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Home >> Buick >> 2001 >> Regal LS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self-Diagnostics - 3.8L >> Diagnostic Tests >> DTC P0418: Secondary Air Injection Relay Control Circuit >> Code Enable Criteria

Code Enable Criteria

DTC sets when a short to ground, open circuit, or short to battery voltage is detected on control circuit for at least 30 seconds.