Vehicle Platform: Tiago,Tigor & Osprey ECU Name: Hella Body Control Module (BCM) DTC Troubleshooting Data Version: 2.0 Date: 22-10-2018 Author: Parag K Page: 469 of 737 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
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