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: 917 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. B1000 – 1C: Airbag Crash Signal – circuit voltage out of range Overview: ISO Code B1000 – 1C Customer Symptom Unknown. Fault Effects (On Vehicle) User will not be able to operate Door open due to lock condition. Lamp Status (If Any) NA Fault Detection Condition Unknown. BCM connector wired wrong, switch damaged Normal Operating Condition If the IGN is ON/Run, vehicle is locked, when for Airbag Crash Signal voltage is out of range. Probable Trouble Area 1. BCM connector Fault 2. Airbag Crash Signal voltage is out of range. 3. BCM ECU fault Healing Condition 1. Ignition OFF  ON 2. Clear DTC Command Component Details: Switch Preliminary Checks: 1. Check Battery Voltage (12.5 V & above) 2. Check ECU pins for oxidation, bending & damage.