Vehicle Platform: Zest, Bolt, Tiago, Tigor, Osprey, Q501, X451, Q502 ECU Name: Hella Body Control Module (BCM) DTC Troubleshooting Data Version: 3.5 Date: 26-02-2020 Author: BCM COC Page: 440 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. Wait for 5 seconds. Provide Lock and Unlock command Read DTCs from BCM ECU Is B1630 - 62 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 B1630 - 62: Driver Door Lock/Unlock Signal - Signal Compare Failure
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