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Home >> Buick >> 2017 >> Verano Base, Gas/Ethanol >> Repair and Diagnosis >> Body & Frame >> Ignition Switch/Steering Lock >> Immobilizer System >> Diagnostic Information and Procedures >> DTC B3031: Security Controller In Learn Mode >> Conditions for Setting the DTC
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Conditions for Setting the DTC

The DTC will set any time the BCM enters the learn coded keys state.