'05 STS 5L40-E tranny harsh shifting Forums at Automotive.com
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'05 STS 5L40-E tranny harsh shifting

 
C. Johnny C. Johnny
New User | Posts: 2 | Joined: 03/07
Posted: 03/06/07
07:00 AM

Have a '05 Cadillac STS with 25K mi

 5L40-E tranny started harsh shifting at 21K mi - has become worse and now
 in all shifts except 1-2 .

 Dealer has made software change - symptoms continue

 Any ideas ?

 C. Johnny  

 
transdoctor transdoctor
User | Posts: 74 | Joined: 10/06
Posted: 03/06/07
09:49 PM

Are there any codes at all even engine related?  

 
C. Johnny C. Johnny
New User | Posts: 2 | Joined: 03/07
Posted: 03/07/07
07:31 AM

Dealer - service reported to me that there were no codes re transmission

did not check engine -  

 

2009 Cadillac STS
Body Style:
Sedan
Rating:
Above Average

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