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Home >> Buick >> 2003 >> Regal LS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self-Diagnostics - 3.8L >> Diagnostic Tests >> DTC P0403: EGR Solenoid Control Circuit >> Conditions For Setting DTC

Conditions For Setting DTC

The PCM detects an electrical malfunction in the EGR solenoid high control circuit or the EGR solenoid low control circuit. The condition must be met for more than 20 seconds.