LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 2003 >> 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 >> Conditions For Setting DTC
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Conditions For Setting DTC

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

scientia non olet · About LEMON Manuals