Transmission codes P0766 and P0771 solenoid

Tiny
MURRAYGWJR
  • MEMBER
  • 2005 TOYOTA HIGHLANDER
  • 3.3L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 120,000 MILES
Tightened battery cable and only 0766 code appears but overdrive is gone. Any recommendations welcome. Thanks.
Friday, March 5th, 2021 AT 2:09 PM

1 Reply

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
There are a few things that could cause this issue as it is basically is saying that the commanded gear is not actually going into this gear.

So we need to run through this testing and find out what is causing it. Unfortunately it is not the easiest testing or repair if this is a shift solenoid or valve body but we can work through it.

Let me know if you have questions. Thanks
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Saturday, March 6th, 2021 AT 5:18 PM

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