TIAGO/TIGOR AMT Gasoline DTC Troubleshooting Guide Version: 4.0 Date: 18-04-2017 Author: Sathi/Anupama Page: 91 of 427 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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