P0750 on Toyota Vitz (SCP10): Shift solenoid valve S1 malfunction

Short answer: P0750 means “Shift solenoid valve S1 malfunction”. 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

P0750

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

1. Shift solenoid valve S1 stuck or open/short circuit
2. Valve body

What to check, in order

1. Check solenoid wiring and resistance
2. Check ATF level and condition

Related on this car

• All fault codes for this car
• Warning lights
• Where the parts are (parts map)
• Common problems

Same code on other cars

• P0750 · Toyota Corolla (9th gen, E120)
• P0750 · Toyota Corolla (11th gen, E170)
• P0750 · Toyota Corolla (10th gen, E140)
• P0750 · Honda City (5th gen, GM2)
• P0750 · Honda Civic (10th gen, FC)
• P0750 · Suzuki Wagon R (Pakistan, K10B)
• P0750 on all cars compared

← P0710 P0753 →

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.