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Home >> Cadillac >> 2021 >> XT5 Sport >> Repair and Diagnosis >> External Pages >> Different car >> Section 823 (Transfer Case - Mp 3023/3024 (NQH) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC C05FB, C11B9, C15AB, or C15C1 >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2023 GMC Sierra 3500 HD and 2023 GMC Sierra 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

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

Circuit Description
5 V Reference - Terminal G@A16 Transfer Case Motor Regulated voltage supplied by the control module.
Signal - Terminal F@A16 Transfer Case Motor The control module input circuit has an internal resistance connected to 5 V.
Signal - Terminal E@A16 Transfer Case Motor The control module input circuit has an internal resistance connected to ground.
Low Reference - Terminal H@A16 Transfer Case Motor Grounded through the control module.
Component Description
A16 Transfer Case Motor The motor is bidirectional.
K69 Transfer Case Control Module The control module contains a microprocessor used to process input data to control outputs.
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