`207 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 P19D204:- OBC CRC Failure Overview: ISO Code (If applicable) P19D204 Customer Symptom NA Fault Effect (On Vehicle) OBC will stop charging HV battery Lamp Status (If Any) NA DTC Detection Condition This DTC gets logged If Check the message of 0x3DA and 0x360; 1. Receive 10 consecutive can message verification error 2. Received counter difference ≥ 4 Normal Operating Condition Checksum verification: the checksums verification is correct for 10 consecutive times before recovery; Counter verification: it can be recovered after checking the counter for 10 times; Probable Trouble Area 1.vehicle communication interference 2.VCU Sent Wrong CRC and AliverCounter 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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