TIAGO AMT Gasoline DTC Troubleshooting Guide Version: 2.0 Date: 06-06-2016 Author: Sathi/Anupama Page: 292 of 424 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 reverify: 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 - 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. stays at last read value before handing over vehicle to the customer. Circuit Schematic Diagram:
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