`227 Author: Navya Krishnan Copyright © TATA MOTORS Ltd. This document must not be used in anyway, such as copying and redistributing to third parties, without the consent of author. Kanger 3.0 DTC Troubleshooting Data Version: 1.0 Date: 24-July-2023 P199320:- OBC Functional Safety Failure Overview: ISO Code (If applicable) P1999320 Customer Symptom NA Fault Effect (On Vehicle) OBC will stop charging HV battery/ OBC will stop AC output during V2X mode Lamp Status (If Any) NA DTC Detection Condition DTC is logged when Any of the Functional safety fault triggered, OBC output OVER Voltage fault, OBC Startup selftest failure.Internal connunication failure Normal Operating Condition None of OBC functional safety failure happen Probable Trouble Area 1.OBC Internal self- test Failure 2. OBC Functional Safety Failure 3.OBC Hardware is damage Healing Condition Disconnect the gun and connect back after VCU sleep Write up for the system :- The component 3in1( DC-DC Converter, On-Board Charger and Power distribution unit)is used to charge LV battery, HV battery and act as junction box between HV power train components ( PTC, e-Compressor, HV battery, Fast Charging and MCU)
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