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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: 398 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.
BCM ECU Faulty
Replace BCM ECU
Continuity
found?
Correct BCM side wiring harness
(Short To Ground)
YES
Check continuity between BCM connector pin
[C1-29]
and BCM ground pin
[ C1-34/ C1-476]
1. Take out the relay from its mounting base.
2. Check the continuity between the two
terminals of relay coil.
Is Relay
faulty?
Replace with the correct and
working Relay
YES
NO
NO
A
B
B1609 - 14: Door Lock Relay - Circuit Short to Ground or Open
YES
1.Remove door lock relay mating connector
2. Perform the visual check of connectors for pin
bend or damaged etc.
Is connector
faulty?
Correct Relay mating
connector fault
(Terminals Bend)
NO