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Home >> Chevrolet >> 2021 >> Blazer RS, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine Controls And Fuel - 2.5L (LCV) - Diagnostic Information And Procedures (2 Of 2)) >> Diagnostic Information and Procedures >> DTC P0650, P263A, or P263B - Malfunction Indicator Lamp (MIL) Malfunction >> Circuit/System Description

Circuit/System Description

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Circuit Description
Ignition @ P16 Instrument Cluster Supplied from a fuse.
Control @ K20 Engine Control Module 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.
P16 Instrument Cluster The instrument cluster houses several displays and gauges to inform the driver about various parameters of the vehicle.
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