but! The light came back on my drive home. passed inspection after he reset and I came back. but they did test the levels.cel turned off and on for a couple weeks and only problem was I needed inspection and it came on the day I made my appt. ![]() got oil change at same place it went on the first time at and it came on almost immediately. ![]() Mine doesn't usually come back on for a couple hundred miles. This code alone shouldn't make any difference on your emissions besides the slight mpg drop, but if you live in state that automatically fails you for a check engine light then you can usually just reset it by disconnecting the battery. The solenoid is not cheap either, so I don't think I am going to spend that much time just to gamble and see if it might fix the issue. On my V6 Camry the solenoid is located on top of the valve body inside the transmission, so you would have to drop the pan and remove the valve body to access it. I think the ECM does not even attempt to lock the torque converter when you have this code, so if you have an older car that you just need to get you around it probably isn't worth fixing. As far as I can tell the only consequence is slightly reduced highway mpg (about 2 mpg less). I have put probably 20k miles on it while this code was on. Due to the age of the car I decided to just leave it and it has been driving great. I started having this issue a couple years ago with my 96 Camry with 300k miles on it. I will keep everybody posted if light reappears. If after 200 miles goes by without light reappearing, then I would charge him the labor ($265). Customer was pleased beyond belief with all that time spent but only paying for fluid. If light comes on again, then I will take another approach. As this point, being fair to customer, I told him too PAY ONLY FOR FLUID used and get back to me after he puts 200 miles on it. Drove this for a (9.4 mile ) on part highway & local roads. Also used my Verus, watched TCC solenoid operation w a lab scope that I backprobed into the ECU too see if EcU is working properly. Drove car again w a pressure gauge teed into cooler lines. Started car on lift and ran car thru it's gears until fluid was cleared of grayish fluid. Hooked up inlet line into a 5gallon jug of fresh trans fluid, while the outlet line into an empty 5 gallon hug. as it wears, brownish it becomes not grayish-Brown.) Removed trans cooler lines and flushed out cooler till it was clean. Checked fluid on a white rag it left grayish color. Checked vin if ECU was a recall candidate No, it's not. I drove car on a highway road test (9.4 miles) to check TCC lock up solenoid operation. I checked the code - (p0741) was present. I being a master auto mechanic for 27+ yrs have taken on this issue w a recent customer. SO THAT MEANS BEFORE VIN # 1NXBR3#E#52369427 ![]() ^ 2004 - 2005 model year Corolla vehicles equipped with 1ZZ-FE engine produced BEFORE the Production Change Effective VIN shown below. NOTE :The repair procedure must be followed closely to assure that only the affected part is replaced, as multiple possible causes are listed. Follow the repair procedure to address those vehicles that exhibit the condition. Production changes have occurred to correct this condition. "ON" with DTC P0741 (Torque Converter Clutch Solenoid Performance). ![]() Some 2004 - 2005 model year Corolla vehicles may exhibit M.I.L. There is a service bulletin out that adress this issue specifically. Transmission internal mechanical problemīefroe doing anything, take it to your dealer and have them check it. Torque converter clutch solenoid valve circuit is open or shorted Torque converter clutch solenoid valve harness or connectors Faulty torque converter clutch solenoid valve P0741 Toyota - Torque Converter Clutch Solenoid Performance
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