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TIAGO/TIGOR AMT Gasoline
DTC Troubleshooting Guide
Version: 4.0
Date: 18-04-2017
Author: Sathi/Anupama
Page: 292 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
Replace parts in following order and re-
verify:
If the pump failed to turn ON:
4> Replace the Pump relay
5> Replace the TCU
6> Replace the Kit
If the pump turns ON but no Pressure build
up:
5> Check Kit oil, refill if necessary
6> Check for oil leakage / damage to
hydraulic pipes.
7> Replace the TCU
8> Replace the Kit
Recheck the above steps
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.
Drive the vehicle through all gears in both Automatic and Manual modes and ensure no DTC is active and
Transmission Fault Lamp is OFF.
Read Engineering parameter “Misuse Error counter” through the diagnostic tool and ensure it stays at last read value
before handing over vehicle to the customer.
Circuit Schematic Diagram: