TIAGO/TIGOR AMT Gasoline DTC Troubleshooting Guide Version: 4.0 Date: 18-04-2017 Author: Sathi/Anupama Page: 250 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. as for DTC’s – 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 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 Ensure no DTC is active and Transmission Fault Lamp is OFF. Circuit Schematic Diagram:
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