Top 30 Subaru OBDII Engine Codes

System Too Lean Bank 1

Intake Valve Control Solenoid Circuit Range/Performance Bank 2

Catalyst System Efficiency Below Threshold

Intake Valve Control Solenoid Circuit Range/Performance Bank 1

HO2S11 Heater Control Circuit Low

Transmission Control System Malfunction

Intake Camshaft Position Timing Over-Advanced Or System Performance Bank 1

System Too Rich Bank 1

ECM Control System

Camshaft Position Sensor 'A' Circuit Signal Fault Bank 1 Or Single Sensor

HO2S12 Heater Control Circuit Low

HO2S 11 Heater Control Circuit

Cylinder 4 Misfire Detected

Vehicle Speed Sensor

Intake Air Temperature Circuit High Input

Post Catalyst Fuel Trim System Too Lean

Cylinder 1 Misfire Detected

Intake Camshaft Position Timing Over-Advanced Or System Performance Bank 2

Cylinder 3 Misfire Detected

Evaporative Emission Control System Malfunction

O2 Sensor Circuit Low Voltage

Automatic Transmission CAN Communication Circuit

Starter Switch Circuit Low Input

Cylinder 2 Misfire Detected

Sunload Sensor Circuit Low/Open

Cooling Fan Rationality Check Malfunction

Mass or Volume Air Flow Circuit Low Input

Serial Communication Link

EVAP System Leak Detected Very Small Leak

Crankshaft Position Sensor 'A' Circuit Signal Fault