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: 105,669 (15,000–194,000)
8 model years affected: 1996, 1999, 2000, 2001, more2002, 2003, 2004, 2005
162 people reported this problem
78 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.
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.
TCC and Sylenoid. Remove and replace.
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?
Car idles good but when I hit the gas it jerks and bucks. After it does that a few times it runs fine.
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.
2003 Cadillac DeVille126,000
TCC stuck open also had same issue on my 2001 Cadillac Deville DTS wth 138,000 miles
check engine light came on fault code for either tcc or solenoid transmission had to be rebuilt to get back overdrive
TCC Switch Off,
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.
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
2004 Cadillac DeVille106,480
2004 Deville Dts car was at a repair shop. Getting the brake power booster replaced. Get a call 2days later that my car wont shift transmission wont engage. Im pissed still in disbelief transmission place say $2800 too rebuild $2200 to get use tranny an install. Car never drove better pleas tell me wha happen to my car. No warning
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!!!!!!!!
2004 Cadillac DeVille112,000
same as all other codes i read about this tranny changed the the syliniod on side in tranny case the one in tranny pan and filters and gasket….blew tranny
3500.00 for new transmission just to get the ses light off..a total rip off at only 65000 miles !
2002 Cadillac DeVille153,000
Tcc code. Glenburnie transmission says it needs a new tranny. 3100 bucks
2002 Cadillac DeVille111,000
Private party I purchased from had transmission repaired - TCC solenoid burned out. Not sure what the mileage was, maybe 60-80k. Happened at around 111K. Suspicious of recurrence.
1996 Cadillac DeVille181,000
Wont go in gear
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