Nexon EV Instrument Cluster DTC Troubleshooting Data Version: 1.1 Date: 13-July-2021 Author: Deepak Pujari Page: 82 of 108 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. D0320-08:- Lost Message from VCU - Message Timeout Failure Overview:- ISO Code D0320-08 Customer Symptom Battery High Temp TT ON, Motor High Temp TT ON, Zero Charge TT ON, HV Critical TT ON, EV Limp Home TT ON, LV battery Charge TT ON Fault Effects (On Vehicle) No effect. Lamp Status (If Any) Most of the Lamps will turn ON Fault Detection Condition 1. VCU connector is not connected properly or disconnected from its location 2. CAN Stub wire from VCU connector side is disconnected. 3. VCU ECU is not powered up. Normal Operating Condition VCU ECU communicates properly with TML diagnostic Tool. Probable Trouble Area Disconnection of the VCU connector Healing Condition To fix the VCU connector correctly and Fix the wiring harness issues from VCU side.
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