DTC P2769 Torque Converter Clutch Solenoid Circuit Low (Shift Solenoid Valve DSL); DTC P2770 Torque Converter Clutch Solenoid Circuit High (Shift Solenoid Valve DSL): Description
WARNING: This page is about a different car, the 2008 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
The shift solenoid valve DSL 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 DETECTION CONDITION AND TROUBLE AREA REFERENCE
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| P2769 | ECM detects short in shift solenoid valve DSL circuit when shift solenoid valve DSL is operated (2 trip detection logic) |
|
| P2770 | ECM detects open in shift solenoid valve DSL circuit when shift solenoid valve DSL is not operated (2 trip detection logic) |
|
Fail-safe function:
If the ECM detects a malfunction, it turns the shift solenoid valve DSL OFF.