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Home >> Buick >> 2019 >> Regal Base >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 97 (Cellular System, Entertainment System, And Navigation System - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC B124B (without IO5/IO6) >> Diagnostic Fault Information

Diagnostic Fault Information

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.
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
B+ B124B, 1, 3 1, 2 - -
USB Cable B124B B124B B124B -
Ground - 1 - -
1. USB port Inoperative
2. Fault may affect one or more components, dependent on fault location
3. Fault affects multiple components, dependent on vehicle equipment
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