ABS / Traction Control / Stabilitrak / Transmission wont shift into 2 or D (4 speed Electronic Auto)

2007 CHEVROLET SILVERADO
145,000 MILES • 5.3L • V8 • 4WD • AUTOMATIC
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SONOFACHEVY
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My dash lit up with ABS/Traction Control/Stabilitrak needs serviced and the transmission will not shift into second or drive. 1st and 3rd are working fine - when I'm driving in 3'rd and I select 2'nd gear, transmission just spins. Pulled the codes and have C0045 and C0050. I have a feeling I may just have a bad connector somewhere and that everything is related (I hope). Any idea where some common connectors may be?

Thanks
Jun 7, 2014 at 6:08 AM
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HMAC300
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that is left and right wheel speed sensors check to see if the sensor are any good or a wire/connector was pulled off.

Here is a video to help you run the codes.

https://youtu.be/rTtAnsOlZU4
Jun 7, 2014 at 6:18 AM
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SONOFACHEVY
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Yes - I did find that the codes are for the wheel sensors - just find it odd that both can go bad at the same time. And with the shifting issue, I don't believe the sensors would cause that - but I could be wrong.
Jun 7, 2014 at 8:34 AM
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HMAC300
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being in the back something cold have hit the connector and caused this it cold be something else but the wires in sensors are very fine and are easily damaged.
Jun 7, 2014 at 7:05 PM
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SILVERADOCHEVY2007
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Sonofachevy, did you ever figure out this issue? My pickup is doing same issue.
Nov 6, 2018 at 2:27 AM
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SONOFACHEVY
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Yes. Needed trany rebuilt :( cost me $1800.00
Nov 6, 2018 at 2:51 AM
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SILVERADOCHEVY2007
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Not what I wanted to hear but thanks for letting me know
Nov 6, 2018 at 5:24 AM