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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: 171 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.
BCM ECU Faulty
Replace BCM ECU
Is connector
faulty?
Correct connector fault
(Terminals Bend)
YES
1.Take out left front fog lamp bulb.
2. Check if bulb is blown
Continuity found?
Correct BCM side wiring harness
(Short To Battery)
YES
NO
Check countinuty between BCM connector pin
[C2-10]
and BCM battery
[ C3-2/ C3-1]
1.Remove left front fog lamp mating connector
2. Perform the visual check of connectors for pin bend or
damaged etc.
Is connector faulty?
Correct connector fault
(Terminals Bend)
YES
NO
Bulb blown?
Replace the bulb
(Open Circuit)
1.Remove all BCM connector
2.Take out left front fog lamp output wire
[C2-2]
from connector
3.Reconnect all connectors including battery
4.Check if left front fog lamp is ON?
left front fog lamp
is ON?
Reconnect all
connectors firmly
YES
NO
YES
NO
NO
A
B
B221F – 15: Left front fog Lamp circuit –Short To Battery / Open