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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: 402 of 737
Copyright ©
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.
B1609 - 12: Door Lock Relay - Circuit Short to Battery
START
Connect Diagnostic tool and check for DTCs
Is DTC B1609 –
12 present?
STOP
NO
Check DTC present is Permanent or Historic
Is History?
1. Clear the DTC from memory
2. Turn the IGN to OFF
3. Start the IGN
Is DTC B1609 -
12 present?
NO
YES
YES
NO
Disconnect vehicle battery connection.
(Please follow the safety guidelines)
Check the physical connection of the BCM
connector & All door lock relay connector.
Are connectors
loose ?
Reconnect
connectors firmly
YES
1.Remove BCM side wiring harness Connector.
2.Perform visual check of connectors for pins bent or
damaged etc.
Is connector
faulty?
Correct connector fault
(Terminals Bend)
YES
NO
NO
B
YES
A