Vehicle Platform: OSPREY ECU Name: Hella Body Control Module (BCM) DTC Troubleshooting Data Version: 1.4 Date: 15 May 2018 Author: Body CoC Page: 438 of 855 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 ISO Code B1609 - 12 Customer Symptom No locking action happened on operating the vehicle lock. Fault Effects (On Vehicle) Driver's door will not lock Lamp Status (If Any) NA Fault Detection Condition If short to battery fault is detected for Driver Door Lock Signal, then this DTC code will be returned with the routine results. Normal Operating Condition There should not be any fault returned by routine Probable Trouble Area 1. BCM connector Fault 2. Cockpit wiring harness Short to battery or open circuit 3. Actuator is damaged or stuck or faulty 4. BCM ECU fault Healing Condition 1. Ignition OFF ON 2. Clear DTC Command Component Details: Door Relay, BCM connector Functionality: If the Driver door Actuator is short to Battery or Open Circuit, then the Driver's door will not lock. Preliminary Checks: 1. Check Battery Voltage (12.5 V & above) 2. Check ECU pins for oxidation, bending & damage. Trouble Shooting:
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