CorollaFix

P0773 · blink 64 – SL SOLENOID VALVE ELECTRICAL MALFUNCTION

System
ECT U340E
Dashboard light
Malfunction indicator lamp (Check Engine)
Check-engine blink code
64
Applies to
4-speed A/T U340E. PK: ZZE122R-GEPNKP 1.8 auto from 07.2005 (EPC fig 3501/3512 note (0507- )ATM..PKN); JDM NZE121 1NZ autos
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 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

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