TIAGO TIGOR BSVI - SERVICE MANUAL - DTC 24-12-2021

Vehicle Platform: Zest, Bolt, Tiago, Tigor, Osprey, Q501, X451, Q502 ECU Name: Hella Body Control Module (BCM) DTC Troubleshooting Data Version: 3.1 Date: 30-11-2019 Author: BCM COC Page: 439 of 1106 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. 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.