Q: check engine light on, code reading P0740, what part do i need

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check engine light on, code reading P0740, what part do i need Wat do i need to do

My car has 195000 miles.
My car has an automatic transmission.

This is related to the transmission control lock up system. This can be caused by one or more of the following:

  • Low transmission fluid level
  • Dirty transmission fluid
  • Faulty torque converter clutch solenoid valve
  • Torque converter clutch solenoid valve harness is open or shorted
  • Torque converter clutch solenoid valve circuit poor electrical connection

If you’d like, a certified YourMechanic technician can come to your home or place of business in order to perform a check engine light is on inspection on your vehicle and diagnose this issue.

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