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Will not shift out of first gear and dash does not show change

Tiny
DONOVANGIBSON
  • MEMBER
  • 2004 HONDA CIVIC
  • 1.7L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 179,000 MILES
Blown engine swapped out with a replacement, original transmission on new engine. Swap went okay, it runs fine.

It shifts into P, N, R, D, D3, and 2 just fine. However, when in drive, it does not leave first gear. The dash does not show any changes in shifting, it just shows as park. Code read a bad shift solenoid B, replaced it, still same issue.
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Wednesday, October 24th, 2018 AT 3:07 PM

5 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,904 POSTS
Hello,

It sounds like the gear range sensor is not working right but we should run the codes to see what come up.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Here is the sensor location so you can check it out. I would remove the connector to check for corrosion. Check out the diagrams (Below). Please let us know what you find.
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Friday, October 26th, 2018 AT 10:47 AM
Tiny
DONOVANGIBSON
  • MEMBER
  • 3 POSTS
The only code that has come up is a bad Shift Solenoid B and it was replaced.
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Friday, October 26th, 2018 AT 6:30 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,904 POSTS
Can I get the code number to see if it was a circuit issue or? Lets do a wiring check in the meantime. Check the B solenoid wiring.

https://www.2carpros.com/articles/how-to-check-wiring

Check out the diagrams (Below). Please run this test and get back to us.

Cheers, Ken
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Saturday, October 27th, 2018 AT 10:46 AM
Tiny
DONOVANGIBSON
  • MEMBER
  • 3 POSTS
Thank you Ken, very much! We didnt know how to properly install the gear range sensor/ neutral safety switch. Got a new one just to make sure we had a good part, got it aligned, and it works flawlessly. My uncle said thank you a hundred times!
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Saturday, October 27th, 2018 AT 2:33 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,904 POSTS
Nice work, we are here to help, please use 2CarPros anytime.

Cheers, Ken
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Sunday, October 28th, 2018 AT 10:48 AM

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