Tesla Model 3
P0420
The P0420 code indicates that the catalytic converter's efficiency is below the threshold set by the vehicle's engine control module (ECM) in a Tesla Model 3 (2017-2023). This issue could lead to increased emissions and potentially affect vehicle performance.
60 SolutionsP-CodePowertrain
P
Error Code Type
Powertrain
Components
2 affected
Exhaust SystemEngine
Symptoms
10 common
- •Check engine light illuminated
- •Decreased fuel efficiency
- •Loss of power during acceleration
- +7 more
Most Affected Generations
1 generation
Highland
60
Top Affected Components
2 components
Exhaust System
59
Engine
1
Severity Levels
2 levels
medium
34
high
26
Quick Facts
184
Total Solutions
2
Affected Components
10
Common Symptoms
1
Generations
All Solutions
Showing 60 of 184 solutions for error code P0420 across all generations.