Vehicle Platform: OSPREY ECU Name: Hella Body Control Module (BCM) DTC Troubleshooting Data Version: 1.4 Date: 15 May 2018 Author: Body CoC Page: 662 of 855 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. B1619 - 11: Internal Lock Switch - Circuit Short to Ground ISO Code (DTC Code) B1619 - 11 Customer Symptom Customer is unable to open door. Fault Effects (On Vehicle) Door always locked. Lamp Status (If Any) Fault Detection Condition This fault will be logged with IGN ON and internal lock/unlock switch output short to ground. Normal Operating Condition This fault will be logged with IGN ON and internal lock/unlock switch is pressed then door lock/unlock operation happen alternately. Probable Trouble Area Lock/unlock switch output is Short to ground. ECU fault. Healing Condition Run the input switch test routine and read the DTC. The DTC B1619 – 11 shall not be logged. Component Details: BCM activate the door through internal lock/unlock Switch and output is STG for DTC B1619 - 11. Preliminary Checks: Check Battery Voltage (9V-16V) Check ECU pins for oxidation, bending & damage. Trouble Shooting:-
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