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Old 07-28-2009, 09:28 AM   #1
C130Flyboy
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Location: Kenosha, WI
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1998 SL2
Dizzy Can not fix P0741 - TCC Stuck Off

Old problem cannot get fixed - My 98 SL2 had a auto Trans installed in March (since the old trans was getting the reverse slam which went away after changing the Oil and Filter then came back and starting leaking due to a small hole caused by the slam) Once the replacement Trans was installed all was great - for awhile. After driving for a few weeks the service engine light came on. I had Auto Zone scan and Code P0741 came up. reading post's I've replaced the Eng Temp. Sensor and this did not help (it was the old plastic design and was cracked). Can anyone tell me what the sensor is that goes into the Transmission that looks like the same thing? I have not replaced this yet since I do not know if it is related. The car will not shift into overdrive so I'm not getting as good MPG as I could. Other than that the car runs smoothly. Another note is that there is a wire that comes from the Trans to what I think is the Pattern Select Switch. This is a single wire with one clip even though the connector had two clips - this was loose and I tighten it - what is this, could it be related to P0741?

The Print out for the P0741 which states "General Motors" list other possible Reasons why I have code P0741:
1. TCC Solenoid failure: [B]How do I check this?
2. Open or short circuit condition: [B]Can I check this and what do I check?
3. Blocked passage in transmission: [B]How do I check?
4. Check Trans range switch for proper operation: [B]How? What does this do?

If I need a TCC Solenoid, can I check this be swapping out any of the others since they are all the same? Is this a good idea?

I need to get my car emission tested in Wisconsin and think I will fail even though it's Transmission related not emission. I'm thinking of clearing the code and taking it in (driving real slow so the light does not come on). I hope this will work. I'm not sure if they can extend my test date.

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Old 07-28-2009, 10:38 AM   #2
s3nfo
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2001 L-Series 3.0L Wagon
Default Re: Can not fix P0741 - TCC Stuck Off

Wrong forum.

...
Jerry N

"Politics is the art of looking for trouble, finding it, misdiagnosing it and then misapplying the wrong remedies."

Groucho Marx

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Old 07-31-2009, 08:04 PM   #3
drewtiss
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Default Re: Can not fix P0741 - TCC Stuck Off

Quote:
Originally Posted by C130Flyboy View Post
Old problem cannot get fixed - My 98 SL2 had a auto Trans installed in March (since the old trans was getting the reverse slam which went away after changing the Oil and Filter then came back and starting leaking due to a small hole caused by the slam) Once the replacement Trans was installed all was great - for awhile. After driving for a few weeks the service engine light came on. I had Auto Zone scan and Code P0741 came up. reading post's I've replaced the Eng Temp. Sensor and this did not help (it was the old plastic design and was cracked). Can anyone tell me what the sensor is that goes into the Transmission that looks like the same thing? I have not replaced this yet since I do not know if it is related. The car will not shift into overdrive so I'm not getting as good MPG as I could. Other than that the car runs smoothly. Another note is that there is a wire that comes from the Trans to what I think is the Pattern Select Switch. This is a single wire with one clip even though the connector had two clips - this was loose and I tighten it - what is this, could it be related to P0741?

The Print out for the P0741 which states "General Motors" list other possible Reasons why I have code P0741:
1. TCC Solenoid failure: [B]How do I check this?
2. Open or short circuit condition: [B]Can I check this and what do I check?
3. Blocked passage in transmission: [B]How do I check?
4. Check Trans range switch for proper operation: [B]How? What does this do?

If I need a TCC Solenoid, can I check this be swapping out any of the others since they are all the same? Is this a good idea?

I need to get my car emission tested in Wisconsin and think I will fail even though it's Transmission related not emission. I'm thinking of clearing the code and taking it in (driving real slow so the light does not come on). I hope this will work. I'm not sure if they can extend my test date.

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