P0770 – Shift solenoid valve SL malfunction (lock-up)
- System
- AT
- Dashboard light
- Check engine light (MIL)
- Check-engine blink code
- —
- Applies to
- 1SZ-FE (by platform)
- Description
- Shift solenoid valve SL malfunction (lock-up)
- Possible causes
- Trouble area: 1.Shift solenoid valve SL 2.Valve body 3.Torque converter
- What to check
- Checking points: 1.Check solenoid wiring and resistance 2.Check ATF level and condition
- Confidence
- medium (Toyota Echo 1999–2002 factory diagnostics, same XP10 platform; not confirmed on JDM 1SZ-FE)
From the factory service material. Clear the code and test-drive to confirm it returns. Search all fault codes · Common problems · Warning lights