P0401

Check engine light illuminatedDecreased fuel efficiency+4

The presence of a P0401 code in your Volkswagen Tiguan indicates that there is insufficient flow detected in the Exhaust Gas Recirculation (EGR) system.

P0401•5N

Check engine light illuminatedRough idle or stalling+3

how to fix P0401 code on my Volkswagen Tiguan Second Generation (2018-present)

Engine

The P0401 code indicates insufficient flow in the Exhaust Gas Recirculation (EGR) system on your Volkswagen Tiguan Second Generation (2018-present). This issue typically affects engine performance and emissions control.

how to clear the P0401 code in Volkswagen Tiguan Second Generation (2018-present)

Check engine light illuminatedRough idle or stalling during cold starts+3

The P0401 code indicates an insufficient flow in the Exhaust Gas Recirculation (EGR) system on a Volkswagen Tiguan Second Generation (2018-present). This code typically triggers when the engine control module (ECM) detects that the EGR system is not recirculating exhaust gases as intended.

how to resolve P0401 code in Volkswagen Tiguan Second Generation (2018-present)

Check engine light illuminatedDecreased engine performance+4

The P0401 code indicates insufficient flow in the exhaust gas recirculation (EGR) system in a 2018-present Volkswagen Tiguan Second Generation.

how to troubleshoot the P0401 code on my Volkswagen Tiguan Second Generation (2018-present)

Check engine light illuminatedRough idle or stalling+4

The P0401 code indicates an issue with the Exhaust Gas Recirculation (EGR) system in your 2018-present Volkswagen Tiguan Second Generation, specifically that insufficient flow has been detected in the EGR system.