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: 801 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. A B Are connectors loose? 1. Remove BCM Connectors 2. Perform visual check for pin bent or damage Is any connector faulty? Correct the connect fault Yes  Remove the Auto Up ECU Hardwired Wake up.  Check continuity between BCM connector pins Auto Up ECU Hardwired Wake up. No Is continuity found? Correct the BCM side wiring harness to remove wrong continuity Perform visual and functional checks for Auto Up ECU No Yes Reconnect the connectors firmly Yes No C Check BCM Connectors for terminal back out Disconnect vehicle battery connection (Please follow safety guidelines) B1317 - 62: Auto Up ECU Hardwired Wake up Error