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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Cellular System, Entertainment System, And Navigation System - Diagnostic Information And Procedures - DTC & Symptoms >> Diagnostic Information and Procedures >> DTC B124C: (USB2) >> Conditions for Setting the DTC

Conditions for Setting the DTC

B124C 0B 

The human machine interface control module detects an excessive current condition on the USB 5V circuit.

B124C 04 

The human machine interface control module does not detect the vehicle hub device.

B124C 11 

The human machine interface control module detects an additional hub device attached to the vehicle USB port.

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