P0773 · blink 64 – SL SOLENOID VALVE ELECTRICAL MALFUNCTION
- System
- ECT U441E
- Dashboard light
- CHECK ENGINE (MIL) does NOT light (DTC stored in memory only)
- Applies to
- 4-speed A/T U441E. Not a PK fitment (the PK EPC lists only A246E and U340E). Other-market fitment unverified.
- Check-engine blink code
- 64
- Description
- SL SOLENOID VALVE ELECTRICAL MALFUNCTION
- Detection / symptoms
- Detection: Either (a) or (b) is detected for 1 time. (2−trip detection logic) (a) Solenoid resistance is 8 W or less for short circuit when solenoid is energized. (b) Solenoid resistance is 100 kW or more for open circuit when solenoid is not energized.
- Possible causes
- Transmission wire; Wire harness; SL solenoid valve; Engine and ECT ECU
- What to check
- Workshop check order (RM821E): INSPECT TRANSMISSION WIRE(SL) -> CHECK WIRE HARNESS AND CONNECTOR(Transmission wire−ECU) -> INSPECT LOCK UP CONTROL SOLENOID ASSY(SL)
- Confidence
- high (official Toyota RM821E)
From the factory service material. Clear the code and test-drive to confirm it returns. Search all fault codes · Common problems · Warning lights