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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 189 (Cellular System, Entertainment System, And Navigation System - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC B245C: Telematics Audio Output circuit >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2017 Cadillac ATS. 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
External Speaker Signal B245C 02, 1 B245C 04, 1 B255C 01, 1, 2 -
1. No or reduced audio from speaker(s) on the affected audio circuit.
2. Noticeable audio distortion may be present.