JCB fault codes & repair guides
All 586 codes· 50 per page · page 10 of 12
| Code | Controller | Issue summary | Repair manual |
|---|---|---|---|
| P20BF-00 | — | Error for short to ground or open load on heater relay of pressure line | Full repair manual for code P20BF-00 |
| P20BF-14 | — | Short to Ground in DEF Pressureline Heater Actuator Powerstage | Full repair manual for code P20BF-14 |
| P20C0-15 | — | DEF Pressureline Heater Actuator Powerstage Short to Battery | Full repair manual for code P20C0-15 |
| P20C1-00 | — | Error for open load on heater relay of suction line | Full repair manual for code P20C1-00 |
| P20C1-13 | — | Error for open load on heater relay of suction line | Full repair manual for code P20C1-13 |
| P20C2-4B | — | Overtemperature of DEF Suctionline Heater Actuator Powerstage | Full repair manual for code P20C2-4B |
| P20C3-00 | — | Error for short to ground or open load on heater relay of suction line | Full repair manual for code P20C3-00 |
| P20C3-14 | — | Error for short to ground or open load on heater relay of suction line | Full repair manual for code P20C3-14 |
| P20C4-15 | — | Short to Battery in DEF Suction Line Heater Actuator Power Stage | Full repair manual for code P20C4-15 |
| P20EA-72 | — | DCU Relay Early Opening | Full repair manual for code P20EA-72 |
| P20EB-71 | — | DCU Relay Stuck | Full repair manual for code P20EB-71 |
| P2100 | — | Throttle H-Bridge Driver in ECU Fault: Undervoltage | Full repair manual for code P2100 |
| P2101 | — | Throttle H-Bridge driver in ECU fault: SC | Full repair manual for code P2101 |
| P2102 | — | Throttle H-Bridge Driver Fault in ECU | Full repair manual for code P2102 |
| P2103 | — | Throttle H-Bridge driver in ECU fault: SC2VBATT | Full repair manual for code P2103 |
| P2119 | — | Throttle Learning Position Fault | Full repair manual for code P2119 |
| P2120 | — | Fault Channel 1 Signal Hand Pedal | Full repair manual for code P2120 |
| P2122 | — | Accelerator Sensor 1 Fault (Low Voltage Fault) | Full repair manual for code P2122 |
| P2123 | — | Accelerator Sensor 1 Fault (High Voltage Fault) | Full repair manual for code P2123 |
| P2125 | — | Malfunction of Channel 2 of a Manual Pedal Signal | Full repair manual for code P2125 |
| P2127 | — | Accelerator Sensor 2 Fault (Low Voltage Fault) | Full repair manual for code P2127 |
| P2128 | — | Accelerator Sensor 2 Fault (High Voltage Fault) | Full repair manual for code P2128 |
| P2138 | — | Hand Pedal Signal Correlation Fault | Full repair manual for code P2138 |
| P2138 | — | Hand Pedal Signal Mapping Failure | Full repair manual for code P2138 |
| P2146 | — | Injection Nozzle Common 1 Drive System Fault | Full repair manual for code P2146 |
| P219D-13 | — | Open Load Error of DEF Heater Relay Actuator Powerstage | Full repair manual for code P219D-13 |
| P219E-13 | — | Error for short to battery of DEF heater relay actuator powerstage | Full repair manual for code P219E-13 |
| P219F-14 | — | DEF Heater Relay Actuator Powerstage Short to Ground | Full repair manual for code P219F-14 |
| P21A9-12 | — | Short Circuit to Battery of Actuator Relay 4 | Full repair manual for code P21A9-12 |
| P21AB-14 | — | Short Circuit to Ground of Actuator Relay 4 | Full repair manual for code P21AB-14 |
| P2200-00 | — | Upstream NOx Sensor Wire Diagnosis-Error in Voltage Supply | Full repair manual for code P2200-00 |
| P2200-02 | — | Upstream NOx Sensor Short Circuit to Ground or Battery | Full repair manual for code P2200-02 |
| P2200-05 | — | Upstream NOx Sensor Self Diagnostic | Full repair manual for code P2200-05 |
| P2200-11 | — | Lambda Signal Below Minimum for Upstream NOx Sensor | Full repair manual for code P2200-11 |
| P2200-12 | — | Lambda Signal Above Maximum Limit for Upstream NOx Sensor | Full repair manual for code P2200-12 |
| P2200-13 | — | Upstream NOx Sensor Open Circuit | Full repair manual for code P2200-13 |
| P2200-61 | — | Invalid signal from upstream NOx sensor after heater release | Full repair manual for code P2200-61 |
| P2200-94 | — | Upstream NOx Sensor Self Diagnostic Abort | Full repair manual for code P2200-94 |
| P2201-00 | — | Downstream NOx Sensor Wire Diagnosis-Error in Voltage Supply | Full repair manual for code P2201-00 |
| P2201-06 | — | Downstream NOx Sensor Self Diagnostic | Full repair manual for code P2201-06 |
| P2201-11 | — | Lambda Signal Below Minimum Limit for Downstream NOx Sensor | Full repair manual for code P2201-11 |
| P2201-12 | — | Lambda Signal Above Maximum Limit for Downstream NOx Sensor | Full repair manual for code P2201-12 |
| P2201-13 | — | Downstream NOx Sensor Open Circuit | Full repair manual for code P2201-13 |
| P2201-1C | — | Downstream NOx Sensor Short Circuit to Ground or Battery | Full repair manual for code P2201-1C |
| P2201-61 | — | Invalid Signal from Downstream NOx Sensor After Heater Release | Full repair manual for code P2201-61 |
| P2202-00 | — | Upstream NOx Sensor Reading Below Minimum Threshold | Full repair manual for code P2202-00 |
| P2202-16 | — | Downstream NOx Sensor Reading Below Minimum Threshold | Full repair manual for code P2202-16 |
| P2203-00 | — | Upstream NOx Sensor Reading Exceeds Maximum Threshold | Full repair manual for code P2203-00 |
| P2203-17 | — | Downstream NOx Sensor Reading Exceeds Maximum Threshold | Full repair manual for code P2203-17 |
| P2208-00 | — | Downstream NOx Sensor Heater Not Available | Full repair manual for code P2208-00 |
