Vehicle Platform: NEXON, X4, Q5, TIGOR_MCE ECU Name: PEPS DTC Troubleshooting Data Version: 1.8 Date: 28 Feb 2023 Author: Rajasekhara Reddy Page: 362 of 407 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. Trouble Shooting:- DTC’s confirmation:- 1. After rectification, ensure the following points using TML diagnostic tool before handing over to customer. 2. Check whether BCM ECU is communicating with diagnostic Tool or not. 3. DTC should not be present in ECU memory. Start Read IVN DTCs in PEPS If MTO logged against BCM in current state? No (In history) Check continuity between BCM CAN_H (Connector A pin no. 48 ) to IPC CAN_H and BCM CAN_L (Connector A pin no. 49 ) to IPC CAN_L in vehicle wiring side connector. Is continuity there? Repair the wiring harness Clear DTC Stop Check Ignition and Ground of BCM is properly connected or not. Also check fuse blown (fuse-5A ) Do necessary repair in the harness Yes Yes No U0140-08 Loss of communication with BCM- BCM Message Time Out Failure
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