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Home >> Chevrolet >> 2020 >> Traverse RS, 4WD >> Repair and Diagnosis >> Accessories & Equipment >> Anti-Theft Systems >> Vehicle Access System >> Diagnostic Information and Procedures >> DTC B153F - Liftgate Object Sensor Malfunction >> Circuit/System Description
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Circuit/System Description

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

Circuit Description
Signal The control module input circuit has an internal resistance connected to 5 V.
Low Reference Grounded through the control module.
Component Description
B71R Liftgate Object Sensor - Right When the switch is closed it will pull the signal voltage low.
B71L Liftgate Object Sensor - Left When the switch is closed it will pull the signal voltage low.
K39 Liftgate Control Module The control module K39 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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