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Home >> Buick >> 2020 >> Envision Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 96 (Secondary And Configurable Customer Control System) >> Diagnostic Information and Procedures >> DTC B074B >> DTC Descriptor
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

DTC Descriptor

WARNING: This page is about a different car, the 2018 Buick Regal TourX and 2018 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
DTC B074B

Drive Mode Select Switch Indicator Circuit 2

Symptom Byte Information: Symptom Byte List