Transmission code P0780?

Tiny
BETSY05
  • MEMBER
  • 2005 HONDA ACCORD
  • 3.0L
  • V6
  • 2WD
  • AUTOMATIC
  • 245,000 MILES
Could you give me any advice at all speed sensor lock up solenoid? Anything helps, it's our only car and I'm losing work every day I'm not going to be able to get out of this hole if I can't fix this ASAP.
Thursday, July 6th, 2023 AT 11:17 AM

1 Reply

Tiny
MATHGEN
  • MECHANIC
  • 128 POSTS
The P0780 code you are getting is a shift control fault. The first thing you should do is to change the transmission fluid. You will want to inspect the old fluid for any metal debris or other signs of contamination. After you have changed the fluid, clear the code and drive the vehicle. Hopefully this solve your issue as the fresh fluid may free up a sticking shift valve. Try that and please let me know how it goes.
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Friday, July 7th, 2023 AT 10:20 AM

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