NEXON NEW MCE-2 DCT BS VI DTC Troubleshooting Guide Version: 1.0 Date: 16-06-2023 Author: Akash/Rahul Page:639 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. 122 P3104-25 Clutch 2 Speed Signal Noise Transmission Fault Lamp ON 1. Transmission wiring loom (Speed sensor). 2. Speed sensor. 3. TCU. 123 P3104-27 Clutch 2 Speed Signal High Gradient Transmission Fault Lamp ON 1. Transmission wiring loom (Speed sensor). 2. Speed sensor. 3. TCU. 124 P3105-64 Multiple Clutch Speeds Implausible Transmission Fault Lamp ON 1. Transmission wiring loom (Speed sensor). 2. Speed sensors. 3. TCU. 4. Oil filter and HCU. 125 P3106-64 Clutch 1 speed direction Plausibility Failure Transmission Fault Lamp ON 1. Transmission wiring loom (Speed sensor). 2. Speed sensor. 3. TCU. 126 P3107-64 Clutch 2 speed direction Plausibility Failure Transmission Fault Lamp ON 1. Transmission wiring loom (Speed sensor). 2. Speed sensor. 3. TCU. 127 P3110-01 Drum position plausibility error between BLDC motor and drum angle sensor Transmission Fault Lamp ON 1. drum angle sensor. 2. BLDC motor. 3. Transmission. 128 P3113-00 Drum Homing Failure 1.Transmission lamp = ON 2.All gear disable 3.Creep disable 4.R, M, D, N Mode disable, P enable. 5.Clutch state = OPEN 6.Vehicle Not able to move. 1. TCU. 2. BLDC motor. 3. Transmission. 129 P3115-01 BLDC actuation General error Transmission Fault Lamp ON 1. TCU temperature. 2. TCU. 130 P3115-16 BLDC actuation Circuit gate Driver Voltage Below Threshold Transmission Fault Lamp ON 1. TCU temperature. 2. TCU. 131 P3115-13 BLDC actuation open phase, short to ground or short to battery detected 1.Transmission lamp = ON 2.ALL gear and creep Disable. 3.R, M, D mode disable. 4.Vehicle unable to drive. 5.Clutch state = OPEN 1. Transmission wiring loom (TCU/BLDC). 2. TCU. 3. BLDC motor. 132 P3115-17 BLDC actuation Circuit Supply Voltage Above Threshold Transmission Fault Lamp ON 1. TCU supply voltage + battery voltage. 2. TCU.
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