TIAGO AMT Gasoline DTC Troubleshooting Guide Version: 2.0 Date: 06-06-2016 Author: Sathi/Anupama Page: 250 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. P0750 & P0755, Are electrical connections OK? connections as per the circuit schematic 4 Using TCU diagnostic tool, initiate a grid learning procedure Are gears engaging and disengaging freely and grid learning is successfully executed? Recheck the above steps Replace parts in following order and re-verify: 1>Valve body (MGA) 2>Gearbox 3>Entire Transmission - 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 Ensure no DTC is active and Transmission Fault Lamp is OFF. Circuit Schematic Diagram:
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