TIAGO

TIAGO AMT Gasoline

DTC Troubleshooting Guide

Version: 2.0

Date: 06-06-2016

Author: Sathi/Anupama

Page: 279 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.

gears for 5

kms

,Recheck

the above

steps if

fault

recurring

Check the Electric motor (refer DTC

P185C), are the connections and

grounding proper?

Replace

the motor

and

recheck

step 3,

If problem

persists

Goto step 6

Rectify/Replace the motor

Replace parts in following order and re-

verify:

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

Ensure no DTC is active and Transmission Fault Lamp is OFF.

gh the diagnostic tool and ensure it stays

at last read value before handing over vehicle to the customer.

Circuit Schematic Diagram: