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: 767 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. B1325 – 23 : Express down switch – Signal Stuck Low Start Connect the Diagnostic Tool and check for DTCs Is DTC B1325 – 23 present? STOP Check DTC present is Current or history Yes History? Yes Is DTC B1325 – 23 present? C Yes C Any fault observed ? Correct the fault Check continuity between BCM connector pin[C1-16] and BCM ground[C1-34/C1-47]. Disconnect vehicle battery connection. (Please follow safety guidelines) 1. Remove BCM connector and check for backout/ pins bend/damages. 2. Remove the switch connector and check for backout/ pins bend etc 1. Clear the DTC from memory. 2. Turn the IGN to OFF. 3. Start the IGN. 4. Check for DTCs. No Is continuity found ? Correct the wiring harness Replace switch and check the window operation Is function working Normally ? BCM ECU faulty Replace BCM ECU No Yes No Yes No Yes No No