Proton fault codes
8,866 codes · 50 vehicle records · 175 ECU records · 0 live-data parameters
Codes 8,866
| Code | Description | Brands | System |
|---|---|---|---|
| P2837 | Shift fork 'B' position circuit range/performance | 25 | Powertrain |
| P2838 | Shift fork 'B' position circuit low | 23 | Powertrain |
| P2839 | Shift fork 'B' position circuit high | 23 | Powertrain |
| P283C | Shift fork 'C' position circuit range/performance | 23 | Powertrain |
| P283D | Shift fork 'C' position circuit low | 23 | Powertrain |
| P283E | Shift fork 'C' position circuit high | 23 | Powertrain |
| P2841 | Shift fork 'D' position circuit range/performance | 23 | Powertrain |
| P2842 | Shift fork 'D' position circuit low | 23 | Powertrain |
| P2843 | Shift fork 'D' position circuit high | 23 | Powertrain |
| P2845 | Shift fork 'A' position sensor incorrect neutral position indicated | 20 | Powertrain |
| P2846 | Shift fork 'B' position sensor incorrect neutral position indicated | 20 | Powertrain |
| P2847 | Shift fork 'C' position sensor incorrect neutral position indicated | 20 | Powertrain |
| P2848 | Shift fork 'D' position sensor incorrect neutral position indicated | 20 | Powertrain |
| P2857 | Clutch 'A' Pressure Engagement Performance | 22 | Powertrain |
| P2858 | Clutch 'B' Pressure Engagement Performance | 22 | Powertrain |
| P2859 | Clutch 'A' Pressure Disengagement Performance | 21 | Powertrain |
| P285A | Clutch 'B' Pressure Disengagement Performance | 21 | Powertrain |
| P286D | Clutch 'A' engagement time performance/too slow | 12 | Powertrain |
| P2871 | Clutch 'A' performance/stuck disengaged | 12 | Powertrain |
| P2872 | Clutch 'A' stuck engaged | 13 | Powertrain |
| P2879 | Clutch 'B' performance/stuck disengaged | 12 | Powertrain |
| P287A | Clutch 'B' stuck engaged | 9 | Powertrain |
| P287C | Transmission adaptive values not learned | 14 | Powertrain |
| P2A00 | The upstream oxygen sensor enters the working voltage too slowly/the upstream oxygen sensor exits the ready state | 36 | Powertrain |
| P2A01 | Front oxygen sensor deceleration fuel cut-off response too slow | 32 | Powertrain |
| P2A03 | O2 Sensor Circuit Range/Performance Bank 2 Sensor 1 | 27 | Powertrain |
| P2A04 | O2 Sensor Circuit Range/Performance Bank 2 Sensor 2 | 28 | Powertrain |
| P2AB0 | Particulate matter sensor processor performance | 15 | Powertrain |
| P2B08 | Cold start cylinder 1 injection pulse performance | 13 | Powertrain |
| P2B09 | Cold start cylinder 2 injection pulse performance | 13 | Powertrain |
| P2B0A | Cold start cylinder 3 injection pulse performance | 13 | Powertrain |
| P2B0B | Cold start cylinder 4 injection pulse performance | 13 | Powertrain |
| P2B0C | Cold start cylinder 5 injection pulse performance | 12 | Powertrain |
| P2B0D | Cold start cylinder 6 injection pulse performance | 12 | Powertrain |
| P2B83 | Charge air cooler coolant pump 'A' overspeed/air in system | 15 | Powertrain |
| P2B95 | Koude start inspuitpulsprestatie | 12 | Powertrain |
| P2BC2 | DTC Check -1C | 12 | Powertrain |
| P2DD7 | Cold start fuel injection quantity 'B' lower than expected | 5 | Powertrain |
| P2DD8 | Kaltstart Kraftstoffeinspritzmenge 'B' höher als erwartet | 5 | Powertrain |
| P2DD9 | Tankentlüftung, Ansteuerung Diagnosepumpe für Tankleckage Fehlfunktion | 6 | Powertrain |
| P2DDA | Evaporative Emissions (EVAP) System Leak Detection Pump Performance Failure - Stuck | 6 | Powertrain |
| P2DE0 | Driver Assistance System. Communication Error | 5 | Powertrain |
| P2DE1 | Kaltstart Kraftstoffeinspritzmenge 'C' höher als erwartet | 5 | Powertrain |
| P2DE2 | Cold start fuel injection quantity 'D' lower than expected | 5 | Powertrain |
| P2DE3 | Sensors Connected Through Supply Power 3 | 5 | Powertrain |
| P2EA4 | ISO/SAE varattu | 4 | Powertrain |
| P2EC7 | No description available | 3 | Powertrain |
| P3000 | Hybrid/EV battery DC charging communication gateway module stuck on | 22 | Powertrain |
| P3001 | Engine torque comparison (signal compare failure) | 18 | Powertrain |
| P3002 | Engine speed (plausibility check for engine speed) | 17 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.