Toyota Tacoma
P0401
The P0401 code on your 2016-present Toyota Tacoma N300 indicates that there is insufficient flow in the Exhaust Gas Recirculation (EGR) system.
3 SolutionsP-CodePowertrain
P
Error Code Type
Powertrain
Components
1 affected
Exhaust System
Symptoms
10 common
- •Check engine light illuminated
- •Rough idle or stalling
- •Decreased fuel efficiency
- +7 more
Most Affected Generations
1 generation
N300
3
Top Affected Components
1 component
Exhaust System
3
Severity Levels
1 level
medium
3
Quick Facts
3
Total Solutions
1
Affected Components
10
Common Symptoms
1
Generations
All Solutions
Showing 3 of 3 solutions for error code P0401 across all generations.