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Home › Buick › 2008 › Allure CX › Repair and Diagnosis › Engine Performance › System › Engine Control System & Fuel System - 3.8L - DTC P0385 To DTC P2108 › DTC P0412 or P0418 › DTC Descriptors

DTC Descriptors

DTC P0412: Secondary Air Injection (AIR) Solenoid Relay Control Circuit
DTC P0418: Secondary Air Injection (AIR) Pump Control Circuit