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: 46 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. U1302 – 88 :- LIN Bus A - bus off Overview: ISO Code U1302-88 Customer Symptom Loss of alarm functionality. Fault Effects (On Vehicle) Loss of alarm functionality. Lamp Status (If Any) N.A Fault Detection Condition If the LIN A slave mismatches are detected between the transmitted bit value and the bit value which is read back from the bus within configurable time of 1000ms, then this DTC shown over BCM side. Normal Operating Condition LIN A Communication works fine. Probable Trouble Area 1. LIN transceiver fault. 2. BCM connector wired wrong. 3. Harness wire shorted. Healing Condition 1. LIN communication established properly. 2. Clear DTC Command