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Home >> Chevrolet >> 2025 >> Traverse RS, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel, Displays And Gauges >> Diagnostic Information and Procedures >> DTC P2C21 >> Circuit/System Description

Circuit/System Description

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

Component Description
B36 Engine Oil Temperature Sensor The temperature sensor is a negative temperature coefficient thermistor, a resistor which changes based on temperature.
K20 Engine Control Module/K45 Powertrain Control Module The control module converts the analog voltage signal input to a temperature value.