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Home › Cadillac › 2003 › Seville SLS › Repair and Diagnosis › Engine Performance › System › Engine Controls - Self-Diagnostics › Diagnostic Tests › DTC P0412: Secondary Air Injection Relay Control Circuit › Conditions For Setting DTC

Conditions For Setting DTC

The PCM detects an improper voltage level on the output circuit that controls the AIR vacuum control solenoid valve.
The condition exists for more than 10 seconds.