Thread: code P2721
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Old 12-18-2011, 12:02 PM
j cAT j cAT is offline
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Re: code P2721

Quote:
Originally Posted by mishalah View Post
Hmmmmm....???

Maybe this goes a little deeper. As I left the parts store yesterday I hade a u-turn at the mid-block turnout, and after getting straight I had to accelerate hard for approaching traffic. I took it up to speed (45 on this blvd) quickly and then coasted to the next red light. When I left the light it hesitated noticeably (about a second or two) and then made a soft "clunk" when going into gear. UGH! Now, what? The rest of the way back it didn't do it again, but I think it did have a hesitation on a shift between 1-2 or 2-3 earler in the week....which I ignored as "wandering" a bit due to the TCC issue.

But this pause-clunk really concerns me. Any relation to the TCC issues, or a whole new problem???
with the dtc p0740 you must have 12 volts to the TCC solenoid valve at all times. when the voltage is not there this will throw this code so it starts at the ignition switch and goes to a fuse to the tranny connector to the solenoid...
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