P0740 Honda Hr-V
Torque Converter Clutch Circuit Malfunction · Powertrain Code · High
What is P0740?
The torque converter clutch (TCC) solenoid circuit has an electrical fault.
When the Honda Hr-V triggers code P0740 (torque converter clutch circuit malfunction), it typically points to an issue in the powertrain system. This is a high severity code, so address it promptly to avoid further damage or safety concerns. Below you'll find the most common causes, symptoms, and repair options specific to the Honda Hr-V.
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 Honda Hr-V.
Common Causes on Honda Hr-V
- Failed torque converter clutch (TCC) solenoid
- Worn torque converter clutch friction material
- Contaminated or degraded transmission fluid (not using Honda DW-1)
- Wiring fault to TCC solenoid
Symptoms
- Check Engine Light on with D light flashing
- Shudder or vibration at highway speed (TCC engagement zone)
- Slight RPM flare when TCC should lock up
- Decreased fuel economy at highway speed
- Transmission may not lock up at all
Notes for Honda Hr-V
Honda automatics are very sensitive to fluid type — ONLY use Honda DW-1 ATF; aftermarket "compatible" fluids are the number one cause of Honda TCC shudder and codes.