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
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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.
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