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Home >> Buick >> 2012 >> Regal Base >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Power Door Lock System And Release Systems >> Diagnostic Information and Procedures >> DTC B3849 >> Circuit/System Verification
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Circuit/System Verification

Ignition ON, observe the scan tool keyless entry control module Exterior Driver Door Handle Switch parameter while pulling and releasing the driver door handle. The parameter should change between Active and Inactive each time the handle is pulled and released.