`83 Author: Neha Patil/Ganesh Kalkekar 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 LR DTC Troubleshooting Data Version: 1.0 Date: 18-07-2023 P30D8 - 27:- Drive Motor Resolver Excitation period Fault-signal rate of change above threshold Overview: ISO Code (If applicable) P30D8 - 27 Customer Symptom Vehicle gets Stop. Fault Effect (On Vehicle) Vehicle goes from D-N Mode and Vehicle can’t be Cranked. Lamp Status (If Any) HV critical alert lamp on cluster glows DTC Trigger Condition above the ExcSigPer_H threshold Probable Causes (Trouble Area) Resolver related parts failure Healing Condition Ignition Reset Write up for the system:- E-drive is a three in one unit which consist of Electric motor, Motor Controller Unit and Gear-Box, Where this unit draws power from the High voltage battery and convert that electric power into kinetic energy which helps to rotate the vehicle. During braking vehicle kinetic energy convert in to electric energy. Trouble Shooting:- Flow Diagram for diagnosing the Fault: 1. Read the DTC’s using the Tata Diagnostic Tool and check whether Fault Code P30D8-27 is in Confirmed LV signal HV BATTERY E-DRIVE WHEEL
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