NEXON AMT BS VI DTC Troubleshooting Guide Version: 2.3 Date: 23-07-2019 Author: Rahul N Page: 91 of 442 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. 6 Are any GSL Sensor Signal Pins Short circuited to GND/Battery? Check for inter-short among themselves also. (check pins 17, 15, 13 and 11 at TCU 28 pin connector) Repair the harness as per the schematic Go to Step 7 7 Check Ignition and ground connections on Lever connector (pin 3 and pin 1 respectively on lever 6pin connector), are they OK? Go to Step 8 Repair the harness as per the schematic 8 Fault Still Persists? Replace GSL lever, if fault persists Replace TCU Follow the steps again for reconfirmation DTC’s confirmation:- After rectification, clear all DTC’s and ensure the following points by referring TCU parameters using TML diagnostic tool before handing over to customer. • After key ON with TML diagnostic tool connected, move the lever to each position and check corresponding position is correctly displayed in the tool. • Drive the vehicle through all gears in both Automatic and Manual modes. • Ensure no DTC is active and Transmission Fault Lamp is OFF. Circuit Schematic Diagram:
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