NEXON NEW MCE-2 DCT BS VI DTC Troubleshooting Guide Version: 1.0 Date: 16-06-2023 Author: Akash/Rahul Page:640 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. 133 P3118-00 Both Clutches failed When Corrective reaction clutch 1 and clutch 2 deactivated Transmission Fault Lamp ON 1. TCU. 2. HCU. 134 P3119-FE Speeds mismatched between Clutch 1 and Front Wheels Transmission Fault Lamp ON 1. Physical failures on driveshafts/ ABS speed tooth ring. 2. ABS for fault codes on speed signals. 3. Transmission wiring loom (Speed sensor). 4. Speed sensor. 5. TCU. 135 P3119-FF Speeds mismatched between Clutch 2 and Front Wheels Transmission Fault Lamp ON 1. Physical failures on driveshafts/ ABS speed tooth ring. 2. ABS for fault codes on speed signals. 3. Transmission wiring loom (Speed sensor). 4. Speed sensor. 5. TCU. 136 P3120-00 Gear actuation failure on synchronizer engagement Transmission Fault Lamp ON 1. Clutch cooling valve. 2. BLDC motor (coil resistance U-V / VW / W-U = 46,6 mOhm, if value is deviating > 5 mOhm = NOK). 3. TCU. 4. BLDC motor. 5. Transmission. 137 P3122-02 BLDC position/speed error: actual speed/position invalid 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 (BLDC 5V supply). 2. TCU. 3. BLDC motor. 138 P3122-64 BLDC position/speed error: actual speed/position implausible Transmission Fault Lamp ON 1. Transmission wiring loom (BLDC 5V supply). 2. TCU. 3. BLDC motor. 139 P3123-08 BLDC Actuation circuit communication error Transmission Fault Lamp ON TCU 140 P3123-1C BLDC actuation circuit DRAIN-SOURCE VOLTAGE ERROR Transmission Fault Lamp ON 1. Transmission wiring loom (TCU/BLDC). 2. TCU. 3. BLDC motor. 141 P3123-1D BLDC actuation circuit: Requested Current Out Of Range Transmission Fault Lamp ON 1. Transmission wiring loom (TCU/BLDC). 2. TCU. 3. BLDC motor.
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