Service transmission warning

Tiny
ESM1980
  • MEMBER
  • 1996 CADILLAC DEVILLE
  • 4.6L
  • V8
  • 2WD
  • AUTOMATIC
  • 53,600 MILES
I am getting a "service engine soon" and "service transmission" warning on my car. I took it to AutoZone to pull codes, and while I have unfortunately lost the readout, I remember him saying that the code simply said to check transmission wiring. It drives fine, so I don't really know what direction to look in.
Tuesday, April 30th, 2019 AT 11:19 AM

5 Replies

Tiny
SCGRANTURISMO
  • MECHANIC
  • 4,897 POSTS
Hello,

Can you get another readout of the Direct Trouble Codes (DTC)(s) again, please? If we have the DTC's we can give you specific directions on how to fix your vehicle. Please get the DTC's and get back to us.

Thanks,
Alex
2CarPros
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Wednesday, May 1st, 2019 AT 4:54 AM
Tiny
ESM1980
  • MEMBER
  • 3 POSTS
Will try to do so today. Thanks.
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Thursday, May 2nd, 2019 AT 5:42 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
With the key on hold the off and warmer buttons to initiate the code retrieval or use this guide

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

Please let us know what you find. We are interested to see what it is.
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Saturday, May 4th, 2019 AT 12:40 PM
Tiny
ESM1980
  • MEMBER
  • 3 POSTS
P0717 was the code I'm seeing from the printout last time. Probably will try and run it again today.
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Tuesday, May 7th, 2019 AT 8:15 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
That code is for the turbine shaft speed sensor (trans-axle). Here is a the location and institutions on how to change it. Check out the diagrams (below). Please let us know what happens.
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Tuesday, May 7th, 2019 AT 2:24 PM

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