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Home >> Buick >> 2019 >> Regal TourX Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 139 (Engine Controls And Fuel - 3.6L (LGX) - Diagnostic Information And Procedures (P0449-P3436) And Symptoms) >> Diagnostic Information and Procedures >> DTC P1176 or P1177 >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2020 Buick Regal and 2019 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

For an overview of the component/system, refer to: Fuel System Description

Circuit Description
5 V Reference Regulated voltage supplied by the control module.
Component Description
K111 Fuel Pump Driver Control Module The control module contains a microprocessor used to process input data to control outputs.
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