NHTSA Complaint #11326881 — 2015 SCION TC

POWER TRAIN issue reported to NHTSA

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Complaint Details

ODI Number	11326881
Vehicle	2015 SCION TC
Component	POWER TRAIN
Date of Incident	December 1, 2019
Date Filed	June 1, 2020
Mileage	17,000 miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	CA

Consumer Description

MY 2015 SCION TC AUTOMATIC HAS ROUGH SHIFT POINTS, ROUGH IDLE AT STOP SIGNS. THE SCION FRS HAS THE SAME ISSUES AND TOYOTA ISSUES A TSB FOR SHIFT ENHANCEMENT THAT FIXED THEIR TRANSMISSION ROUGH SHIFTS AND ROUGH IDLE. I'M HOPING THAT SCION OR TOYOTA ARE LISTENING AND WE NEED THIS FIX TOO! RESETTING THE COMPUTERS BY DISCONNECTING THE BATTERY FIXES THE ISSUE TEMPORARILY, SINCE THIS IS A 'LEARNING' TRANSMISSION, IT ALWAYS SEEMS TO DEFAULT AND STARTS TO SHIFT ROUGH, SHIFT TOO OFTEN OR BACK TO BACK EVEN IN CITY DRIVING. IT'S GEAR HUNTING AND I'M SO SICK OF IT. TOYOTA SAID THEY CAN'T FIND ANYTHING WRONG, I DID A TRANSMISSION DRAIN AND FILL WITH TOYOTA THINKING IT WOULD FIX THE ISSUE AND IT NEVER DID. IT'S THE ECU OR TCM, WE NEED THE UPDATE JUST LIKE YOU GUYS DID FOR THE FRS AND YOU FIXED THOSE ISSUES! SO PLEASE FIX OURS! THESE ROUGH SHIFTS ARE ANNOYING. I ONLY HAVE 25K MILES ON MY TC SO IT CAN'T BE THE TRANSMISSION, IT'S THE COMPUTERS, PLEASE SEND OUT A NEW FIRMWARE TO FIX THIS! *TR

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