Vehicle Platform: Zest, Bolt, Tiago, Tigor, Osprey, Q501, X451, Q502 ECU Name: Hella Body Control Module (BCM) DTC Troubleshooting Data Version: 3.8 Date: 17-10-2022 Author: BCM COC Page: 1090 of 1202 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. B1648 – 00 : VIN Number Mismatch With IPC – no sub type information Overview: ISO Code (DTC Code) B1648 - 00 Customer Symptom No effect. Fault Effects (On Vehicle) Engine will not start. Lamp Status (If Any) No Odometer Learning. Fault Detection Condition VIN number mismatch with IPC hence Odometer value backup is not updated. Normal Operating Condition WIN number Must match with IPC hence Odometer value back-up is updated properly. Probable Trouble Area 1. VIN number not correctly written into BCM. Healing Condition 1. Ignition OFF ON. 2. Clear DTC Command. Component Details: VIN number mismatched hence Odometer value back-up is not updated. Preliminary Checks: 1. Check Battery Voltage (9V-16V) 2. Check ECU pins for oxidation, bending & damage.
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