TIAGO

TIAGO AMT Gasoline

DTC Troubleshooting Guide

Version: 2.0

Date: 06-06-2016

Author: Sathi/Anupama

Page: 66 of 424

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.

On first occurrence, clear the DTC and drive the vehicle for 2-3 kms, read the DTC again. On fault confirmed again, follow

below steps.

Step Checks

IF YES

IF NO

Unmount and remove the TCU from the valve

body. Inspect the condition of the Hydraulic

sensor (OPS) (refer fig below). Is the sensor

and pins visibly undamaged?

Go to Step 2

Replace the sensor/TCU.

Inspect the sensor connector on TCU main

board for loose fit/disconnection/pin damage. Is

the sensor connected properly?

Go to Step 3

Fit the sensor back

properly.

If sensor connector

damage then replace the

TCU.

3. Replace the TCU

After rectificatio

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: