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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 >> DTC Descriptor

DTC Descriptor

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.
DTC P1176

Fuel Pump Driver Control Module 5V Reference 1 Circuit

DTC P1177

Fuel Pump Driver Control Module 5V Reference 2 Circuit