Proton fault codes
8,866 codes · 50 vehicle records · 175 ECU records · 0 live-data parameters
Codes 8,866
| Code | Description | Brands | System |
|---|---|---|---|
| P1130 | Lack of HO2S Switch - Adaptive Fuel At Limit (Bank 1) | 35 | Powertrain |
| P1131 | Lack of HO2S Switch - Sensor Indicates Lean (Bank 1) | 35 | Powertrain |
| P1132 | Lack of HO2S Switch - Sensor Indicates Rich (Bank 1) | 30 | Powertrain |
| P1133 | HO2S Insufficient Switching (Bank 1 Sensor 1) | 29 | Powertrain |
| P113A | NO. 315 battery voltage sampling wire loop fault | 15 | Powertrain |
| P113B | NO. 316 battery voltage sampling wire loop fault | 14 | Powertrain |
| P113C | NO. 317 battery voltage sampling wire loop fault | 14 | Powertrain |
| P113D | Intake air preheating Flange: electrical malfunction | 11 | Powertrain |
| P113E | Intake air preheating Flange: over-temp; Defective | 11 | Powertrain |
| P1140 | DME: Plausibility fault, air mass to pedal-tr. sensor (in eng.thr.) | 28 | Powertrain |
| P1141 | Load calculation cross check range/performance | 25 | Powertrain |
| P1142 | Fuel restriction condition | 21 | Powertrain |
| P1143 | Signal does not drop below threshold | 28 | Powertrain |
| P1145 | Intake variable timing position sensor (bank 2) | 26 | Powertrain |
| P1146 | Heated O2 Sensor 2 | 23 | Powertrain |
| P1148 | Oxygen control (bank 2) system too rich | 24 | Powertrain |
| P1149 | Signal does not drop below threshold | 18 | Powertrain |
| P114A | Alternative fuel trim system lean at cruise or acceleration bank 1 | 11 | Powertrain |
| P114B | NO. 332 battery voltage sampling wire loop fault | 10 | Powertrain |
| P114C | Alternative fuel trim system lean at cruise or acceleration bank 2 | 11 | Powertrain |
| P114D | Alternative fuel trim system rich at cruise or acceleration bank 2 | 11 | Powertrain |
| P114E | NO. 335 battery voltage sampling wire loop fault | 11 | Powertrain |
| P114F | NO. 336 battery voltage sampling wire loop fault | 4 | Powertrain |
| P1150 | Wastegate control solenoid valve fault (bank 1) | 26 | Powertrain |
| P1151 | Lack of HO2S Switch - Sensor Indicates Lean (Bank 2 Sensor 1) | 28 | Powertrain |
| P1152 | Lack of HO2S Switch - Sensor Indicates Rich (Bank 2 Sensor 1) | 27 | Powertrain |
| P1153 | Short circuit to positive | 25 | Powertrain |
| P1157 | Short circuit to positive | 22 | Powertrain |
| P1158 | Mixture too rich | 23 | Powertrain |
| P1159 | Mixture too lean | 22 | Powertrain |
| P115A | Low fuel level - forced limited power | 7 | Powertrain |
| P115B | Low fuel level - forced engine shutdown | 7 | Powertrain |
| P115C | TCM unable to process driver input - forced engine shutdown | 7 | Powertrain |
| P115D | Mass air flow (MAF) circuit offset | 7 | Powertrain |
| P115E | Oxygen reference voltage circuit (NOx sensor 1) | 12 | Powertrain |
| P115F | Control box fan circuit | 11 | Powertrain |
| P1160 | Mixture too rich | 25 | Powertrain |
| P1161 | Mixture too lean | 26 | Powertrain |
| P1162 | Fuel temperature sensor circuit short to ground | 20 | Powertrain |
| P1163 | Injector control | 27 | Powertrain |
| P1164 | Fuel temperature sensor range/performance/incorrect signal | 24 | Powertrain |
| P1165 | Inlet vortex valve vacuum control switch | 19 | Powertrain |
| P1166 | Bank 1, long term fuel trim, range 2 rich limit exceeded | 25 | Powertrain |
| P1167 | Heater coupling to signal | 29 | Powertrain |
| P1168 | Fuel tank temperature sensor low input | 23 | Powertrain |
| P1169 | Heater coupling to signal | 25 | Powertrain |
| P116A | Fuel stepper motor control 1 circuit open | 12 | Powertrain |
| P116B | Fuel stepper motor control 1 circuit short | 12 | Powertrain |
| P116C | Fuel stepper motor control 2 circuit open | 12 | Powertrain |
| P116D | Fuel Stepper Motor Control 2 Circuit Short | 11 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.