John Deere fault codes & repair guides
All 3,995 codes· 50 per page · page 38 of 80
| Code | Controller | Issue summary | Repair manual |
|---|---|---|---|
| 002394.05 | — | Unplug 7-pin connector to verify code still exists | Full repair manual for code 002394.05 |
| 2396.03 | BLC (Basic Lighting Controller) | Inner Worklights on Front of Roof, External Voltage | Full repair manual for code 2396.03, BLC (Basic Lighting Controller) |
| 002396.05 | — | Low Amps Detected on Front Roof Inner Work Light Pin | Full repair manual for code 002396.05 |
| 2396.05 | BLC / RLC | Inner Worklights on Front of Roof, Current Too Low | Full repair manual for code 2396.05, BLC / RLC |
| 002396.06 | — | High Amps Detected on Front Roof Inner Work Light Pin When Work Lights Are Turned On | Full repair manual for code 002396.06 |
| 2396.06 | BLC (Basic Lighting Controller / Light Control Unit) | Inner Worklights on Front of Roof, Current Too High | Full repair manual for code 2396.06, BLC (Basic Lighting Controller / Light Control Unit) |
| 2398.03 | BLC | Outer Worklights on Front of Roof, External Voltage | Full repair manual for code 2398.03, BLC |
| 002398.05 | — | Low Amps Detected on Front Roof Outer Work Light Pin | Full repair manual for code 002398.05 |
| 2398.05 | BLC / RLC | Outer Worklights on Front of Roof, Current Too Low | Full repair manual for code 2398.05, BLC / RLC |
| 002398.06 | — | High Amps Detected on Front Roof Outer Work Light Pin | Full repair manual for code 002398.06 |
| 2398.06 | BLC (Basic Lighting Controller / Body Lighting Controller) | Outer Worklights on Front of Roof, Current Too High | Full repair manual for code 2398.06, BLC (Basic Lighting Controller / Body Lighting Controller) |
| 002407.03 | — | Voltage Detected on Rear Roof Outer Work Light Pin When Lights Are Off | Full repair manual for code 002407.03 |
| 2407.03 | BLC | Outer Worklights on Rear of Roof, External Voltage | Full repair manual for code 2407.03, BLC |
| 002407.05 | — | Low Amps Detected on Rear Roof Outer Work Light Pin | Full repair manual for code 002407.05 |
| 2407.05 | BLC / RLC | Outer Worklights on Rear of Roof, Current Too Low | Full repair manual for code 2407.05, BLC / RLC |
| 002407.06 | — | High Amps Detected on Rear Roof Outer Work Light Pin | Full repair manual for code 002407.06 |
| 2407.06 | BLC | Outer Worklights on Rear of Roof, Current Too High | Full repair manual for code 2407.06, BLC |
| 002602.01 | — | Transmission Oil Level Low | Full repair manual for code 002602.01 |
| 2602.01 | CCU or SCC | Hydraulic Clean Oil Reservoir Level Very Low | Full repair manual for code 2602.01, CCU or SCC |
| CCU2602.1 | CCU | Check Oil Level | Full repair manual for code CCU2602.1, CCU |
| CCU2602.18 | CCU | Check Oil Level | Full repair manual for code CCU2602.18, CCU |
| 2629 | — | Fixed Turbo Comp Outlet Temp Signal | Full repair manual for code 2629 |
| 002629.03 | — | Fixed Turbo Outlet Temperature Sensor High Voltage | Full repair manual for code 002629.03 |
| 2629.03 | Engine Control Unit (ECU) | Fixed Turbocharger Compressor Outlet Temperature Signal Out Of Range High | Full repair manual for code 2629.03, Engine Control Unit (ECU) |
| 002629.04 | — | Fixed Turbo Outlet Temperature Sensor Low Voltage | Full repair manual for code 002629.04 |
| 2629.04 | Engine Control Unit (ECU) | Fixed Turbocharger Compressor Outlet Temperature Signal Out of Range Low | Full repair manual for code 2629.04, Engine Control Unit (ECU) |
| 2630 | ECU | Charge Air Cooler Outlet Temperature High | Full repair manual for code 2630, ECU |
| 002630.00 | — | Intercooler Outlet Air Temperature High | Full repair manual for code 002630.00 |
| ECU002630.03 | ECU | Charge Air Outlet Temperature Input Voltage Problem | Full repair manual for code ECU002630.03, ECU |
| 2630.03 | Engine Control Unit (ECU) | Charge Air Cooler Outlet Temperature Input Voltage Problem / Exhaust Gas Recirculation (EGR) Fresh Air Temperature Sensor Input Voltage Too High | Full repair manual for code 2630.03, Engine Control Unit (ECU) |
| 2630.04 | ECU | Charge Air Cooler Outlet Temperature Signal Out of Range Low / Input Voltage Problem | Full repair manual for code 2630.04, ECU |
| 2630.15 | ECU | Charge Air Cooler Outlet Temperature High | Full repair manual for code 2630.15, ECU |
| ECU002630.16 | ECU | Outlet Air Temperature Higher Than Expected | Full repair manual for code ECU002630.16, ECU |
| 2630.16 | Engine Control Unit (ECU) | Charge Air Cooler Outlet Temperature High (Moderately Severe) | Full repair manual for code 2630.16, Engine Control Unit (ECU) |
| 002646.03 | — | High Voltage On Rear SCV Valves 1,2,5 | Full repair manual for code 002646.03 |
| 2646.03 | SCO | Stepper Motors for E-SCV XI and E-SCV XIV, Voltage Too High | Full repair manual for code 2646.03, SCO |
| 2659 | — | EGR Flow Signal Fault | Full repair manual for code 2659 |
| 002659.01 | — | EGR Flow Meter Reading Issue | Full repair manual for code 002659.01 |
| 2659.01 | Engine Control Unit (ECU) | NOx Based EGR Flow Correction Extremely Low / EGR Gas Flow Issue | Full repair manual for code 2659.01, Engine Control Unit (ECU) |
| 002659.02 | — | EGR Flow Meter Reading Issue Signal Out Of Range | Full repair manual for code 002659.02 |
| 2659.02 | ECU | EGR Flow/Temperature Mismatch | Full repair manual for code 2659.02, ECU |
| 002659.03 | — | EGR Flow Meter Reading High Voltage | Full repair manual for code 002659.03 |
| 2659.03 | ECU | EGR Flow Signal Out of Range High | Full repair manual for code 2659.03, ECU |
| ECU002659.03 | ECU | EGR Delta Pressure Sensor Circuit Fault | Full repair manual for code ECU002659.03, ECU |
| 002659.04 | — | EGR Flow Meter Reading Low Voltage | Full repair manual for code 002659.04 |
| ECU002659.04 | ECU | EGR Delta Pressure Sensor Circuit Fault | Full repair manual for code ECU002659.04, ECU |
| 2659.04 | Engine Control Unit (ECU) | EGR Flow Signal Out of Range Low | Full repair manual for code 2659.04, Engine Control Unit (ECU) |
| 002659.14 | — | EGR Flow Meter Reading Issue | Full repair manual for code 002659.14 |
| 2659.14 | Engine Control Unit (ECU) | EGR Flow Signal Fault / Calculated EGR Flow Rate Error / EGR Flow Rate Data Invalid | Full repair manual for code 2659.14, Engine Control Unit (ECU) |
| 002659.15 | — | EGR Flow Meter Reading Issue | Full repair manual for code 002659.15 |
