Proton fault codes
8,866 codes · 50 vehicle records · 175 ECU records · 0 live-data parameters
Codes 8,866
| Code | Description | Brands | System |
|---|---|---|---|
| P116E | Fuel Pressure Relief Valve Activated | 11 | Powertrain |
| P1170 | Capacitor 2 voltage | 28 | Powertrain |
| P1171 | Fuel System Lean During Acceleration | 31 | Powertrain |
| P1172 | Fuel System Rich During Acceleration | 23 | Powertrain |
| P1173 | Learning unsuccessful | 19 | Powertrain |
| P1174 | Cam Sensor Fault | 21 | Powertrain |
| P1175 | Pre-Injection Turned Off | 22 | Powertrain |
| P1176 | Bank1: O2 (Lambda) Correction Behind Catalyst: Control Limit Reached | 21 | Powertrain |
| P1177 | Bank2: O2 (Lambda) Correction Behind Catalyst: Control Limit Reached | 23 | Powertrain |
| P1178 | DME: Switch time, ox.sensor, bank 1 | 21 | Powertrain |
| P1179 | DME: Switch time, ox.sensor, bank 2 | 21 | Powertrain |
| P117A | Engine Oil Over Temperature - Forced Limited Power | 12 | Powertrain |
| P117B | Air fuel ratio (bank 2) | 9 | Powertrain |
| P117C | behind Cat: Lean control limit exceeded; Upper limit exceeded | 6 | Powertrain |
| P117D | behind Cat: rich control limit exceeded; Cannot be tested at this time | 6 | Powertrain |
| P117E | behind Cat: Lean control limit exceeded; Mechanical failure | 7 | Powertrain |
| P117F | behind Cat: rich control limit exceeded; Lower limit exceeded | 12 | Powertrain |
| P1180 | DME: Jump time, ox.sensor after cat.conv., bank 1 | 27 | Powertrain |
| P1181 | DME: Jump time, ox.sensor after cat.conv., bank 2 | 26 | Powertrain |
| P1182 | Brake circuit vacuum sensor signal failure | 23 | Powertrain |
| P1183 | Vacuum pump sensor failure | 24 | Powertrain |
| P1184 | DME: ACAT sensor, signal after SA, implausible, bank 1 | 24 | Powertrain |
| P1185 | DME: ACAT sensor, signal after SA, implausible, bank 2 | 23 | Powertrain |
| P1186 | DME: Heat output, ox.sensor after cat.conv., bank 1 | 25 | Powertrain |
| P1187 | DME: Heat output, ox.sensor after cat.conv., bank 2 | 23 | Powertrain |
| P1188 | DME: Fuel trim bank 1, permissible range exceeded | 23 | Powertrain |
| P1189 | DME: Fuel trim bank 2, permissible range exceeded | 24 | Powertrain |
| P118A | sensor 1: voltage too low / air leak; Open or short to plus | 12 | Powertrain |
| P118B | sensor 1: voltage too low / air leak; Open circuit | 12 | Powertrain |
| P118C | Oxygen (Lambda) sensor: B3 S2: signal too Lean; Lower limit exceeded | 12 | Powertrain |
| P118D | Oxygen (Lambda) sensor: B3 S2: signal too rich; Mechanical failure | 12 | Powertrain |
| P118E | Oxygen (Lambda) sensor: B4 S2: signal too Lean; No or incorrect basic setting / adaptation | 11 | Powertrain |
| P118F | Oxygen (Lambda) sensor: B4 S2: signal too rich; Short to plus | 11 | Powertrain |
| P1190 | Gas pressure sensor/engine | 32 | Powertrain |
| P1191 | Key line voltage | 31 | Powertrain |
| P1192 | too great in lean range | 33 | Powertrain |
| P1193 | too great in lean range | 28 | Powertrain |
| P1194 | heated oxygen sensor Heater Circuit Resistance Fault | 24 | Powertrain |
| P1195 | EGR Boost Sensor Circuit | 21 | Powertrain |
| P1196 | Oxygen (Lambda) sensor heater circuit: B1 S1: electrical malfunction; Mechanical failure | 22 | Powertrain |
| P1197 | Signal above threshold or short circuit to positive | 22 | Powertrain |
| P1198 | Signal below threshold or short circuit to ground | 21 | Powertrain |
| P1199 | Fuel level input circuit low | 19 | Powertrain |
| P119A | Fuel pressure sensor (G247): malfunction; Open circuit | 14 | Powertrain |
| P119B | Fuel pressure sensor 2: malfunction | 14 | Powertrain |
| P119C | NO. 413 battery voltage sampling wire loop fault | 13 | Powertrain |
| P119D | NO. 414 battery voltage sampling wire loop fault | 12 | Powertrain |
| P119E | NOx sensor 2 signal circuit low voltage | 14 | Powertrain |
| P119F | Engine oil circuit | 15 | Powertrain |
| P11A0 | NO. 417 battery voltage sampling wire loop fault | 6 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.