DTC P0141 O2 Sensor Heater Circuit (Bank1 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.
Refer to DTC P0037 for diagnostic procedure. Refer to , DTC P0037 HO2S HEATER CONTROL CIRCUIT LOW (BANK 1 SENSOR 2) , Diagnostic Procedure with Diagnostic Trouble Code (DTC).