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: 559 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. B1F11 – 15: Ambient Door Pocket Lights – circuit short to battery or open Overview: ISO Code (DTC Code) B1F11 - 15 Customer Symptom N/A. Fault Effects (On Vehicle) Ambient Door pocket LEDs lamp does not come ON. Lamp Status (If Any) Ambient Door pocket LEDs lamp permanently off till the fault persist. Fault Detection Condition This fault gets logged by BCM when Ambient Door pocket LEDs lamp output is shorted to battery. Normal Operating Condition Ambient Door pocket LEDs lamp should turn ON whenever door is open. Probable Trouble Area 1. BCM connector wired wrong 2. Ambient Door pocket LEDs lamp harness wire shorted to battery. 3. Ambient Door pocket LEDs lamp Node/components damaged. Healing Condition 1. Ignition OFF  ON 2. Clear DTC Command Component Details: User turns ON Ambient Door pocket LEDs lamp, while door is open. Preliminary Checks: 1. Check Battery Voltage (9V-16V) 2. Check ECU pins for oxidation, bending & damage.