Code P0732, transmission will not shift into second gear?

Tiny
EL_DERICK
  • MEMBER
  • 2007 FORD FREESTAR
  • 3.8L
  • V6
  • 2WD
  • AUTOMATIC
  • 207,863 MILES
I have gotten a code of P0732, which my car won’t go to second gear it stays in first gear, only goes 25-30 MPH, I have checked the transmission fluid, and it was at its level, and it was clean.
Tuesday, December 17th, 2024 AT 5:16 AM

8 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,137 POSTS
So this can be that 2nd gear is burnt up or you have a weak turbine shaft speed sensor.

P0732 - Gear 2 Incorrect Ratio This code means the transmission control module (TCM) has detected that the ratio of input speed to output speed does not match the expected ratio for 2nd gear.

Here is the location of the sensor so you can swap it out. Check out the images (below). Please let us know what happens.
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Tuesday, December 17th, 2024 AT 12:49 PM
Tiny
EL_DERICK
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  • 8 POSTS
I’ve have changed that sensor and it’s still does the same thing, it won’t change gears.
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Saturday, December 21st, 2024 AT 2:11 PM
Tiny
KEN L
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Hmm, how is the transmission fluid can you tell if it is burnt or not? You may have a bad transmission and it needs to be replaced. After replacing the sensor did you clear the codes?
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Monday, December 23rd, 2024 AT 12:47 PM
Tiny
EL_DERICK
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  • 8 POSTS
Yes, it clear that code but after I scan it pop up some more codes, B2499, U1900-20, U2023-20, B1676-20, and P1000-FF.
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Tuesday, December 24th, 2024 AT 6:28 AM
Tiny
EL_DERICK
  • MEMBER
  • 8 POSTS
Transmission fluid is good not burnt or nothing I was thinking of changing it either way.
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Tuesday, December 24th, 2024 AT 6:29 AM
Tiny
KEN L
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These are battery out of range and communication issues in the CAN and dome light, does this car have modified wiring? Also, can you check the battery voltage? any chance of water damage? Also, with the systems on I would check all fuses.

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

and

https://www.2carpros.com/articles/car-battery-load-test

Please go over these guides and get back to us.
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Tuesday, December 24th, 2024 AT 11:17 AM
Tiny
EL_DERICK
  • MEMBER
  • 8 POSTS
Would any of them codes cause the van not to make gears? But I’m going to go over all that. Thank you.
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Tuesday, December 24th, 2024 AT 1:06 PM
Tiny
KEN L
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  • 54,137 POSTS
These codes will but like I say I would check the battery first which can cause all of these codes.

U1900-20 - CAN Communication Bus Fault - PCM/ABS

U2023-20 - Fault Received from External Node

B1676-20 - Battery Voltage Out of Range

P1000-FF - OBD-II System Checks Incomplete

Let me know :)
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Wednesday, December 25th, 2024 AT 10:23 AM

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