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: 612 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. Trouble Shooting:- Start Turn IGN OFF – ON and wait for 5 seconds Clear DTCs from BCM ECU  Turn IGN OFF – ON and Start the Engine.  Make sure engine is running with above 600 rpm.  Press Rear Defogger switch either on the FACIA switch bank or on FATC control panel.  Wait for 5 seconds. Read DTCs from BCM ECU Is B221E - 11 DTC present Yes Connect the vehicle battery, BCM, and components, if disconnected. Measure Battery Voltage Is battery voltage in range (9V to 16V) Yes Stop No Charge the battery and/or replace battery No B A