NEXON NEW MCE-2 DCT BS VI DTC Troubleshooting Guide Version: 1.0 Date: 16-06-2023 Author: Akash/Rahul Page:11 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. DTC does not come back. 4 If DTC persists, check if the coolant is contaminated with external fluid. Replace the coolant. Clear the DTC and check if the DTC does not come back. Go to step 5 5 If DTC persists, check engine coolant pump for any damage. Clear the DTC and check if the DTC does not come back. Go to step 6 6 If DTC persists, check oil level & perform oillevelling procedure. Clear the DTC and check if the DTC does not come back. Go to step 7 7 If DTC persists, check if transmission oil cooler connections are proper. If not, connect them properly. Clear the DTC and check if the DTC does not come back. • Resistance Check ➢ Disconnect 28 pole transmission side connector (X-201) and check below resistance at (X-201) connector terminal pin no. 10 (Sump Temperature sensor output) Sump temperature (°C) Sensor resistance (Ω) Component check > 110000 open Sump temperature sensor is malfunctioning -40 to 0 105000 to 14000 ok 0 to 30 14000 to 4000 ok 30 to 50 4000 to 2000 ok 50 to 100 2000 to 470 ok 100 to 150 470 to 130 ok < 130 short ➢ Disconnect connector Transmision side 28 pole connector (X-201), disconnect transmission circular connector (X-111) and check below resistance at transmission circular connector pins. Measure Resistance (Ω) Component check Pin 13 (T_TEMP1 (X-111,13) to transmission housing > 500k ok Internal wiring harness Pin 14 (T_TEMP_GND (X-111,14) to transmission housing > 500k ok Internal wiring harness
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