Vehicle Platform: OSPREY ECU Name: Hella Body Control Module (BCM) DTC Troubleshooting Data Version: 1.4 Date: 15 May 2018 Author: Body CoC Page: 260 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. B2260 - 11 Left Daylight Running Lamp - Circuit Short to Ground Overview: ISO Code B2260 - 11 Customer Symptom Left Daylight Running Lamp always OFF Fault Effects (On Vehicle) Left Daylight Running Lamp always OFF Lamp Status (If Any) Always OFF Fault Detection Condition BCM log this fault when Left Daylight Running lamp output is short to ground. Normal Operating Condition DRL turn On when Ignition is ON / vehicle is running and both Headlamp and position lamps are ON. Probable Trouble Area 1. BCM connector Fault 2. Left Daylight Running lamp output wire Short to ground or open. 3. Lamp damaged 4. BCM ECU fault 5. Left Daylight Running lamp mating connector fault 6. Fuse blown Healing Condition 1. Ignition OFF ON 2. Clear DTC Command Component Details: Daylight Running lamps (DRL) are located at left front side of vehicle. DRL turn ON when Ignition is ON / vehicle is running and both Headlamp and position lamps are OFF. Preliminary Checks: 1. Check Battery Voltage (12.5 V & above) 2. Check ECU pins for oxidation, bending & damage Trouble Shooting:- 1. Disconnect Vehicle battery. 2. Check continuity between A) left DRL output wire (c4-52) and ground. B) Between BCM pin (c4-52) and BCM ground (c3-34) C) check for short within BCM. If found , rectify fault 3. Check BCM and left daylight running lamp connectors for terminal back out. If connected loosely, reconnect firmly and check. 4. Remove BCM side connector and perform visual check of connectors for pin bent or damage etc. If found faulty, correct fault. 5. Remove DRL side mating connector and perform visual check of connector for pin bent or damaged etc. If found faulty, correct fault. 6. Check the continuity between two terminals of DRL, if continuity found (i.e. lamp faulty), replace lamp. 7. Remove left DRL and check continuity between BCM pin (c4-52) and BCM ground (c1-34). If continuity found, correct BCM side wiring harness.
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