NHTSA Complaint #10854633 — 2015 SUBARU WRX

IN A 2015 SUBARU WRX WITH A 6-SPEED MANUAL TRANSMISSION PURCHASED 03/2015 AND DELIVERED TO PURCHASE DEALER 04/2015. REPORTED TO SUBARU DEALER 02/19/2016 A ROUGH IDLE WITH ENGINE RPMS RECORDED BETWEEN 400 AND 1K. ROUGH IDLE TRIPPED A CHECK ENGINE LIGHT AFTER FUELING AND CRUISE CONTROL LIGHT BEGAN FLASHING. DIAGNOSTIC CODE P0420 REPORTED A FAULT IN CATALYTIC CONVERTER. SOFTWARE UPDATE TO COMPUTER PERFORMED RESOLVED ISSUE TEMPORARILY. 04/10/2016 AT 9.7K MILES ROUGH IDLE ISSUE RETURNED RPMS OF 400 TO 1K AGAIN AFTER FUELING. IN NEUTRAL 30-60 SECONDS AFTER STARTING VEHICLE STALLED AT FUEL STATION. UPON RE-STARTING VEHICLE CHECK ENGINE, FLASHING CRUISE CONTROL, ABS, HILL-START ASSIST, AND TRACTION CONTROL FAULTS TRIPPED. VEHICLE BEHAVIOR SIMILAR TO NHTSA RECALL 16V-162 WHERE NHTSA NOTED 'DUE TO THE USE OF INCORRECT MATERIAL FOR A PORTION OF THE ENGINE TURBOCHARGER AIR INTACT DUCT CRACK, THE ENGINE MAY DEVELOP A ROUGH IDLE, REDUCED POWER, AND POSSIBLY STALL'. COMPLAINANT BELIEVES RECALL MAY NEED TO BE EXPANDED TO INCLUDE A WIDER RANGE OF VINS BEFORE LISTED PRODUCTION DATES IN RECALL ORDER.