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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: 381 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.
B1610 - 12: Driver Door Unlock Signal - Circuit short to Battery or Open Circuit
Overview:
ISO Code
B1610 - 12
Customer Symptom
No Unlocking action happened on operating the vehicle
unlock.
Fault Effects (On Vehicle)
Driver's door will not unlock
Lamp Status (If Any)
NA
Fault Detection Condition
This fault will be logged after the input switch test routine
execution. User has to operate the switch manually during
routine. If short to battery or open circuit fault is detected for
Driver Door Unlock 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. Right side 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:
Driver Door Actuator, BCM connector
Functionality:
If the Driver door Actuator is short to Battery or Open Circuit, then the Driver's door will not unlock.
Preliminary Checks:
1. Check Battery Voltage (12.5 V & above)
2. Check ECU pins for oxidation, bending & damage.
Trouble Shooting: