DTC P0161 O2 Sensor Heater Circuit (Bank2 Sensor2)
WARNING: This page is about a different car, the 2012 Subaru Outback and 2012 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Refer to DTC P0057 for diagnostic procedure. Refer to
, DTC P0057 HO2S HEATER CONTROL CIRCUIT LOW (BANK 2 SENSOR 2) , Diagnostic Procedure with Diagnostic Trouble Code (DTC).