Possible causes – Low transmission fluid level– Dirty transmission fluid– Shift solenoids– Transmission mechanical problems– Transmission hydraulic control circuit Tech notes Start by inspecting the transmission fluid level and condition, and change fluid if necessary. When is the code detected?

Possible causes – Low transmission fluid level– Dirty transmission fluid– Shift solenoids– Transmission mechanical problems– Transmission hydraulic control circuit Tech notes Start by inspecting the transmission fluid level and condition, and change fluid if necessary. When is the code detected?

Possible causes – Low transmission fluid level– Dirty transmission fluid– Shift solenoids– Transmission mechanical problems– Transmission hydraulic control circuit Tech notes Start by inspecting the transmission fluid level and condition, and change fluid if necessary. When is the code detected?

Possible causes – Missing Fuel cap– Incorrect fuel filler cap used– Fuel filler cap remains open or fails to close– Foreign matter caught in fuel filler cap– Incorrect fuel tank vacuum relief valve Tech notes The P0441 code means that

Possible causes – Missing fuel filler cap– Incorrect fuel filler cap used– Fuel filler cap remains open or fails to close– Foreign matter caught in fuel filler cap When is the code detected? EVAP control system has a very large

Possible causes – Missing or loose fuel cap– Incorrect fuel filler cap used– Fuel filler cap remains open or fails to close– Foreign matter caught in fuel filler cap– EVAP canister or fuel tank leaks– EVAP system hose leaking– Fuel

Possible causes – Missing or loose fuel cap– Incorrect fuel filler cap used– Fuel filler cap remains open or fails to close– Foreign matter caught in fuel filler cap– Evaporative Emission (EVAP) canister or fuel tank leaks– Evaporative Emission (EVAP)

Possible causes – Open or short circuit condition– Poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– No or hard engine start situation

Possible causes – Open or short cooling fan 1 relay circuit– Faulty low speed radiator fan relay– Faulty electric fan Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Radiator fan inoperative– Possible engine overheating

Possible causes – Open or short cooling fan 2 relay circuit– Faulty low speed radiator fan relay– Faulty electric fan Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Radiator fan inoperative– Possible engine overheating

Possible causes – Open or short cooling fan 2 relay circuit– Faulty low speed radiator fan relay– Faulty electric fan Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Radiator fan inoperative– Possible engine overheating

Possible causes – Shorted or open circuit within Transmission Control Module (TCM)– Faulty Transmission Control Module (TCM) Tech notes Since the P0700 is just and informative code, check the TCM for more codes to resolve the problem. Symptoms – Engine

Possible causes – Shorted sensor– Shorted circuit condition– Faulty Engine Control Module (ECM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

Possible causes – Three way catalyst converter Bank 1– Exhaust tube– Intake air leaks– Fuel injectors may be faulty– Fuel injector leaks– Spark plugs may be faulty– Improper ignition timing– Engine Control Module (ECM) Tech notes As the code description

Possible causes – Air pump fuse– Vacuum hose– Air pump assembly– Faulty Pressure Sensor– Air pump harness is open or shorted– Air pump circuit poor electrical connection– Pressure Sensor harness is open or shorted– Pressure Sensor circuit poor electrical connection

Possible causes – Exhaust leak near rear O2 sensor– Faulty rear O2 sensor– Fuel contamination Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2097 SUBARU Description The ECM has detected a fault with the downstream O2 sensor

Possible causes – Faulty Air Injection System Diagnosis Solenoid Valve– Air Injection System Diagnosis Solenoid Valve harness is open or shorted– Air Injection System Diagnosis Solenoid Valve circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon

Possible causes – Faulty Atmospheric Pressure Sensor– Atmospheric Pressure Sensor harness is open or shorted– Atmospheric Pressure Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

Possible causes – Faulty Atmospheric Pressure Sensor– Atmospheric Pressure Sensor harness is open or shorted– Atmospheric Pressure Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

Possible causes – Faulty electric throttle control actuator (TP sensor 1 and 2)– Throttle Position Sensor harness is open or shorted– Throttle Position Sensor circuit poor connection– Faulty accelerator pedal position sensor Symptoms – Engine Light ON (or Service Engine