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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: