Originally Posted by SleepNMnky
Just an FYI - if you haven't gotten a letter from Subaru yet, certain PZEV models ('12 Imprezas, '11 & '12 Outbacks, may affect other models) have a recall of sorts. There's an ECM reflash to update the software having to do with the OBDII & engine coolant thermostat. Don't know what build dates are effected, but the letter lists states where this applies & they are PZEV states so it may be limited to earlier build PZEVs.
SleepnMnky' I started a thread on this, check it out.