My 1999 C-230K hesitates after a cold start and the transmission shifts roughly from gears 1 to 2 and 2 to 3 during the warming up. I understand there is a bulletin number: 22992 or NHTSA number: 606293 that talks about this, but I don’t know where to find information concerning this. If anyone can shed a light on this subject I would greatly appreciate it. Any suggestion or comment will be welcome.
Thanks in advance.

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1999 C230 Kompressor Sport
2002 Toyota Camry