NEXON NEW MCE-2 DCT BS VI DTC Troubleshooting Guide Version: 1.0 Date: 16-06-2023 Author: Akash/Rahul Page:629 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. 28 P0715-86 Speed sensor measurement channel 3: Signal Incorrect ((Input shaft) Transmission lamp = ON. All gear and creep enable. Vehicle able to drive. 1. Wiring loom towards the turbine speed sensor. 2. Turbine speed sensor. 3. Damaged TCU. 29 P0720-12 Speed sensor measurement channel 1: short-circuit to battery((Outershaft clutch 1) Transmission lamp = ON. All gear and creep enable. Vehicle able to drive. 1. wiring loom towards the secondary speed sensor 2. secondary speed sensor 3. TCU damaged. 30 P0720-14 Speed sensor measurement channel 1: short-circuit to ground or open circuit Outershaft clutch 1) 1.Transmission lamp = ON 2.All gear, Creep active. 3.Vehicle able to drive 1. wiring loom towards the secondary speed sensor 2. secondary speed sensor 3. TCU damaged. 31 P0720-86 Speed sensor measurement channel 3: Signal Incorrect (Outershaft clutch 1) Transmission Fault Lamp ON 1. wiring loom towards the secondary speed sensor 2. secondary speed sensor 3. TCU damaged. 32 P0745-12 Pressure control solenoid 1 (EDS 1) clutch2 actuator): short-circuit to battery Transmission Fault Lamp ON 1. Transmission wiring loom for any damage. 2. TCU Damaged. 3. Hydraulic unit & transmission oil. 33 P0745-13 Pressure control solenoid 1 (EDS 1) clutch2 actuator: open circuit 1.Transmission lamp = ON 1. Transmission wiring loom for any damage. 2. TCU Damaged. 3. Hydraulic unit & transmission oil. 34 P0745-19 Pressure control solenoid 1 (EDS 1) clutch2 actuator: over current Transmission Fault Lamp ON 1. Transmission wiring loom for any damage. 2. TCU Damaged. 3. Hydraulic unit & transmission oil. 35 P0745-98 Pressure control solenoid 1 (EDS 1) clutch2 actuator: over temperature Transmission Fault Lamp ON 1. Transmission wiring loom for any damage. 2. TCU Damaged. 36 P0746-07 Clutch 2 actuation pressure below target Transmission Fault Lamp ON 1. TCU EEPROM 2. oil level 3. Drain oil and check for metallic particles in oil. 4. oil is contaminated 5. Gasket between HCU and clutch housing. 6. HCU 7. TCU 37 P0746-77 Clutch 2 actuation pressure above target Transmission Fault Lamp ON 1. TCU EEPROM.
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