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Home >> Chevrolet >> 2022 >> Tahoe PPV, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine Mechanical - 3.0L (Lm2) Diesel - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC C11F0 or C11F1 >> Circuit/System Description

Circuit/System Description

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Circuit Description
B+ Supplied from a fuse.
Control - 1 The output circuit is switched to 12 V to activate the component.
Control - 2 The output circuit is switched to ground to activate the component.
Component Description
K20 Engine Control Module The control module controls a series of actuators to ensure optimal engine performance. The control module does this by reading values from a variety of sensors, interprets the data and adjusts the engine actuators accordingly.
Q80L Engine Mount Solenoid Valve - Left A solenoid valve is an electro-mechanically operated valve. The valve is controlled by an electric current through the solenoid.
Q80R Engine Mount Solenoid Valve - Right A solenoid valve is an electro-mechanically operated valve. The valve is controlled by an electric current through the solenoid.

For an overview of the component/system, refer to: Active Engine Mount Description and Operation

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