P0403 Moderate Powertrain

Exhaust Gas Recirculation Control Circuit

Common Causes

Open or short in EGR solenoid circuit
Failed EGR valve solenoid
PCM driver fault

Common Symptoms

EGR System Issues

Related Videos

2:21
Causes and Fixes P0403 Code: Exhaust Gas Recirculation (EGR) Solenoid...
HVAC Mechanic 111K views
3:18
P0403 Code Explained: Exhaust Gas Recirculation Circuit Malfunction Fi...
WeeklyTools 14K views
2:09
How to Fix P0403 Engine Code in 3 Minutes [2 DIY Methods / Only $4.12]
nonda 266K views

Was this information helpful?

Quick Info

Code P0403
System Powertrain
Severity Moderate

Disclaimer

This information is for diagnostic guidance only. Always verify repairs with a qualified technician before performing safety-critical work.

Track your repair and verify the fix with the FaultFix app

Connect an OBD2 scanner · rescan after the repair · earn a verified fix credit

App Store Google Play