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Home >> GMC >> 2019 >> Terrain SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 41 (Power Door Lock System And Release Systems) >> Description And Operation >> Power Door Locks Description And Operation >> Door Lock System Components
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Door Lock System Components

WARNING: This page is about a different car, the 2018 GMC Terrain and 2018 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.

The power door lock system consists of the following components:

Fig 1: Power Door Locks System Block Diagram
GM3270435Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
S13D S13D Door Lock Switch - Driver
S13P S13P Door Lock Switch - Passenger
K9 K9 Body Control Module
A23RR A23RR Door Latch Assembly - Right Rear
A23LR A23LR Door Latch Assembly - Left Rear
A23P A23P Door Latch Assembly - Passenger
A23D A23D Door Latch Assembly - Driver
K84 K84 Keyless Entry Control Module
B27RR B27RR Door Handle Switch - Right Rear Exterior
B27LR B27LR Door Handle Switch - Left Rear Exterior
B27P B27P Door Handle Switch - Passenger Exterior
B27D B27D Door Handle Switch - Driver Exterior