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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: 450 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.
B
C
Check continuity between BCM connector pin
[C2-18]
and BCM Battery voltage pin
[C1-34/ C1-47]
Continuity found?
Correct BCM side wiring harness
(Short To Ground)
Yes
1.Remove Interior Lamp mating connector
2.Perform the visual check of connectors for pin bend or
damaged etc.
Is connector faulty?
Correct connector fault
(Terminals Bend)
1.Remove all BCM connector
2.Take out Interior Lamp output wire
[C2-18]
from
connector
3.Reconnect all connectors including battery
Roof Lamp
functionality is ON?
Reconnect all
connectors firmly
BCM ECU faulty
Replace BCM ECU
Yes
Yes
No
No
No