Torque Converter Clutch Circuit Malfunction
Powertrain Code · High
What does P0740 mean?
The torque converter clutch (TCC) solenoid circuit has an electrical fault.
System: Transmission
P0740 is a powertrain diagnostic trouble code indicating torque converter clutch circuit malfunction. This code is classified as high severity, which means: address soon — may cause further damage. We have vehicle-specific diagnostic data for 12 models below. Select your vehicle for tailored causes, symptoms, and repair cost estimates.
Diagnostic data on this page is compiled from publicly available repair resources and technical service bulletins. Always have a qualified mechanic confirm the diagnosis before authorizing repairs on your vehicle.
See causes, symptoms, and repair costs for P0740 on specific vehicles: