Tesla Model 3
P0138
The P0138 code indicates a high voltage signal from the oxygen sensor circuit in your Tesla Model 3 Highland (2024-present), which can lead to improper air-fuel mixture adjustments and decreased vehicle performance.
2 SolutionsP-CodePowertrain
P
Error Code Type
Powertrain
Components
1 affected
Exhaust System
Symptoms
8 common
- •Check engine light illuminated
- •Poor fuel economy
- •Rough engine idle
- +5 more
Most Affected Generations
1 generation
Highland
2
Top Affected Components
1 component
Exhaust System
2
Severity Levels
1 level
medium
2
Quick Facts
2
Total Solutions
1
Affected Components
8
Common Symptoms
1
Generations
All Solutions
Showing 2 of 2 solutions for error code P0138 across all generations.