unit (ECU) |
| 174.04 | Engine Control Unit (ECU) | Fuel Temperature Low Signal Voltage (ECU) | Full repair manual for code 174.04, Engine Control Unit (ECU) |
| 000174.16 | — | Fuel Temperature High (ECU) | Full repair manual for code 000174.16 |
| 174.16 | ECU | Fuel Temperature High (Moderately Severe Level) | Full repair manual for code 174.16, ECU |
| ECU000174.16 | ECU | Cooler Issue Detected | Full repair manual for code ECU000174.16, ECU |
| 177 | CCU, TCU, PTP / PTA, EPC, BIF | Transmission Oil Temperature Very High | Full repair manual for code 177, CCU, TCU, PTP / PTA, EPC, BIF |
| 177 | PTA, PTP, TCU, EPC, BIF | Transmission Oil Temperature Very High | Full repair manual for code 177, PTA, PTP, TCU, EPC, BIF |
| 000177.00 | — | High Transmission Oil Temperature Detected | Full repair manual for code 000177.00 |
| 000177.01 | — | Trans Oil Temp Too Low | Full repair manual for code 000177.01 |
| 177.01 | SCC, SCO, SIC, TCU, PTP | Hydraulic Oil Temperature Too Low / Transmission Oil Temperature Too Low | Full repair manual for code 177.01, SCC, SCO, SIC, TCU, PTP |
| 000177.02 | — | Trans Oil Temp Too Low | Full repair manual for code 000177.02 |
| 177.02 | SCO | Hydraulic Oil Temperature Too Low During Front Hitch Calibration | Full repair manual for code 177.02, SCO |
| 000177.03 | — | Trans Oil Temp Voltage High Rear Chassis (CCU) | Full repair manual for code 000177.03 |
