P0753 on Toyota Vitz (SCP10): Shift solenoid valve S1 electrical
Short answer: P0753 means “Shift solenoid valve S1 electrical”. The car’s computer has found a fault in the AT system and turns on the Check engine light (MIL). First check: check solenoid wiring and resistance.
- Code
- P0753
- System
- AT
- Dashboard light
- Check engine light (MIL)
- Also sold as
- Toyota Yaris, Toyota Echo (XP10)
- Applies to
- 1SZ-FE (by platform)
- Confidence
- medium (Toyota Echo 1999–2002 factory diagnostics, same XP10 platform; not confirmed on JDM 1SZ-FE)
- Source
- carmanualsclub.com
Likely causes
- Open or short in solenoid S1 circuit
- Shift solenoid valve S1
What to check, in order
- Check solenoid wiring and resistance
Related on this car
Same code on other cars
Clearing the code does not fix the fault. If it comes back, the problem is still there. For brakes, airbags and steering, see a trained mechanic.

