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Posted

:) FINALLY!

My dealer just installed a tranny hesitation fix (TC4006 or TC006-04) that finally seems to cure the low speed hesitation in my 2004 LS430!! I'm still keeping my fingers crossed, but so far all my tests have been positive. Has anyone else had this upgrade applied?

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Posted

:) FINALLY!

My dealer just installed a tranny hesitation fix (TC4006 or TC006-04) that finally seems to cure the low speed hesitation in my 2004 LS430!! I'm still keeping my fingers crossed, but so far all my tests have been positive. Has anyone else had this upgrade applied?

I have the same car as you.......'04/430/Moonlight Pearl, and I had a very definite, very annoying problem with the transmission lag/hesitation/whatever you wish to call it.... Notwithstanding several posts on this site that "it's just a Lexus.......I needed to adapt my driving...etc etc.", I kept bugging the dealership for a fix.......... Finally, the 'fix' arrived that you identified, and I have had no problem since it was installed over a year ago. Interestingly, they now admit there WAS a problem which needed a fix. :cheers:

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