JCB fault codes & repair guides
All 586 codes· 50 per page · page 5 of 12
| Code | Controller | Issue summary | Repair manual |
|---|---|---|---|
| P0190 | — | Rail Pressure Sensor Signal Grad Fault | Full repair manual for code P0190 |
| P0190 | — | Fuel Pressure Sensor Circuit A Fault | Full repair manual for code P0190 |
| P0191 | — | Rail Pressure Sensor Fault: Above Maximum Threshold | Full repair manual for code P0191 |
| P0191 | — | Range / Performance of Circuit “A” of the Fuel Pressure Sensor in the Line | Full repair manual for code P0191 |
| P0192 | — | Low Signal Circuit 'A' of the Fuel Pressure Sensor in the Highway | Full repair manual for code P0192 |
| P0192 | — | Rail Pressure Sensor Signal Low Fault | Full repair manual for code P0192 |
| P0193 | — | High Signal Circuit 'A' of the Fuel Pressure Sensor in the Highway | Full repair manual for code P0193 |
| P0193 | — | Rail Pressure Sensor Signal High Fault | Full repair manual for code P0193 |
| P0194 | — | Rail Pressure Sensor Signal Drop Fault | Full repair manual for code P0194 |
| P0194 | — | Intermittent Signal in Fuel Pressure Sensor Circuit A | Full repair manual for code P0194 |
| P0195 | — | Oil Temperature Sensor Signal External Voltage Fault | Full repair manual for code P0195 |
| P0196 | — | Oil Temperature Sensor Signal Gradient Fault | Full repair manual for code P0196 |
| P0197 | — | Oil Temperature Sensor Signal Low Fault | Full repair manual for code P0197 |
| P0198 | — | Oil Temperature Sensor Signal High Fault | Full repair manual for code P0198 |
| P0200 | — | Injector Circuit Open | Full repair manual for code P0200 |
| P0201 | — | Injector 2 Open Circuit Fault | Full repair manual for code P0201 |
| P0201 | — | Injector in Cylinder 1 Short Circuit HSD to LSD | Full repair manual for code P0201 |
| P0202 | — | Injector 1 Open Circuit Fault | Full repair manual for code P0202 |
| P0202 | — | Injector in Cylinder 2 Short Circuit HSD to LSD | Full repair manual for code P0202 |
| P0203 | — | Injector in Cylinder 3 Short Circuit HSD to LSD | Full repair manual for code P0203 |
| P0203 | — | Injector 3 Open Circuit Fault | Full repair manual for code P0203 |
| P0204 | — | Injector 0 Open Circuit Fault | Full repair manual for code P0204 |
| P0204 | — | Injector in Cylinder 4 Short Circuit HSD to LSD | Full repair manual for code P0204 |
| P0205 | — | Injector Circuit Open - 5th Cylinder | Full repair manual for code P0205 |
| P0206 | — | Injector Circuit Open - 6th Cylinder | Full repair manual for code P0206 |
| P0217 | — | Coolant Temperature Exceeds Upper Limit | Full repair manual for code P0217 |
| P0218 | — | Transmission Fluid Over Temperature | Full repair manual for code P0218 |
| P0220 | — | Throttle Pedal Position Sensor Circuit B Fault | Full repair manual for code P0220 |
| P0234 | — | Turbo Over Boost | Full repair manual for code P0234 |
| P0235 | — | Boosted Air Pressure Sensor Fault: ADC | Full repair manual for code P0235 |
| P0236 | — | Range / Performance of Circuit “A” of Turbocharger / Supercharger Boost Sensor | Full repair manual for code P0236 |
| P0237 | — | Boosted Air Pressure Sensor Low Fault | Full repair manual for code P0237 |
| P0238 | — | Boosted Air Pressure Sensor High Fault | Full repair manual for code P0238 |
| P0253 | — | Low Signal 'A' of the Fuel Metering Device of the High Pressure Fuel Pump | Full repair manual for code P0253 |
| P0254 | — | High Signal 'A' in Fuel Metering Pump Circuit | Full repair manual for code P0254 |
| P0261 | — | Injector and Wiring Harness Resistance Too High/Low (Inj 2) | Full repair manual for code P0261 |
| P0261 | — | Low Signal of the Injector Circuit of the 1st Cylinder | Full repair manual for code P0261 |
| P0262 | — | Injector and Wiring Harness Resistance Drop (Inj 2) | Full repair manual for code P0262 |
| P0262 | — | High Signal Injector Circuit 1 Cylinder | Full repair manual for code P0262 |
| P0263 | — | Deposit / Balancing of the 1st Cylinder | Full repair manual for code P0263 |
| P0263 | — | Cylinder Balancing Fault: Injector 2 Stuck Closed | Full repair manual for code P0263 |
| P0264 | — | Injector and Wiring Harness Resistance Issue (Inj 1) | Full repair manual for code P0264 |
| P0264 | — | Low Signal of the Injector Circuit of the 2nd Cylinder | Full repair manual for code P0264 |
| P0265 | — | Injector and Wiring Harness Resistance Drop (Inj 1) | Full repair manual for code P0265 |
| P0265 | — | High Signal Circuit Injector 2nd Cylinder | Full repair manual for code P0265 |
| P0266 | — | Cylinder Balancing Fault: Injector 1 Stuck Closed | Full repair manual for code P0266 |
| P0267 | — | Injector and Wiring Harness Resistance Too High or Low (Inj 3) | Full repair manual for code P0267 |
| P0267 | — | Low Signal of the Injector Circuit of the 3rd Cylinder | Full repair manual for code P0267 |
| P0268 | — | Injector and Wiring Harness Resistance Drop (Inj 3) | Full repair manual for code P0268 |
| P0268 | — | High Signal Circuit Injector 3rd Cylinder | Full repair manual for code P0268 |
