NEXON NEW MCE-2 DCT BS VI DTC Troubleshooting Guide Version: 1.0 Date: 16-06-2023 Author: Akash/Rahul Page:566 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. 165. U2007-00 Both rear wheel signals not reliable: Overview: ISO Code U2007-00 Customer Symptom none Fault Effects (On Vehicle) none Lamp Status (If Any) Transmission fault lamp ON(Service indication 0x2) Fault Detection Condition Set the left and right wheel rear wheel speed signal on CAN to error value (e.g. by disconnecting sensor on wheel). + when both rear wheel speeds have a delta with front wheel speed > 20kph (FFT=1100ms) Normal Operating Condition ABS ECU communicated properly with DCT TCU Probable Trouble Area 1. ABS/ESP controller 2. ABS/ESP controller or wheel sensor mounting & connector. 3. Vehicle side connector on TCU. 4. Wiring harness towards TCU. Healing Condition The reaction is cleared during driving if the detection is FALSE for more than 1100 ms Component Details:- Controller Area Network or CAN protocol is a method of communication between various electronic devices like engine management systems, ABS, gear control, lighting control, air conditioning, airbags, central locking etc. embedded in an automobile. Preliminary Checks:- 1. Check for short conditions between CAN_H-CAN_L, CAN_H-GND, CAN_L-GND, CAN_H-Vbatt and CAN_L-Vbatt at OBD connector. There should not be any short circuit conditions. 2. Check wiring harness with respect to CAN H and CAN L. Trouble Shooting:- Step Checks IF YES IF NO
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