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: 385 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.
B1630 - 62: Driver Door Lock/Unlock Signal - Signal Compare Failure
Overview:
ISO Code (DTC Code)
B1630 - 62
Customer Symptom
Driver's door locking/unlocking is uncertain.
Fault Effects (On Vehicle)
Driver's door locking/unlocking is uncertain.
Lamp Status (If Any)
NA
Fault Detection Condition
If both the Driver door lock signal and Driver door unlock
signal are active (Short to Ground) at the same time, then
there will be signal compare failure between Driver door lock
signal and Driver door unlock signal.
Normal Operating Condition
Driver door actuator should get lock with lock operation and
Driver door actuator should get unlock with unlock operation.
Probable Trouble Area
1. BCM connector Fault
2. Right side wiring harness short to ground
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
Preliminary Checks:
1. Check Battery Voltage (9V-16V)
2. Check ECU pins for oxidation, bending & damage.




