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Transmission moving forward instead of backward?

Tiny
BLESSING EWOBOR
  • MEMBER
  • 2015 TOYOTA CAMRY
  • V6
  • 2WD
  • AUTOMATIC
  • 265,321 MILES
Hello,

Good morning, sirs, according to the vehicle's owner, the vehicle was placed in reverse one evening, the vehicle was moving forward instead of backward. It was a great concern. The vehicle was scanned and there were no codes on the transmission. The transmission fluid level and transmission fluid quality were checked, and it was okay. The transmission is U660 transmission. Transmission has been reset.
What could be the cause?
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Friday, March 3rd, 2023 AT 7:55 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,924 POSTS
This transmission is electronically controlled but it could be a valve body issue or the TCN has gone bad, but we should do a CAN scan to see what's going on. You can get a CAN scanner (Controller Area Network) from Amazon.

Here is a video to show you how:

https://youtu.be/u-4syLc-ifQ

and

https://www.2carpros.com/articles/can-scan-controller-area-network-easy

Here is how to change out the TCM in case you need it in the images below.
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Saturday, March 4th, 2023 AT 9:34 AM

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