Check Engine Light due to TCC fault on Cadillac DeVille

The torque converter clutch (TTC) may stop working due to an internal transmission failure. The Check Engine Light will illuminate if this occurs. Our technicians tell us the transmission will require dis-assembly to correct this concern.

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Average mileage: 106,655 (15,000–199,000)
8 model years affected: 1996, 1999, 2000, 2001, more2002, 2003, 2004, 2005
164 people reported this problem
80 people shared problem details
nothing wrong with transmission, light sometimes goes out only to return. transmission has been working well for the last 20000 miles but now I cant pass emissions tests and there is nothing wrong but the sensor.
2002 Cadillac DeVille120,000
my torque converter clutch is stuck in off position
Service engine light keeps coming on. Code indicates p0741 and p1860. I am being told transmission needs to be removed so the harness and solenoids can be repaired. there are no other symptoms or any problems so I am researching.
TCC and Sylenoid. Remove and replace.
Check Engine Light comes on. Code says Co 741. Bad Solenoid. Car runs fine - shifts smooth up and down - runs about 2000 rpm at 65mph.
Car idles good but when I hit the gas it jerks and bucks. After it does that a few times it runs fine.
check engine light comes on and goes off. check out saqys torque converter. 1st time in jan they said I needed the transmission oil shanged done that the light went off now it is back on I had it checked and now thety say it is the torque converter. Very upsetting.
decoder reads a P0741 problem causing engine light to appear. Constantly returns if erased but have not had any problems with transmission or engine performance.
check engine light came on fault code for either tcc or solenoid transmission had to be rebuilt to get back overdrive
TCC Switch Off,
Torque converter stuck n the off position sensor and solenoid - won't pass inspection - only 128,000 miles on it and its Junk- about a $2500 fix and all of them this year are that way- I have read the horror stories -A car this expensive and so many defects - Don't buy a Cadillac-When is there going to be a recall - ridiculous amount of money to spend on such an expensive car and only get 120,000 approx miles out it
2002 Cadillac DeVille101,000
I open the transmission on the drivers side and fix it was good for about 3months then light came back on.i used a cheap brand called pioneer should've used oem ac delco
replaced new tranny figuring the car was nice and could keep it around as a family vacationer po741 was initial problem, knowing it was probably just the solenoid decided on a whole tranny job anyway. the car got rear ended hence uninspectable at 100,000 miles but the warranty ran out while in shop.I did not realize this the warranty was three year 100,000 thousand miles Cadillac would not honor their warranty even at 40,000 miles and ran over time due to being worked on. Mechanic estimates another 3800 bucks to rebuild a new tranny because of this stupid solenoid Is class action a possibility? I cant believe it. Also car runs beautiful a little oil usage but I know this is common. This is Cadillac dirty little secret THE PART IS A 14-17 DOLLAR PART AND THEY WANT YOU TO BELIEVE IT IS A TRANNY TORQUE CONVERTER PROBLEM. U-TUBE HAS A COUPLE OF VIDEOS ON HOW TO UNCONVENTIONALLY FIX THIS BUT IT'S NOT EASY,BUT CAN BE DONE THIS IS THE THIRD TIME FOR MY 2000 MODEL, ALL IT IS IS A SOLENOID PART.ALSO EMISSIONS CHECK FAILS THIS, BUT IT DOESN'T STOP THE MIGHTY NORTHSTAR MOTOR FROM LEAKING COPULAS AMOUNTS OF OIL!WHICH IS WHY WE HAVE EMISSIONS CHECK TO SAVE THE PLANET AT THE EXPENSE OF RIPPED OF CONSUMERS!this is the result of a 17 dollar solenoid,can be accessed through a panel on tranny see u tube videos caddilac wont even acknowledge this 8 model year multi model problem that has an uncanny nack of avoiding warranties!!!!!!!!
code#po741,p1860,replaced both solenoids and wiring harness,engine light and codes are still coming on after 20 miles,shifting system stuck off,do i need to replace the whole shifting module?
2003 Cadillac DeVille111,000
P0741 light came on 2 days after I bought the car. No change in performance.
tcc code told will have to dismantle transmission was told 2000 dollars to fix or 2400 dollars to rebuild transmission so had trans rebuilt
2001 Cadillac DeVille160,000
I am getting error codes which the repair shop is the tcc solenoid, they tell me it's a if job to repair. Like 10hrs if labor, they also say it has no effect on the way the car operates.
2002 Cadillac DeVille118,300
P0741 and P1860
2002 Cadillac DeVille199,000
I have to replace the tcc solenoid to pass inspection. Cars runs smooth, exelerates very well, check engine light on due the TCC need to be replaced. Can't pass inspection cause of this problem. I also have to replace the bend door actuator one side of my AC doesn't work. And the same side the heat doesn't work. Why havent these issues become a recall its ridiculous
Check engine light on p0741 etc. Reporting transmission problem, car runs and shifts fine. Burns oil
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