C0256: RL holding/pressure-reducing solenoid abnormal
Short answer: C0256 means “RL holding/pressure-reducing solenoid abnormal”. Below is what it means on each of the 3 cars we cover, with a link to the full page for each car.
C0256 on each car
| Car | Meaning on this car | Confidence |
|---|---|---|
| Toyota Passo (1st gen) | RL holding/pressure-reducing solenoid abnormal (C0256/58) | high |
| Toyota Vitz (1st gen) | Left rear solenoid circuit | medium |
| Toyota Corolla (9th gen, E120) | SRL Solenoid Circuit (C0256/24) | high |
Symptoms
- Warning lamp per chart
Likely causes
- RL holding/pressure-reducing solenoid abnormal
What to check, in order
- Follow manual
Causes and checks above are the general meaning. The exact test steps and values differ by car: open your car’s page.