LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2017 >> CTS Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 185 (Cellular System, Entertainment System And Navigation System) >> Diagnostic Information and Procedures >> DTC B124B: USB 1 Circuit >> Diagnostic Fault Information
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Fault Information

WARNING: This page is about a different car, the 2016 Cadillac CTS. 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, 2 B124B, 1 - -
USB Cable B124B B124B B124B -
Ground - - - -
1. Fault may affect one or more components, dependant on fault location
2. Fault affects multiple components, dependant on vehicle equipment