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: 719 of 737
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TATA MOTORS Ltd.
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BCM ECU Faulty
Replace BCM ECU
Is connector
faulty?
Correct connector fault
(Terminals Bend)
YES
1.Take out right reverse 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
[C2-1]
and BCM battery
[ C3-2/ C3-1]
1.Remove right reverse 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 right reverse lamp output wire
[C2-1]
from connector
3.Reconnect all connectors including battery
4.Check if right reverse lamp is ON?
right reverse lamp
is ON?
Reconnect all
connectors firmly
YES
NO
YES
NO
NO
A
B
B225F – 15: Right reverse Lamp circuit –Short To Battery / Open




