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Discussion Starter · #1 ·
3 times this code (P0770???)popped up while I drove from FL to MD. I cleared it every time, I had code reader. No problems with transmission.
I have lots of tools with me and ramps. It looks like I will stay in MD until the problem solved. I don't want transmission to die half-way to Florida.
Any suggestions? Thanks.
 

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マズダスピード3
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The solenoid is gunked up. You'll need to drop the transmission pan to clean it up.

You don't have any hard shifting or clunking noises from the transmission?
 

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Discussion Starter · #3 ·
Thhanks!
No hard shifting or any other problems.

My manual says there are 2 transmissions
  • 2000-2005 Toyota Celica Matrix U240E Automatic Transmission Manual
  • 2003-2005 Toyota Matrix U341F Automatic Transmission Manual
  • I need to know which one I have 03 Matrix XR FWD
  • then I need to figure out which solenoid it is to clean right one.
  • Shift solenoid ”E” (SR)
 

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Discussion Starter · #4 · (Edited)
My plan:
1. Remove pan and filter
2.remove solenoids, which can be removed w/o taking off valve body.
3,test all solenoids applying 12v and clean removed ones with brake fluid (???)
Solenoids, manual mentions 7 solenoids:
A S1/SL1
B S2/SL2
C S3
D SLT
E SR
Torque converter SL/DSL
Shift timing ST
 

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マズダスピード3
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There's a cert label in the driver's side door jamb. Lower left corner.

You have a good direction to go with.

Most issues I have read has been solenoid B.
 
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