TML Gen3 IVI DTC Troubleshooting guide Version: 0.4 Draft Date: 04-Aug-23 Author: Hemant Mitra Page: 260 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. B1C48-55: System Customization Data not received from HVAC CM-not configured. Overview: ISO Code B1C48-55 Customer Symptom NA Fault Effects (On Vehicle) HVAC related functionality on infotainment system HMI will not be available to user Lamp Status (If Any) NA Fault Detection Condition System Customization Data not received from HVAC module Normal Operating Condition Error free communication with Silver Box and HVAC Control Module. Probable Trouble Area System Customization Data not received from HVAC module Healing Condition Clearing of the functional failures in the HVAC Module.
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