What does code P0404 mean?

EGR Circuit Range/Performance: The EGR valve position sensor is reading outside its expected range.

P0404 is rated as medium severity. Schedule service — affects performance or emissions.

P0404

EGR Circuit Range/Performance

Powertrain Code · Medium

What does P0404 mean?

The EGR valve position sensor is reading outside its expected range.

System: EGR System

P0404 is a powertrain diagnostic trouble code indicating egr circuit range/performance. This code is classified as medium severity, which means: schedule service — affects performance or emissions.

Diagnostic data on this page is compiled from publicly available repair resources and technical service bulletins. Always have a qualified mechanic confirm the diagnosis before authorizing repairs on your vehicle.