Toyota IQ - transmission code

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Toyota IQ - transmission code

I have a Toyota IQ 2009 model. A problem has occurred in My car. I have been checking it to many mechanics but resolved yet. The car goes fine till 70KMPH where the RPM remains under 2000. , A jerk and RPM increases to 3000, with almost none o r minimum acceleration as soon as the RPM is pushed above. An error code P0741, which is the torque convertor solenoid related code occurs in the car. Abrupt increase in engine speed with hardly any acceleration signals that there is no lockup. Have tried almost everyone and everything, from changing fluid, wiring check, and transmission tear down to identification but all in vain. Pertinent to highlight that the car is 221K driven with rings changed in 2019.
Need help on highlighting the real problem and its resolution from seniors. Help from Xulfiqar, Rajaatta o r any other senior member will be highly appreciated.

Sajid Khan asked on 23 Dec 2022 16:59:28 pm

1 Answer

9 views |

Sumaiya Akbar - on 24 Dec 2022 15:11:29 pm

The car is properly maintained. Changed the CVT oil around 5K KMs ago.
Change interval is 20K since it is in my ownership over the last three years now.