NEXON NEW MCE-2 DCT BS VI DTC Troubleshooting Guide Version: 1.0 Date: 16-06-2023 Author: Akash/Rahul Page:627 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. 10 P0641-17 5V sensor supply: voltage too high No gearshifts Engine not cranking Creeping inactive 1. Electrical connection to the pressure sensor & gear angle sensor 2. Transmission wiring harness. 3. TCU damaged. 4. Angle Sensor. 5. Hydraulic block containing the pressure sensor. 11 P0651-01 Speed sensor supply: undervoltage or overcurrent Transmission Fault Lamp ON 1. Electrical connection to the turbine, primary & secondary speed sensor. 2. Transmission wiring harness. 3. Speed sensor. 4. TCU Damaged. 12 P0651-11 Speed sensor supply: shortcircuit to ground 1.Transmission light = ON 2. Creep and Drive not possible 3. R, M Disable. 1. Electrical connection to the turbine, primary & secondary speed sensor. 2. TCU Damaged 13 P0657-19 High side output: over current Transmission Fault Lamp ON 1. External wiring loom of the transmission for any damage. 2. Damage TCU. 3. Internal wiring loom & hydraulic block of the transmission. 4. Hydraulic block & transmission oil. 14 P0657-11 High side output: shortcircuit to ground 1.Transmission lamp = ON 2.TransMilReq = 0x00 3.All gear disable 4.Creep disable 5.R, M Mode disable, P, N, D enable. 6.Clutch state = OPEN 7.Vehicle Not able to move. 1. External wiring loom of the transmission for any damage. 2. Damage TCU. 3. Internal wiring loom & hydraulic block of the transmission. 4. Hydraulic block & transmission oil. 15 P0657-09 High side output: pin connection failure Transmission Fault Lamp ON 1. External wiring loom of the transmission for any damage. 2. Damage TCU. 3. Internal wiring loom & hydraulic block of the transmission. 4. Hydraulic block & transmission oil. 16 P0666-11 Board temperature sensor: short-circuit to ground Transmission Fault Lamp OFF TCU Damaged. 17 P0701-00 Multiple fault to open powertrain Clutch open No gear change Vehicle unable to crank 1. All internal speed sensors. 2. Connection to gear shift lever module. 3. Oil sump temperature sensor.
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