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Home >> Lexus >> 2015 >> NX 200t Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Automatic Transmission (U661E) - Diagnostic Codes (1 Of 2)) >> Automatic Transaxle System >> DTC P0740-11: Torque Converter Clutch Circuit Short to Ground [10/2014 - ] >> Description

DTC P0740-11: Torque Converter Clutch Circuit Short to Ground [10/2014 - ]: Description

WARNING: This page is about a different variant/trim than selected.

Shift solenoid valve SL 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 The shift solenoid valve SL terminal voltage level is low, when the shift solenoid valve SL is operated (2 trip detection logic).
  • Short in shift solenoid valve SL circuit
  • Wiring harness connector
  • Transmission wire
  • Shift solenoid valve SL
  • ECM
Comes on DTC stored SAE: P2769

Fail-safe function:

If the ECM detects a malfunction, it turns shift solenoid valve SL off.