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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 B1474 >> Circuit/System Verification

Circuit/System Verification

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