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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 24 (Engine Controls And Fuel - 2.8L (LWN) Diesel - Diagnostic Information And Procedures (1 Of 3)) >> Diagnostic Information and Procedures >> DTC P040B-P040E or P041B-P041E >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different variant/trim than selected.

For an overview of the component/system, refer to : Exhaust Gas Recirculation (EGR) System Description

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
B130 Exhaust Gas Recirculation Temperature Sensor The temperature sensor is a negative temperature coefficient thermistor, a resistor which changes based on temperatures. The input voltage varies depending on the temperature of the sensor.
K20 Engine Control Module The control module contains a microprocessor used to process input data to control outputs.
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.
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