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

Tiny
SONOFACHEVY
  • MEMBER
  • 2007 CHEVROLET SILVERADO
  • 5.3L
  • V8
  • 4WD
  • AUTOMATIC
  • 145,000 MILES
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
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Saturday, June 7th, 2014 AT 6:08 AM

6 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
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
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Saturday, June 7th, 2014 AT 6:18 AM
Tiny
SONOFACHEVY
  • MEMBER
  • 3 POSTS
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.
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Saturday, June 7th, 2014 AT 8:34 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
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.
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Saturday, June 7th, 2014 AT 7:05 PM
Tiny
SILVERADOCHEVY2007
  • MEMBER
  • 2 POSTS
Sonofachevy, did you ever figure out this issue? My pickup is doing same issue.
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Tuesday, November 6th, 2018 AT 2:27 AM
Tiny
SONOFACHEVY
  • MEMBER
  • 3 POSTS
Yes. Needed trany rebuilt :( cost me $1800.00
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Tuesday, November 6th, 2018 AT 2:51 AM
Tiny
SILVERADOCHEVY2007
  • MEMBER
  • 2 POSTS
Not what I wanted to hear but thanks for letting me know
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Tuesday, November 6th, 2018 AT 5:24 AM

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