`62 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 P308E-01:- Power Module Discharge Error-General Electric Failure Overview: ISO Code (If applicable) P308E – 01 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 After the Discharge command is given to MCU, the MCU Takes more than 3s to reach voltage less than 60V. Probable Causes Discharge Circuit fault. Discharge cycle interruption because of the other fault trigger in system. Main Contactor not Disconnected. 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. LV signal HV BATTERY E-DRIVE WHEEL
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