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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 228 (Vehicle Access System - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC B17F6 >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.

For an overview of the component/system, refer to: Power Door Locks Description and Operation

Circuit Description
Signal The control module input circuit has an internal resistance connected to 7.5 V.
Ground Chassis Ground
Component Description
A23LR Rear Side Door Latch-Left The switch has a normally open contact. When the switch is activated, the signal circuit to the control module is grounded.
K9 Body Control Module The control module also reads various switches and sensors and makes their values available via serial data.
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