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TIAGO/TIGOR AMT Gasoline
DTC Troubleshooting Guide
Version: 4.0
Date: 18-04-2017
Author: Sathi/Anupama
Page: 279 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.
gears for 5
kms
,Recheck
the above
steps if
fault
recurring
5
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
6
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
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.
Read Engineering parameter “Pump Over temperature Error counter” through the diagnostic tool and keep as record
Drive the vehicle through all gears in both Automatic and Manual modes
Ensure no DTC is active and Transmission Fault Lamp is OFF.
Read Engineering parameter “Pump Over temperature Error counter” through the diagnostic tool and ensure it stays
at last read value before handing over vehicle to the customer.
Circuit Schematic Diagram: