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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: 460 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 voltage pin
[C3-1/ C3-2]
Continuity found?
Correct BCM side wiring harness
(Short To Battery)
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 OFF after
some time?
Reconnect all
connectors firmly
BCM ECU faulty
Replace BCM ECU
Yes
Yes
No
No
No
DTC’s confirmation:-
After rectification, ensure the following points by using TML diagnostic tool before handing over to customer.