2004 Tahoe ABS and throttle by wire problems....

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Algon

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Hello all, hoping someone here can help me. I have a 2004 Tahoe 2wd. Recently started to get an ABS shudder at low speeds just as it comes to a stop. No ABS or traction control lights on dash and no ABS codes stored. Weird part is after this happens when I go to take off while still in drive there is no throttle response. I mean none like the pedal is not connected. When I pop it in into neutral it revs up fine. Put it back into drive and nothing. Now if I put it in park and then down to drive it will accelerate and moves the vehicle forward one again ...until the next application of brakes when the whole cycle starts again.
I have pulled the ABS 60A fuse to disable the system and the all the problems go away. Truck brakes fine shifts fine and now of course I have ABS and T/C lights on the dash and no ABS.
I am surprised that possible failure/problems in the ABS system can cause a shutdown of the throttle by wire circuit? I have tried replacing both front wheel speed sensors but problem still persists. Anyone ever hear of such a problem? Did a lot of searches before posting this and I could not find anything where ABS and loss of throttle occurred together.
 

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