What does code P0403 mean?

EGR Control Circuit Malfunction: The EGR solenoid or valve control circuit has an electrical fault.

P0403 is rated as medium severity. Schedule service — affects performance or emissions.

P0403

EGR Control Circuit Malfunction

Powertrain Code · Medium

What does P0403 mean?

The EGR solenoid or valve control circuit has an electrical fault.

System: EGR System

P0403 is a powertrain diagnostic trouble code indicating egr control circuit malfunction. 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.