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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission System (UA80F) - Diagnostic Codes (1 Of 2) >> Automatic Transaxle System >> DTC P0740-11: Torque Converter Clutch Circuit Short to Ground [12/2019 - 10/2022] >> Description

DTC P0740-11: Torque Converter Clutch Circuit Short to Ground [12/2019 - 10/2022]: Description

Solenoid (SL) valve is turned on and off by signals from the ECM to control the hydraulic pressure acting on the lock-up relay valve, which then controls operation of the lock-up clutch.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note
P0740-11 Torque Converter Clutch Circuit Short to Ground While the vehicle is being driven so that lock-up is not requested, a short to ground is detected in the solenoid (SL) valve circuit (2-trip detection logic).
  • Solenoid (SL) valve
  • Transmission wire
  • Harness and connector
  • ECM
Comes on DTC stored SAE Code:
P2769

Fail-safe function:

If the ECM detects a malfunction, it turns Solenoid (SL) valve off.