
The catalytic converter is installed in the exhaust system. It serves as a catalyst to reduce HC, CO and NOx in exhaust gases, thus providing cleaner exhaust.
To avoid damage to the catalytic converter:
. Keep your engine tuned-up. If you feel the engine running rough (misfiring, backfiring or incomplete combustion), have your vehicle checked and repaired by an authorized SUBARU dealer.
WARNING
The exhaust gas is very hot.
Engine exhaust gas (carbon monoxide)
Periodic inspectionsDtc b1574 key communication
IMMOBILIZER (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC B1574 KEY COMMUNICATIONDTC DETECTING CONDITION:Communication failure between key and body integrated unitCAUTION:When the body integrated unit is replaced, registration of the immobilizer system is required. Fo ...
Dtc p0517 battery temperature sensor circuit high
ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC P0517 BATTERY TEMPERATURE SENSOR CIRCUIT HIGHDTC detecting condition:Immediately at fault recognitionCAUTION:After servicing or replacing faulty parts, perform Clear Memory Mode Clear Memory Mode > OPERATI ...
Air filtration system
The Subaru Ascent is equipped with an advanced air filtration system integrated
into the climate control unit, designed to improve cabin air quality by capturing
dust, pollen, and other airborne particles.
To maintain optimal performance of the Subaru Ascent air conditioning and ventilation
s ...