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Home >> Saturn >> 2007 >> Sky Base, Standard >> Repair and Diagnosis >> Body & Frame >> Ignition Switch/Steering Lock >> Immobilizer System >> Diagnostic Information and Procedures >> DTC B3976 >> Circuit/System Description

Circuit/System Description

When the theft deterrent module (TDM) is in the learn coded key or learn more keys mode, the TDM checks the vehicle key to ensure it has been configured as a master key.

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