TML Gen3 IVI DTC Troubleshooting guide Version: 0.4 Draft Date: 04-Aug-23 Author: Hemant Mitra Page: 89 of 584 Copyright © TATA MOTORS Ltd. This document must not be used in any way, such as copying and redistributing to third parties, without the consent of author. B1C55-11: Channel 8 Speaker Assembly Output Power/Channel 8 Speaker Assembly Input Signalcircuit short to ground Overview: Write up for the Related Sensor/Actuator or system:- Pre-Check Points: NO Trouble Shooting: - Below given flowcharts guides to troubleshoot the fault: ISO Code B1C55-11 Customer Symptom No audible audio output from Channel 8 speaker. Fault Effects (On Vehicle) No audible audio output from Channel 8 speaker. Lamp Status (If Any) No Fault Detection Condition 1. No audible audio output from Channel 8 speaker. 2. This DTC gets logged when connection between Channel 8 speaker and Head Unit is short to GND. Normal Operating Condition When any media/radio source is played from Head Unit, audio output is heard from car speakers. Probable Trouble Area • Wiring harness between HU and speakers • HU Connector and connector terminals • Speaker connector and its terminals • Intermittent connector and their terminal Healing Condition None
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