Question about code 0740

Question

I have a 1999 Acura TL. When I drive in highway over 70 mph, the TCS and Engine light turn on. However, when I drive in the city at lower speed, the lights turn off by itself. Can you tell me what happen to my car, and how can I fix it.
Thanks

Answer 1

Hi there,

This code indicates an issue with the torque converter clutch solenoid. Here is some info for you.

P0740 ACURA - Transmission Lock-Up Control System Fault

Read more: https://www.autocodes.com/p0740_acura.html