JCB fault codes & repair guides
All 586 codes· 50 per page · page 9 of 12
| Code | Controller | Issue summary | Repair manual |
|---|---|---|---|
| P203F-21 | — | DEF Tank Head Unit Level Physical Signal Below Minimum Limit | Full repair manual for code P203F-21 |
| P203F-68 | — | DEF Tank Level Low and Below Warning Threshold | Full repair manual for code P203F-68 |
| P203F-7B | — | DEF Tank Level Low and Empty | Full repair manual for code P203F-7B |
| P2043-81 | — | CAN Bus Message Error from Head Unit | Full repair manual for code P2043-81 |
| P2043-87 | — | CAN Bus Off Error from Head Unit | Full repair manual for code P2043-87 |
| P204B-16 | — | Pump pressure signal below the minimum voltage limit | Full repair manual for code P204B-16 |
| P204B-17 | — | Measured value of pressure sensor below the tolerable limit | Full repair manual for code P204B-17 |
| P204B-26 | — | Pressure Sensor Reading Exceeds Tolerable Limit | Full repair manual for code P204B-26 |
| P204B-29 | — | Error on pressure line and dosing valve while monitoring for blockage | Full repair manual for code P204B-29 |
| P204C-16 | — | Pump pressure signal below the minimum voltage limit | Full repair manual for code P204C-16 |
| P204D-17 | — | Pump pressure signal above the maximum voltage limit | Full repair manual for code P204D-17 |
| P204F-06 | — | Clogged Filter Detected | Full repair manual for code P204F-06 |
| P205B-00 | — | Overheating of DEF Tank | Full repair manual for code P205B-00 |
| P205B-16 | — | DEF Tank Head Unit Temperature Physical Signal Below Minimum Limit | Full repair manual for code P205B-16 |
| P205B-17 | — | DEF Tank Head Unit Temperature Physical Signal Above Maximum Limit | Full repair manual for code P205B-17 |
| P205B-23 | — | Tank Temperature Sensor Plausibility Error Below Minimum Threshold | Full repair manual for code P205B-23 |
| P205B-24 | — | Tank Temperature Sensor Plausibility Exceeds Maximum Threshold | Full repair manual for code P205B-24 |
| P205C-16 | — | DEF Tank Temperature Signal Voltage Below Minimum Limit | Full repair manual for code P205C-16 |
| P205D-17 | — | DEF Tank Temperature Signal Voltage Above Maximum Limit | Full repair manual for code P205D-17 |
| P205E-81 | — | DEF Tank Temperature Signal Error on CAN | Full repair manual for code P205E-81 |
| P205E-87 | — | CAN Bus Message Error for DEF Tank Temperature from Head Unit | Full repair manual for code P205E-87 |
| P207F-00 | — | DEF Quality Error During Refill Condition | Full repair manual for code P207F-00 |
| P207F-86 | — | DEF Concentration Message Error from Head Unit | Full repair manual for code P207F-86 |
| P208A-13 | — | Open Load Error of Supply Module Pump Motor | Full repair manual for code P208A-13 |
| P208A-31 | — | Supply Module Pump Feedback Error | Full repair manual for code P208A-31 |
| P208B-21 | — | Supply Module Internal Duty Cycle Below Minimum Range | Full repair manual for code P208B-21 |
| P208C-14 | — | Short Circuit to Ground Error of Supply Module Pump Motor | Full repair manual for code P208C-14 |
| P208D-13 | — | Short Circuit to Battery Error of Supply Module Pump Motor | Full repair manual for code P208D-13 |
| P20A0-13 | — | Open Load Error of Backflow Pump Actuator Powerstage | Full repair manual for code P20A0-13 |
| P20A2-14 | — | Error for short to ground of backflow pump actuator powerstage | Full repair manual for code P20A2-14 |
| P20A3-13 | — | Error for short to battery of backflow pump actuator powerstage | Full repair manual for code P20A3-13 |
| P20AD-21 | — | Supply Module Temperature Duty Cycle Below Minimum Range | Full repair manual for code P20AD-21 |
| P20AD-22 | — | Supply Module Temperature Duty Cycle Exceeds Maximum Range | Full repair manual for code P20AD-22 |
| P20AD-92 | — | Supply Module Temperature Error During Cold Start | Full repair manual for code P20AD-92 |
| P20B5-13 | — | Open Load Error of Supply Module Heater Actuator Powerstage | Full repair manual for code P20B5-13 |
| P20B6-22 | — | Supply Module Heater Temperature Duty Cycle Above Maximum Range | Full repair manual for code P20B6-22 |
| P20B6-4B | — | Overtemperature of Supply Module Heater Actuator Powerstage | Full repair manual for code P20B6-4B |
| P20B7-14 | — | Short to Ground in Supply Module Heater Actuator Powerstage | Full repair manual for code P20B7-14 |
| P20B9-00 | — | Error for open load on heater relay of backflow line | Full repair manual for code P20B9-00 |
| P20B9-13 | — | Open Load Error of DEF Backflowline Heater Actuator Powerstage | Full repair manual for code P20B9-13 |
| P20BA-4B | — | Overtemperature in DEF Backflowline Heater Actuator Powerstage | Full repair manual for code P20BA-4B |
| P20BB-00 | — | Error for short to ground or open load on heater relay of backflow line | Full repair manual for code P20BB-00 |
| P20BB-14 | — | Short to Ground in DEF Backflowline Heater Actuator Powerstage | Full repair manual for code P20BB-14 |
| P20BC-15 | — | Error for short to battery of DEF backflowline heater actuator powerstage | Full repair manual for code P20BC-15 |
| P20BD-00 | — | Open Load on Heater Relay of Pressure Line | Full repair manual for code P20BD-00 |
| P20BD-13 | — | Open Load on Heater Relay of Pressure Line | Full repair manual for code P20BD-13 |
| P20BE-00 | — | Error on supply module heater | Full repair manual for code P20BE-00 |
| P20BE-02 | — | Supply Module Heater Temperature Sensor Error | Full repair manual for code P20BE-02 |
| P20BE-05 | — | Supply Module Heater Temperature Cold Start Error | Full repair manual for code P20BE-05 |
| P20BE-13 | — | Error on realys for short to battery | Full repair manual for code P20BE-13 |
