NEXON NEW MCE-2 DCT BS VI DTC Troubleshooting Guide Version: 1.0 Date: 16-06-2023 Author: Akash/Rahul Page:252 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. temperature sensor) in case sensor is NOK 2. Check the coolant level in the vehicle. If low, refill the coolant to required level. Clear the DTC and check if the DTC does not come back. Go to step 3 3. If fault 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 4 4 If fault persists, check engine coolant pump for any damage. Clear the DTC and check if the DTC does not come back. Go to step 5 5 If fault persists, check oil level & perform oil levelling procedure. Clear the DTC and check if the DTC does not come back. Go to step 6 6 If fault 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. Go to step 7 7 If fault persists, check if transmission oil cooler is damaged or clogged by external substances. If clogged/damaged, replace the oil cooler. Clear the DTC and check if the DTC does not come back. Go to step 8 8 f DTC persists, check oil sump temperature sensor resistance over connector pins. As per resistance check procedure Clear the DTC and check if the DTC does not come back.if <NOK> replace cable harness (including temperature sensor) • 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.
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