Just Replaced TCC Solenoid and now the Service Transmission statement is coming up
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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, Just Replaced TCC Solenoid and now the Service Transmission statement is coming up in Past Cadillac Vehicle Discussion; ​ Hello Everyone... I am truly grateful for all of the contributors to this forum, your information is very much ...
  1. #1
    ALW2 is offline Cadillac Owners Member
    Automobile(s): 2001 DeVille
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    Just Replaced TCC Solenoid and now the Service Transmission statement is coming up

    Hello Everyone...
    I am truly grateful for all of the contributors to this forum, your information is very much appreciated. Anyhow, my dilemma is with the P0741 & P1860 codes. I'll admit that I didn't fully research the issue prior to replacing the TCC solenoid. The car ran fine until the little (and I mean little) Transmission Main Shaft Retainer broke. I had a mechanic replace the retainer, filters, and pan gasket. So, I just asked him to change the TCC solenoid since the code stated that I needed to replace it.
    Everything's replaced, fluid replaced, and the car's on the road. However, the transmission is slipping and the "Service Transmission" statement so showing on the Information Center. I read some post about this issue and what it sounds like to me is that I may need to replace some seals and/or the torque converter itself. I really need some clarity pertaining to this issue, please.


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  3. #2
    70cougar is offline Cadillac Owners Enthusiast
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    Re: Just Replaced TCC Solenoid and now the Service Transmission statement is coming u

    What "current" codes do you have right now? Is SES light on?

    P0741 and/or P1860 will only set the SES light, not the "service transmission" warning.

  4. #3
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: Just Replaced TCC Solenoid and now the Service Transmission statement is coming u

    Quote Originally Posted by ALW2 View Post
    I read some post about this issue and what it sounds like to me is that I may need to replace some seals and/or the torque converter itself. I really need some clarity pertaining to this issue, please.
    I think what you read is referring to the P0741 code alone. That is a leaky internal seal that allows a 100-300 RPM TC slippage. It's imperceptible. You have a different problem.

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  6. #4
    98eldo32v's Avatar
    98eldo32v is offline Cadillac Owners Connoisseur
    Automobile(s): 98 eldo/KD54 w/N37,T96,QA1,D55,DS3,U1Z. U3R next
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    Re: Just Replaced TCC Solenoid and now the Service Transmission statement is coming u

    Service transmission message on..........

    Start looking for another unit.........

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