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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: 455 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
[C1-43]
and BCM Battery ground pin
[C1-34/ C1-47]
Continuity found?
Correct BCM side wiring harness
(Short To Ground)
Yes
1.Remove Wake-Up 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 Wake-Up output wire
[C1-43]
from connector
3.Reconnect all connectors including battery.
Other ECUs are
Going to Wake-up?
Reconnect all
connectors firmly
BCM ECU faulty
Replace BCM ECU
Yes
Yes
No
No
No