DTC P0141 O2 Sensor Heater Circuit (Bank 1 Sensor 2)
WARNING: This page is about a different car, the 2012 Subaru Forester. 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). >