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Home › Hummer › 2010 › H3 Base, Standard › Repair and Diagnosis › Engine Performance › System › Engine Controls And Fuel - 3.7L - DTC P0335 To DTC P1381 › DTC P0412 or P0418 › DTC Descriptor

DTC Descriptor

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