Proton fault codes
8,866 codes · 50 vehicle records · 175 ECU records · 0 live-data parameters
Codes 8,866
| Code | Description | Brands | System |
|---|---|---|---|
| P11A1 | cylinder 1: elec. malf. or open circuit; Open circuit | 12 | Powertrain |
| P11A2 | cylinder 1: implausible signal; Short to ground | 7 | Powertrain |
| P11A3 | cylinder 1: elec. malf. or open circuit; Open circuit | 13 | Powertrain |
| P11AA | Boost pressure sensor failure | 14 | Powertrain |
| P11AB | Boost pressure sensor | 14 | Powertrain |
| P11B0 | Variable resistance turbocharger | 8 | Powertrain |
| P11B1 | Variable resistance turbocharger | 8 | Powertrain |
| P11B2 | Heated Oxygen Sensor (HO2S) 2 performance - signal low during moderate load | 14 | Powertrain |
| P11B3 | Heated Oxygen Sensor (HO2S) 2 performance during deceleration fuel cutoff | 13 | Powertrain |
| P11C0 | NO. 449 battery voltage sampling wire loop fault | 11 | Powertrain |
| P11C1 | NO. 450 battery voltage sampling wire loop fault | 11 | Powertrain |
| P11C2 | NO. 451 battery voltage sampling wire loop fault | 10 | Powertrain |
| P11C3 | NO. 452 battery voltage sampling wire loop fault | 13 | Powertrain |
| P11D0 | NO. 465 battery voltage sampling wire loop fault | 10 | Powertrain |
| P11D1 | NO. 466 battery voltage sampling wire loop fault | 10 | Powertrain |
| P11D2 | NO. 467 battery voltage sampling wire loop fault | 10 | Powertrain |
| P11D3 | NO. 468 battery voltage sampling wire loop fault | 10 | Powertrain |
| P11E0 | NO. 481 battery voltage sampling wire loop fault | 10 | Powertrain |
| P11E1 | NO. 482 battery voltage sampling wire loop fault | 10 | Powertrain |
| P11E2 | NO. 483 battery voltage sampling wire loop fault | 10 | Powertrain |
| P11E3 | NO. 484 battery voltage sampling wire loop fault | 10 | Powertrain |
| P11F0 | Post catalyst alternative fuel trim system high limit | 12 | Powertrain |
| P11F1 | Post catalyst alternative fuel trim system low limit bank 2 | 12 | Powertrain |
| P11F2 | Post catalyst alternative fuel trim system high limit bank 2 | 11 | Powertrain |
| P11F3 | Module 3 (thermistor 4) over flow | 5 | Powertrain |
| P1200 | Fuel injector open circuit | 30 | Powertrain |
| P1201 | Cylinder 1 injector | 32 | Powertrain |
| P1202 | Cylinder 2 injector | 32 | Powertrain |
| P1203 | Cylinder 3 injector | 30 | Powertrain |
| P1204 | Signal at full load below threshold | 28 | Powertrain |
| P1205 | Signal at full load below threshold | 30 | Powertrain |
| P1206 | If DTC or P2002 is set, perform this procedure to regenerate the diesel particulate filter | 29 | Powertrain |
| P1209 | Injection Ctrl System Pres Peak Fault | 20 | Powertrain |
| P1210 | Traction control module switch signal | 28 | Powertrain |
| P1211 | Intake valves for cylinder shut-off open circuit | 25 | Powertrain |
| P1212 | Cylinder shut-off, bank 1 | 25 | Powertrain |
| P1213 | Fuel Injector for Cylinder 1 (N30): Short to B+ | 25 | Powertrain |
| P1214 | Pedal position sensor B circuit intermittent | 25 | Powertrain |
| P1215 | Pedal position sensor C circuit low input | 28 | Powertrain |
| P1216 | Fuel Injector for Cylinder 4 (N33): Short to B+ | 23 | Powertrain |
| P1217 | Fuel Injector for Cylinder 5 (N83): Short to B+ | 27 | Powertrain |
| P1218 | Fuel Injector for Cylinder 6 (N84): Short to B+ | 24 | Powertrain |
| P1219 | Fuel Injector for Cylinder 7 (N85): Short to B+ | 24 | Powertrain |
| P1220 | Fuel pump control module fault | 34 | Powertrain |
| P1221 | Throttle position sensor 1-2 correlation | 30 | Powertrain |
| P1222 | Signal too small | 30 | Powertrain |
| P1223 | Signal too large | 25 | Powertrain |
| P1224 | Throttle Position Sensor 2 | 25 | Powertrain |
| P1225 | Injector circuit cylinder 2 intermittent | 31 | Powertrain |
| P1226 | Cylinder 2 fuel injection circuit short to ground | 30 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.