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Home >> Chevrolet >> 2018 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 32 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> DTC B124B: USB 1 Circuit >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.

The radio detects an excessive current condition on the USB 5 V circuit.