Volkswagen Passat
P0401
The P0401 code indicates insufficient flow in the Exhaust Gas Recirculation (EGR) system in a 2015-2022 Volkswagen Passat B8, which can lead to increased emissions and potential engine performance issues.
1 SolutionP-CodePowertrain
P
Error Code Type
Powertrain
Components
1 affected
Exhaust System
Symptoms
5 common
- •Check engine light illuminated
- •Rough idle or engine stalling
- •Decreased fuel efficiency
- +2 more
Most Affected Generations
1 generation
B8
1
Top Affected Components
1 component
Exhaust System
1
Severity Levels
1 level
medium
1
Quick Facts
1
Total Solutions
1
Affected Components
5
Common Symptoms
1
Generations
All Solutions
Showing 1 of 1 solution for error code P0401 across all generations.
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