Proton fault codes
8,866 codes · 50 vehicle records · 175 ECU records · 0 live-data parameters
Codes 8,866
| Code | Description | Brands | System |
|---|---|---|---|
| P1279 | Control sleeve sensor circuit range/performance | 19 | Powertrain |
| P127A | Cell monitor IC1 cell voltage A/D convert malfunction | 12 | Powertrain |
| P127B | Cell monitor IC2 cell voltage A/D convert malfunction | 12 | Powertrain |
| P127C | Fuel pump control circuit 2 low | 13 | Powertrain |
| P127D | Fuel pump control circuit 2 high | 12 | Powertrain |
| P127E | Cylinder 8 Injector Input Circuit | 10 | Powertrain |
| P127F | Vhodno vezje brizgalke valja 9 | 10 | Powertrain |
| P1280 | ICP Circ Out of Range Low | 17 | Powertrain |
| P1281 | Engine is Cold Too Long | 21 | Powertrain |
| P1286 | Fuel injection air control valve circuit short to battery (+) | 29 | Powertrain |
| P1287 | Turbocharger bypass valve open | 25 | Powertrain |
| P1288 | Cylinder head temperature sensor out of self-test range | 24 | Powertrain |
| P1289 | Turbocharger bypass valve short to ground | 24 | Powertrain |
| P128A | Fuel rail pressure sensor 1 internal performance | 13 | Powertrain |
| P128B | Vhodno vezje brizgalke valja 10 | 11 | Powertrain |
| P128C | 4-2 NG: appears to be faulty | 11 | Powertrain |
| P128D | 2-2 NG: appears to be faulty | 11 | Powertrain |
| P1290 | Cold start fuel pressure too high (bank 1) | 26 | Powertrain |
| P1291 | Coolant temp sensor at radiator outlet (G83): signal too large; Open or short to ground | 21 | Powertrain |
| P1292 | Cold start fuel pressure too low (bank 1) | 23 | Powertrain |
| P1293 | Injector circuit low to high current transition time bank 1 | 22 | Powertrain |
| P1294 | Target Idle Not Reached | 18 | Powertrain |
| P1295 | No 5Vs to Throttle Pos Sens | 15 | Powertrain |
| P1296 | Error in Mapped Cooling System | 20 | Powertrain |
| P1297 | Pressure drop between turbo and throttle valve (check D.V.!) | 29 | Powertrain |
| P1298 | Injector driver module failure | 16 | Powertrain |
| P1299 | Cylinder Head Over Temperature Protection Active | 18 | Powertrain |
| P129A | Bank 1 camshaft 1 lock position | 7 | Powertrain |
| P129B | bank 2 (N276): open circuit; Defective | 13 | Powertrain |
| P129E | Crash switch | 11 | Powertrain |
| P12A1 | Fuel Pump Driver Control Module Fuel Pump Speed Circuit High Duty Cycle | 12 | Powertrain |
| P12A2 | Fuel pump driver control module fuel pump speed circuit performance | 12 | Powertrain |
| P12A3 | Fuel Pump Driver Control Module Enable Circuit | 10 | Powertrain |
| P12A4 | Fuel Pump Driver Control Module Enable Circuit Low Voltage | 11 | Powertrain |
| P12A5 | Fuel pump driver control module enable circuit high voltage | 11 | Powertrain |
| P12A7 | No.3 cylinder injection low | 10 | Powertrain |
| P12A8 | Fuel pump control status signal message counter incorrect | 11 | Powertrain |
| P12AA | Cylinder 1 Alternative Fuel Injector High Control Circuit Low Voltage | 10 | Powertrain |
| P12AB | Cylinder 1 alternative fuel injector high control circuit high voltage | 10 | Powertrain |
| P12B3 | Cylinder 1 injection timing retarded | 10 | Powertrain |
| P12B4 | Cylinder 1 injection timing advanced | 10 | Powertrain |
| P1300 | Boost calibration fault | 35 | Powertrain |
| P1301 | Boost calibration high | 34 | Powertrain |
| P1302 | Boost calibration low | 32 | Powertrain |
| P1303 | Knock adjustment failure | 28 | Powertrain |
| P1304 | Speed limit | 25 | Powertrain |
| P1305 | Igniter circuit #2 | 29 | Powertrain |
| P1306 | Kickdown relay pull-in circuit | 26 | Powertrain |
| P1307 | Kickdown Relay Hold Circ | 18 | Powertrain |
| P1308 | A/C Clutch Circuit Fault | 19 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.