Toyota Corolla
P0138
The P0138 code indicates that the oxygen sensor circuit in the Toyota Corolla E210 (2019-2024) is reporting a high voltage signal, suggesting a potential issue with the sensor, wiring, or exhaust system.
6 SolutionsP-CodePowertrain
P
Error Code Type
Powertrain
Components
1 affected
Exhaust System
Symptoms
10 common
- •Check engine light illuminated
- •Poor fuel economy
- •Rough idling or stalling
- +7 more
Most Affected Generations
3 generations
E170
3
E140
2
E210
1
Top Affected Components
1 component
Exhaust System
6
Severity Levels
1 level
medium
6
Quick Facts
6
Total Solutions
1
Affected Components
10
Common Symptoms
3
Generations
All Solutions
Showing 6 of 6 solutions for error code P0138 across all generations.