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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 22 (Engine Controls And Fuel - 2.8L (LWN) Diesel - Diagnostic Information And Procedures (2 Of 3)) >> Diagnostic Information and Procedures >> DTC P1052, P20BD-P20BF, P20C0, P248C, or P248D >> 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 Aftertreatment System Description

Circuit Description
Control - Terminal 2 The output circuit is switched to 12 V to activate the component.
Control - Terminal 1 The output circuit is switched to ground to enable the component(s).
Component Description
E52 Reductant Line Heater The pressure line is a hose with integrated heating wires.
K115 Reductant Control Module The control module controls the heating and dosing of the reductant.
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