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Vehicle Platform: Tiago,Tigor & Osprey
ECU Name: Hella Body Control Module (BCM)
DTC Troubleshooting Data
Version: 2.0
Date: 22-10-2018
Author: Parag K
Page: 709 of 737
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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.
B225E – 15: Left Reverse Lamp Circuit – Short to Battery or Open Circuit
Overview:
ISO Code
B225E – 15
Customer Symptom
Left Reverse Lamps always ON.
Fault Effects (On Vehicle)
1. Left Reverse Lamp always ON.
2. Battery Drain
Lamp Status (If Any)
Always ON
Fault Detection Condition
This fault gets logged by BCM when left Reverse lamp
output is shorted to battery or open circuit
Normal Operating Condition
Reverse lamp comes ON when reverse gear is
engaged.
Probable Trouble Area
1. BCM connector Fault
2. Left Reverse lamp output wire Short to battery
or open circuit
3. Left Reverse Lamp bulb blown /lamp damaged
4. BCM ECU fault
5. Left Reverse lamp mating connector fault
Healing Condition
1. Ignition OFF
ON
2. Clear DTC Command
Component Details:
Left Reverse lamps are located at left rear side of vehicle. Reverse lamp comes ON when reverse gear
is engaged
Preliminary Checks:
1. Check Battery Voltage (12.5 V & above)
2. Check ECU pins for oxidation, bending & damage.
Trouble Shooting:-