Toyota Corolla
P0401
The check engine light is illuminated with trouble code P0401 on a Toyota Corolla E210 (2019-2024), indicating an issue with the Exhaust Gas Recirculation (EGR) system's flow.
5 SolutionsP-CodePowertrain
P
Error Code Type
Powertrain
Components
2 affected
Exhaust SystemEngine
Symptoms
10 common
- •Check engine light illuminated
- •Decreased engine performance
- •Rough idle or stalling
- +7 more
Most Affected Generations
3 generations
E170
3
E210
1
E140
1
Top Affected Components
2 components
Exhaust System
4
Engine
1
Severity Levels
1 level
medium
5
Quick Facts
5
Total Solutions
2
Affected Components
10
Common Symptoms
3
Generations
All Solutions
Showing 5 of 5 solutions for error code P0401 across all generations.