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International Automotive Technicians Network
Re: trans control problem tcc kicks out after 10 to 15 min
Posted to Technical Discussion Forum on 3/23/2004

Hi Don,

What's your coolant temp doing on the highway?

I had this condition in an older GM with a TH125 tranny. It turned out to be a stuck open thermostat. After 5-10 minutes of steady highway speed the coolant temp would drop below the lower limit for TC... Login to read more.