NEXON NEW MCE-2 DCT BS VI DTC Troubleshooting Guide Version: 1.0 Date: 16-06-2023 Author: Akash/Rahul Page:634 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. 7. Transmission oil cooler is damaged or clogged by external substances. 75 P1657-12 High side stuck: Short Circuit to Battery Transmission Fault Lamp ON 1. External wiring loom of the transmission for any damage. 2. TCU. 3. Internal wiring loom & hydraulic block of the transmission. 76 P1666-4B TCU ambient temperature control: over temperature Transmission Fault Lamp ON 1. TCU for excessive dirt on the fins. 2. Airflow towards the TCU. 3. Vehicle FAN. 4. TCU. 77 P1705-27 Drum sensor defect : high gradient of angle signal (rate of change is implausible) Transmission Fault Lamp ON 1. Transmission wiring loom (angle sensor). 2. Angle sensor. 3. TCU. 78 P1705-85 Drum sensor defect : Signal out of range Transmission Fault Lamp ON 1. Transmission wiring loom (angle sensor). 2. Angle sensor. 3. TCU. 79 P1713-11 Pressure control solenoid 4 (EDS 4) clutch 1 cooling uncontrolled: short-circuit to ground 1.R, M disable and clutch state OPEN. 2.Unable to drive the vehicle. 3.Creep disable 4.Transmission lamp = ON. 5.Clutch OPEN 1. Transmission wiring loom for any damage. 2. TCU. 3. Hydraulic unit & transmission oil. 80 P1715-27 Speed Sensor 3 (input shaft) : Signal high gradient Transmission Fault Lamp ON 1. Transmission wiring loom (angle sensor). 2. Input shaft sensor. 3. TCU. 81 P1715-76 Speed Sensor 3 (input shaft) : Wrong mounting position Transmission Fault Lamp ON 1. Transmission wiring loom (angle sensor). 2. Input shaft sensor 3. TCU. 82 P1715-85 Speed Sensor 3 (input shaft) : Signal out of range Transmission Fault Lamp ON 1. Transmission wiring loom (angle sensor). 2. Input shaft sensor 3. TCU. 83 P1722-11 Pressure control solenoid 5 (EDS 5) line pressure uncontrolled: short-circuit to ground 1.Transmission lamp = ON 2.Clucth state is Open, 3.When ACC pad press, Clucth state slipping. 4.All gear mode enable, But 5.vehicle not able to drive/run. 6.Creeping disable. 1. Transmission wiring loom for any damage. 2. Hydraulic unit & transmission oil. 3. TCU. 84 P1745-11 Pressure control solenoid 1 (EDS 2) clutch 2 cooling uncontrolled: short-circuit to ground 1.Transmission lamp = ON 2.R, M are disable 3.Creep also disable. 1. Transmission wiring loom for any damage. 2. Hydraulic unit & transmission oil. 3. TCU.
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