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Discussion Starter · #1 ·
I have been fixing all four of the SES codes over the past coupe of weeks.
Now I am moving on to the Trans.
Symptoms: before fixing the engine code problems. I was experiencing weird shifting. when the trans shift from 2nd to 3rd (@ 25 mph) the engine would lug every time time. and the torque converter locks when driving on the freeway.
Now that I have take care of the engine codes the trans will sometimes shift nicely and go through the gears, but on the freeway, the trans. will NOT lock the Torque converter. I can tell the torque converter is no locking because I experience higher rpms on the freeway.

Is it the Torque Converter Control switch?
if it is the TCC, can I replace the switch w/o removing the trans or anything major items?
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