TIAGO TIGOR BSVI - SERVICE MANUAL - DTC 24-12-2021

Vehicle Platform: Zest, Bolt, Tiago, Tigor, Osprey, Q501, X451, Q502 ECU Name: Hella Body Control Module (BCM) DTC Troubleshooting Data Version: 3.1 Date: 30-11-2019 Author: BCM COC Page: 1020 of 1106 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. Start Read IVN DTCs in BCM If MTO logged against VCU in current state? No (In history) Check continuity between VCU CAN_H to BCM CAN_H and VCU CAN_L to BCM CAN_L in vehicle wiring side connector. Is continuity there? Repair the wiring harness Clear DTC Stop Check Ignition, Battery and Ground of VCU is properly connected or not. Also check fuse blown(Ignition-10A, Battery- 10A,15A,20A) Do necessary repair in the harness Yes Yes No U1320-08 Lost Communication With Vehicle Control Unit (VCU) Is DTC U1320-08 still present? No Check the VCU and replace VCU. Yes