Why does my tranny slip only when it is cold?

Why does my tranny slip only when it is cold?

Added (1). I have a 1997 Honda Accord 4 speed auto with the engine having about 225k and the tranny having <90k. This only happens when the engine is cold. Once it gets warm, it shifts like a dream.

Hi here we go again expecting wonders out of a 17 year old car designed to last 8 years. Well kiddo that is one main reason why it is now having problems mileage and age.

Needs rebuilt the rubber lip seals in the transmission is the problem. Once fluid is hot the rubber is softened enough to apply the pistons