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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: