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: 674 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.
A
Is connector
faulty?
Remove window controller Relay and Check
continuity between BCM connector pin
[C1-28]
and BCM ground pin
[C1-34/C1-47]
.
Continuity
found?
1. Remove window down matting connector.
2. Perform visual check of connector for pins bend or
damaged etc.
Is connector
faulty?
BCM ECU faulty
Replace BCM ECU
Correct connector
fault(Terminals bend)
Correct BCM side wiring
harness.(Short to ground)
Correct connector
fault(Terminals bend)
No
No
Yes
Yes
B
Yes
No
DTC’s confirmation:-
After rectification, ensure the following points by using TML diagnostic tool before handing over to customer.
Check DTC B1236 – 11 is not logged
Circuit Schematic Diagram:-
Please refer latest BCM wiring harness schematic.
Component Location & Image:-




