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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.

A: This is related to the transmission control...

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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