JCB fault codes & repair guides
All 586 codes· 50 per page · page 11 of 12
| Code | Controller | Issue summary | Repair manual |
|---|---|---|---|
| P2208-02 | — | Downstream NOx Sensor Heater Not Heated Quickly | Full repair manual for code P2208-02 |
| P2209-00 | — | Upstream NOx Sensor Heater Not Available | Full repair manual for code P2209-00 |
| P2226 | — | Chain A of the Barometric Pressure Sensor Fault | Full repair manual for code P2226 |
| P2228 | — | Low Signal Circuit for Barometric Pressure Sensor | Full repair manual for code P2228 |
| P2228 | — | Atmosp Sensor Low Fault | Full repair manual for code P2228 |
| P2229 | — | Atmosp Sensor High Fault | Full repair manual for code P2229 |
| P2229 | — | High Signal Circuit A Barometric Pressure Sensor | Full repair manual for code P2229 |
| P2264 | — | Sensor Circuit for Water in the Fuel | Full repair manual for code P2264 |
| P2264 | — | Water in Fuel Sensor Feedback Signal ADC Fault | Full repair manual for code P2264 |
| P2265 | — | Water in Fuel Sensor Feedback Signal 2 Plausibility Fault | Full repair manual for code P2265 |
| P2266 | — | Low Fuel Water Sensor Circuit Signal Issue | Full repair manual for code P2266 |
| P2267 | — | Water in Fuel Sensor Feedback Signal High Fault | Full repair manual for code P2267 |
| P2269 | — | Water in Fuel Sensor Feedback Signal Setting Fault | Full repair manual for code P2269 |
| P2280 | — | ENGINE AIR FILTER BLOCKED | Full repair manual for code P2280 |
| P2295 | — | PCV 2 Drive System Open Circuit or Grand Short Circuit | Full repair manual for code P2295 |
| P2296 | — | PCV 2 Drive System +B Short Circuit | Full repair manual for code P2296 |
| P2428 | — | Exhaust Gas Temperature Too High | Full repair manual for code P2428 |
| P2428-17 | — | Exhaust Catalyst Temperature T4 Physical Signal Above Maximum Limit | Full repair manual for code P2428-17 |
| P242B-00 | — | Error on SCR Catalyst Upstream Temperature Sensor Static Plausibility | Full repair manual for code P242B-00 |
| P242B-17 | — | Catalyst Temperature Sensor Plausibility Error Above Max Threshold | Full repair manual for code P242B-17 |
| P242B-23 | — | Exhaust Catalyst Temperature T4 Physical Signal Below Minimum Limit | Full repair manual for code P242B-23 |
| P242C-16 | — | Exhaust Catalyst Temperature T4 Voltage Signal Below Minimum Limit | Full repair manual for code P242C-16 |
| P242D-17 | — | Exhaust Catalyst Temperature T4 Voltage Signal Above Maximum Limit | Full repair manual for code P242D-17 |
| P242F | — | DPF PM Over | Full repair manual for code P242F |
| P2453 | — | DPF Differential Pressure High | Full repair manual for code P2453 |
| P2454 | — | Differential Pressure Sensor Low Voltage Fault | Full repair manual for code P2454 |
| P2455 | — | Differential Pressure Sensor High Voltage Fault | Full repair manual for code P2455 |
| P250B | — | Engine Oil Level Low at Key On | Full repair manual for code P250B |
| P250B | — | Engine Oil Level Sensor Circuit Range/Performance Issue | Full repair manual for code P250B |
| P250B | — | Oil Level Sensor Signal Global Fault | Full repair manual for code P250B |
| P2527 | — | EVRV Vacuum Sensor Low Voltage Fault | Full repair manual for code P2527 |
| P2528 | — | EVRV Vacuum Sensor High Voltage Fault | Full repair manual for code P2528 |
| P256A | — | Idling Sensor / Switch Circuit Fault | Full repair manual for code P256A |
| P256A | — | Engine Idle Speed Selector Sensor/Switch Circuit Open | Full repair manual for code P256A |
| P256A | — | Idle Speed Up-Down Switch Fault | Full repair manual for code P256A |
| P256B | — | Engine Idle Speed Selector Sensor/Switch Range/Performance Issue | Full repair manual for code P256B |
| P256C | — | Engine Idle Speed Selector Sensor/Switch Circuit Low | Full repair manual for code P256C |
| P256D | — | Engine Idle Speed Selector Sensor/Switch Circuit High | Full repair manual for code P256D |
| P256D | — | High Idle Sensor / Selector Speed Sensor Signal Fault | Full repair manual for code P256D |
| P2670-14 | — | Short Circuit to Ground of Actuator Relay 2 | Full repair manual for code P2670-14 |
| P2685-14 | — | Short Circuit to Ground of Actuator Relay 3 | Full repair manual for code P2685-14 |
| P2686-12 | — | Short Circuit to Battery in Actuator Relay 3 | Full repair manual for code P2686-12 |
| P2A00-00 | — | Upstream NOx Sensor Not Mounted or Loose | Full repair manual for code P2A00-00 |
| P2A01-00 | — | Downstream NOx Sensor Not Mounted or Loose | Full repair manual for code P2A01-00 |
| P3300 | — | Starter Motor Engagement Protection Fault | Full repair manual for code P3300 |
| P3301 | — | Starter Motor Overheat Protection Activated | Full repair manual for code P3301 |
| P3302 | — | Starter Motor Overrun Protection Fault | Full repair manual for code P3302 |
| P3401-87 | — | Excessive Ambient/Operating Temperature Error for Aftertreatment 1 SCR Catalyst DEF Property | Full repair manual for code P3401-87 |
| P3402-87 | — | Concentration Too High for Aftertreatment 1 SCR Catalyst DEF Properties | Full repair manual for code P3402-87 |
| P3403-87 | — | Concentration too low for aftertreatment 1 SCR catalyst DEF properties | Full repair manual for code P3403-87 |
