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 reverify: 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:
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