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Home >> Buick >> 2016 >> Verano Base, Gas/Ethanol >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls And Fuel - 2.4L (Lea) - DTC P0335 To DTC P2635 And Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC P0601-P0604, P0606, P062B, P062F, P0630, P16F3, or P262B: Control Module (ECM) >> Circuit/System Description
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Circuit/System Description

This diagnostic applies to internal microprocessor integrity conditions within the engine control module (ECM). This diagnostic also addresses if the ECM is not programmed.

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