NEXON NEW MCE-2 DCT BS VI DTC Troubleshooting Guide Version: 1.0 Date: 16-06-2023 Author: Akash/Rahul Page:57 of 645 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. 5 After replacing the hydraulic block &transmission oil, perform the necessary adaptions. Clear the DTC. ➢ Disconnect Transmission side 28 pole connector (X-201) and check below resistance at (X-201) connector terminal Measure Resistance (Ω) Component check PIN 1 (T_VALVE_PWR_123) to pin 25 (T_VALVE_2) 3 to 8 ok Internal, External wiring harness and Solenoid Pin 1 (T_VALVE_PWR_123) to transmission housing > 100k ok Internal, External wiring harness and Solenoid Pin 25 (T_VALVE_2) to transmission housing > 100k ok Internal, External wiring harness and Solenoid Measure Resistance (Ω) Component check Pin 1 (T_VALVE_PWR_123) to Pin 27 (T_VALVE_4) 3 to 8 ok Internal, External wiring harness and Solenoid Pin 1 (T_VALVE_PWR_123) to transmission housing > 100k ok Internal, External wiring harness and Solenoid Pin 27 (T_VALVE_4) to transmission housing > 100k ok Internal, External wiring harness and Solenoid 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:
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