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trouble reading with oft
Hey guys. I bought a new oft v2 for my used 2016 FRS. Everything is fine running up to the point after I click read. It gives me an oftcode 10003 which has lead me to believe that the ecu is locked by a previous tune. I tried taking the car to the toyota dealership and they said the ecu hasn't been touched by the previous owner and that they were able to access the ecu fine. I'm able to receive the real time diagnostics and ECU info. I tried the process multiple times checking for secure connections but I keep getting the same results. Any help or suggestions would be great!
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