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Home >> Buick >> 2018 >> Enclave Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 64 (Power Door Lock System And Release Systems) >> Diagnostic Information and Procedures >> DTC B3140, B3145, B3150, or B3155: Unlock Switch Circuit, Lock Switch Circuit >> Reference Information
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Reference Information

WARNING: This page is about a different car, the 2017 GMC Acadia Limited, 2017 Chevrolet Traverse, and 2017 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.

Schematic Reference

Door Lock/Indicator Schematics 

Connector End View Reference

COMPONENT CONNECTOR END VIEWS - INDEX

Description and Operation

Power Door Locks Description and Operation (Without AXE) Power Door Locks Description and Operation (With AXE) 

Electrical Information Reference

Scan Tool Reference

Control Module References for scan tool information