2346 / 4910
Vehicle Platform: OSPREY
ECU Name: Hella Body Control Module (BCM) DTC
Troubleshooting Data
Version: 1.4
Date: 15 May 2018
Author: Body CoC
Page: 266 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.
B2261 – 15: Right Daylight Running Lamp - Circuit Short to Battery or Open Circuit
Overview:
ISO Code
B2261 – 15
Customer Symptom
Right Daylight Running Lamp always ON
Fault Effects (On Vehicle)
1. Right Daylight Running Lamp always ON
2. Battery drain
Lamp Status (If Any)
Always ON
Fault Detection Condition
This fault gets logged by BCM when Right Daylight
Running Lamp output is shorted to battery or open
circuit
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. Right Daylight Running Lamp output wire Short
to battery or open circuit
3. Right Daylight Running Lamp bulb blown /lamp
damaged
4. BCM ECU fault
5. Right Daylight Running Lamp mating connector
fault
Healing Condition
1. Ignition OFF
ON
2. Clear DTC Command
Component Details:
Daylight Running lamps (DRL) are located at right 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) right DRL output wire (c4-39) and battery. B) Between BCM pin (c4-39)
and BCM battery (c3-2 / c3-1). C) Check for short within BCM. If found , rectify fault
3) Remove right DRL and check continuity between BCM pin (c4-39) and BCM battery (c3-2 / c3-1). If
continuity found, correct BCM side wiring harness.
4) Check BCM and right daylight running lamp connectors for terminal back out. If connected loosely,
reconnect firmly and check.
5) Remove BCM side connector and perform visual check of connectors for pin bent or damage etc. If
found faulty, correct fault.
6) Take out right DRL and check if bulb is blown. if bulb blown (i.e, open circuit), replace the bulb.
7) Remove DRL side mating connector and perform visual check of connector for pin bent or damaged
etc. If found faulty, correct fault.