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About mikem89

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  1. I have a situation with a 2008 Silverado 4.3 with 4l60e behind it with 92k on it. Got p0700 and p2769 codes. Driving along and out of no where hard shifting starts. Did a entire new valvebody harness with new TCC solenoid as well as new filter and ATF. Seems to have made no difference and there is no consistency in when the hard shifting and code begins. Is there any further information on how this can be solved or a direction to go? At this point I feel it is safe to say it is not a harness short within the trans. I'm leaning toward a short in the chassis harness or the trans plug itself is not making a good connection because of cold temperature. I hate to throw parts at something without understanding what the actual issue is stemming from. Any help is appreciated.
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