Subaru fault codes
3,683 codes · 317 vehicle records · 0 ECU records · 0 live-data parameters
Codes 3,683
| Code | Description | Brands | System |
|---|---|---|---|
| P2149 | Fuel Injector Group B Supply Voltage Circuit/Open | 36 | Powertrain |
| P2150 | Fuel Injector Group B Supply Voltage Circuit Low | 31 | Powertrain |
| P2151 | Fuel Injector Group B Supply Voltage Circuit High | 35 | Powertrain |
| P2158 | Vehicle Speed Sensor B | 27 | Powertrain |
| P215A | Vehicle Speed Wheel Speed Correlation | 24 | Powertrain |
| P2183 | Engine Coolant Temperature Sensor 2 Circuit Range/Performance | 33 | Powertrain |
| P2184 | Engine Coolant Temperature Sensor 2 Circuit Low | 33 | Powertrain |
| P2185 | Engine Coolant Temperature Sensor 2 Circuit High | 33 | Powertrain |
| P2195 | The upstream oxygen is too lean when accelerating and enriching it. | 42 | Powertrain |
| P2196 | O2 Sensor Signal Biased/Stuck Rich (Bank 1 Sensor 1) | 42 | Powertrain |
| P2197 | O2 Sensor Signal Biased/Stuck Lean (Bank 2 Sensor 1) | 38 | Powertrain |
| P2198 | Oxygen (Lambda) sensor B2 S1: signal too high (rich) | 35 | Powertrain |
| P219A | Bank 1 Air-Fuel Ratio Imbalance | 17 | Powertrain |
| P219B | Bank 2 Air-Fuel Ratio Imbalance | 17 | Powertrain |
| P219C | Cylinder 1 air-fuel ratio imbalance | 19 | Powertrain |
| P219D | Cylinder 2 air-fuel ratio imbalance | 19 | Powertrain |
| P219E | Cylinder 3 air-fuel ratio imbalance | 19 | Powertrain |
| P219F | Cylinder 4 air-fuel ratio imbalance | 19 | Powertrain |
| P21A0 | Cylinder 5 air-fuel ratio imbalance | 18 | Powertrain |
| P21A1 | Cylinder 6 air-fuel ratio imbalance | 18 | Powertrain |
| P2200 | NOx Sensor Circuit Bank 1 | 33 | Powertrain |
| P2205 | NOx Sensor Heater Control Circuit/Open (Bank 1 Sensor 1) | 27 | Powertrain |
| P220E | NOx sensor heater control circuit range/performance bank 1 sensor 1 | 13 | Powertrain |
| P220F | NOx sensor heater control circuit range/performance bank 1 sensor 2 | 11 | Powertrain |
| P2226 | Barometric Pressure Sensor A Circuit | 37 | Powertrain |
| P2227 | Barometric pressure sensor A circuit range/performance | 35 | Powertrain |
| P2228 | Barometric Pressure Sensor A Circuit Low | 42 | Powertrain |
| P2229 | Short circuit to positive or line break | 42 | Powertrain |
| P2257 | Air system control 'A' circuit low | 30 | Powertrain |
| P2258 | Air system control 'A' circuit high | 30 | Powertrain |
| P225C | NOx Sensor Performance - Signal Biased/Stuck High (Bank 1 Sensor 1) | 17 | Powertrain |
| P225E | NOx Sensor Performance - Signal Biased/Stuck High (Bank 1 Sensor 2) | 15 | Powertrain |
| P226B | Turbocharger/Supercharger A Boost Pressure Too High - Mechanical | 28 | Powertrain |
| P226D | Particulate Filter Deteriorated/Missing Substrate (Bank 1) | 27 | Powertrain |
| P2270 | O2 Sensor Signal Biased/Stuck Lean (Bank 1 Sensor 2) | 38 | Powertrain |
| P2271 | O2 Sensor Signal Biased/Stuck Rich (Bank 1 Sensor 2) | 37 | Powertrain |
| P2272 | Rich-mixture voltage not reached | 37 | Powertrain |
| P2273 | Lean-mixture voltage not reached | 36 | Powertrain |
| P2288 | Injector control pressure too high | 28 | Powertrain |
| P2290 | Injector control pressure too low | 23 | Powertrain |
| P229E | NOx Sensor Circuit (Bank 1 Sensor 2) | 17 | Powertrain |
| P22A3 | NOx sensor heater control circuit/open bank 1 sensor 2 | 13 | Powertrain |
| P2401 | Short circuit to negative or open circuit | 33 | Powertrain |
| P2402 | EVAP System Leak Detection Pump Control Circuit High | 35 | Powertrain |
| P2404 | EVAP system leak detection pump sense circuit range/performance | 30 | Powertrain |
| P2413 | EGR System Performance | 32 | Powertrain |
| P2419 | The control circuit voltage of the oil and gas isolation valve in the evaporation system is low. | 28 | Powertrain |
| P2420 | Short circuit to positive | 28 | Powertrain |
| P2421 | EVAP system vent valve stuck open | 29 | Powertrain |
| P2422 | Fuel evaporation system ventilation solenoid clogged | 30 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.