Vehicle Platform: OSPREY ECU Name: Hella Body Control Module (BCM) DTC Troubleshooting Data Version: 1.4 Date: 15 May 2018 Author: Body CoC Page: 765 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. B1F04-11: Front Courtesy Light - circuit short to ground ISO Code (DTC Code) B1F04-11 Customer Symptom Interior lamp permanently off Fault Effects (On Vehicle) Interior lamp always off. Lamp Status (If Any) NA Fault Detection Condition This fault will be logged when front courtesy light output is short to ground Normal Operating Condition Front Courtesy Light turns ON when any door is open or RKE unlock or KEYIN to KEYOUT transition. Probable Trouble Area 1. 1. BCM connector Fault. 2. 2. Harness issue. 3. 3. Switch fault. 4. 4. ECU fault. Healing Condition 1. 1. Give ignition cycle after fault removal 2. 2. Clear DTC command- No DTC logged Component Details: This lamps turns ON when any door is open or RKE unlock or KEYIN to KEYOUT transition. Preliminary Checks: 1. Check Battery Voltage (9V-16V) 2. Check ECU pins for oxidation, bending & damage.
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