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Vehicle Platform: OSPREY
ECU Name: Hella Body Control Module (BCM) DTC
Troubleshooting Data
Version: 1.4
Date: 15 May 2018
Author: Body CoC
Page: 793 of 855
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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.
Is connector faulty?
Correct connector fault
(Terminals Bend)
YES
Check continuity between BCMconnector pin and BCM
ground
Continuity
found?
Correct BCM side wiring harness
( Short to Ground)
YES
1. Remove Unlock switch mating connector
2. Perform the visual check of connectors for pin bend or
damaged etc.
Is connector faulty?
Correct connector fault
(Terminals Bend)
YES
NO
Check continuity between two terminals of Internal
Unlock switch
Continuity found?
1. Switch is faulty
2. Replace Internal Unlock
Switch
BCM ECU Faulty
Replace BCM ECU
Check continuity between unlock switch terminal and
ground
Continuity
Found?
Correct Internal unlock switch
side wiring harness
( Short to Ground)
NO
YES
NO
NO
NO
YES
A
B