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Transmission shift issue? Where is the torque converter clutch solenoid located?

Tiny
DAVID CHANDLER FARR
  • MEMBER
  • 2010 NISSAN ALTIMA
  • AUTOMATIC
  • 224,000 MILES
I need to know what these codes are and how to fix it! I have attached pictures.
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Saturday, June 10th, 2023 AT 2:50 PM

8 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,616 POSTS
The P1740 code in a 2010 Nissan Altima refers to a problem with the torque converter clutch solenoid circuit. Here is the how to change the valve body out and clear the codes once the repair is complete. Check out the images (below). Please let us know what happens.
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Sunday, June 11th, 2023 AT 1:03 PM
Tiny
DAVID CHANDLER FARR
  • MEMBER
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The unit that is in there is a rebuilt unit and all rebuilt parts so is there a specific part I can buy to put on the valve body?
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Sunday, June 11th, 2023 AT 1:59 PM
Tiny
KEN L
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There might be but our information does not show individual parts, I would contact the dealer to see if they can get parts individually.
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Monday, June 12th, 2023 AT 9:24 AM
Tiny
DAVID CHANDLER FARR
  • MEMBER
  • 24 POSTS
Where is the solenoid converter clutch located the solenoid? Is there a possibility the harness is bad or not making a connection good.
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Friday, June 23rd, 2023 AT 5:54 PM
Tiny
KEN L
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The TCC is located on the valve body, and it will have a LT/BLU wire going to it and it is possible the connection is no good which will cause the malfunction. I would check for power at the fuses in the wiring diagrams below, I have included the transmission wiring diagrams so you can see how the system works. You may have an IPDM going out if there is no power at the fuses.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Check out the images (below). Please let us know what happens.
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Saturday, June 24th, 2023 AT 11:16 AM
Tiny
DAVID CHANDLER FARR
  • MEMBER
  • 24 POSTS
  • 2010 NISSAN ALTIMA
  • AUTOMATIC
  • 224,000 MILES
Where is the torque converter clutch solenoid located?
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Saturday, June 24th, 2023 AT 12:00 PM (Merged)
Tiny
DAVID CHANDLER FARR
  • MEMBER
  • 24 POSTS
Can you explain that diagram please where am I supposed to look?
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Saturday, June 24th, 2023 AT 1:43 PM
Tiny
KEN L
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The part I have a red arrow to is the valve body it will be in there.
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Sunday, June 25th, 2023 AT 11:36 AM

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