P0401 Code: Easy Steps to Solve It
The P0401 code is a common diagnostic trouble code (DTC) that indicates an issue with the Exhaust Gas Recirculation (EGR) system in your vehicle. Specifically, it means that the Engine Control Module (ECM) has detected insufficient EGR flow. This code can affect various makes and models, potentially leading to reduced performance, increased emissions, and even engine damage if left unaddressed. P0401 Code Meaning P0401 Code