`28 0 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 Trouble Shooting:- Flow Diagram for diagnosing the Fault: 1. Read the DTC’s using the Tata Diagnostic Tool and check whether Fault Code P30E4-00 is in Confirmed or Memorized state. A. If DTC is in Confirmed state: i. Save the freeze frame data and DTC. ii. Switch OFF the Vehicle, after 2 min MCU goes off. Now, Switch ON and Crank the Vehicle. iii. Read the DTC’s again using tool. If DTC is still in Confirmed State, Contact the authorized dealer & replace the E-Drive. iv. If in Memorized state, go to step B, B. If DTC is in Memorized state: i. Send the clear DTC command using tool. If DTC’s are not cleared,. Step 1: Send the request again and check. Step 2: Check MCU is responding or not. Check LV supply connection. ii. If DTC is cleared, Switch OFF the Vehicle. After 2 min MCU goes off. Now, Switch ON and Crank the vehicle. iii. Read the DTC’s again using tool. If DTC is still in Confirmed State, save the freeze frame data & DTC. Contact the authorized dealer &replace the E-drive. If DTC is not present, Repair is complete. Conditions/Points to be Checked after Repair:- After rectification, ensure the following points by referring E-drive parameters using TML diagnostic tool before handing over to customer. After cranking the vehicle, check the following using DID:- HV voltage (0x0513):- whether it is in the range. State of E-Drive (0x0514):- 1) 3 for N mode 2) 4 for D, S, R mode. Torque while driving the vehicle (0x0511).
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