performed diagnostics p1693 bad ocv, took to dealer again, they confirmed

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car was running great, a little bit of a hard shift on start up but once engine warm, then good to go. I took to dealer to have OCV replaced, they called me told me check engine lite off, ocv replaced. issue resolved. pick car up drove shifting harder, hesitation,stereo wouldn't turn up or down, then i had no gears, just coasting. I turned the switch off, restarted and put back into drive. transmission kicked back in and then failed again, I had to turned my car off and coast as far as i could, then restart and the transmission would kick back in. About 10x's before i got it home? Really OCV caused all of this? I was just having it replaced so the check engine lite would stay off. Big mistake. did it short something out to affect my stereo and not engage the trans. yes a toyota dealer put the new oil control valve on What the..... car 10xs worse now. I would have drove it anywhere before this.really disgusted i just paid 7000 for this beautiful GTS. DISGUSTED PLEASE HELP!