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Home >> Chevrolet >> 2022 >> Tahoe PPV, RWD >> Repair and Diagnosis >> Accessories & Equipment >> Anti-Theft Systems >> Vehicle Access - Diagnostic Information And Procedures (2 Of 2) >> Diagnostic Information and Procedures >> Liftgate Ajar Indicator Malfunction (TB5) >> Circuit/System Description

Circuit/System Description

For an overview of the component/system, refer to: Liftgate Ajar Indicator Description and Operation

Circuit Description
Signal The control module input circuit has an internal resistance connected to 12 V.
Low Reference Grounded through the control module.
Component Description
A23C Liftgate Latch The DC motor unlatches the liftgate. Once the liftgate is unlatched, a switch in the latch will close, grounding the signal circuit to the control module K194 indicating liftgate status.
K194 Rear Gate Module The control module K194 controls the liftgate motor function depending on inputs from a variety of sensors, switches and serial data information from other control modules.
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