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Home >> Chevrolet >> 2022 >> Tahoe PPV, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Controls And Fuel - 3.0L (Lm2) Diesel - Diagnostic Information And Procedures (3 Of 5)) >> Diagnostic Information and Procedures >> DTC P048D, P048E, or U0650 >> 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
5 V Reference Regulated voltage supplied by the control module.
Serial Data The sensor is attached to a control module that is calibrated to this particular sensor. The module communicates with the engine control module via serial data.
Low Reference Grounded through the control module.
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