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

Prepared by: Airbag COC Review Approved by: Sanjeev VM Page: 153 of 648 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. SRS / Airbag ECU AB12 DTC Troubleshooting Guide Version: 2.0 Date: 21-June-2021 Troubleshooting:- DTC’s confirmation:- After rectification, ensure the following points by referring engine parameters using TML diagnostic tool before handing over to customer. IS DTC PRESENT? CLEAR DTC . TURN OFF & ON IGNITION. AND CHECK FOR DTC’s ( at least ). to 3 times 2 IS DTC STILL PRESENT ? 1. READ EXISTING AIRBAG ECU SYSTEM CONFIGURATION USING EOL or SERVICE TOOL. 2. VERIFY WHETHER T HE VEHICLE IS HAVING THE CORRECT AIRBAG ECU SYSTEM CONFIGURATION AS PER THE V C ? IS CONFIG. CORRECT ? WRITE THE CORRECT SYSTEM CONFIGURATION IN A IR B AG ECU USING EOL or SERVICE TOOL YE S NO NO YES NO YES TURN OFF & ON THE IGNITION & CHECK FOR DTC’s IS DTC PRESENT? NO STOP RE - CONNECT THE ECU & W/H MODULE IN THE VEHICLE YES TURN ON IGNITION. CONNECT THE DIAGNOSTIC TOOL AND CHECK FOR DTC’s START B0021-55:- Inflatable Curtain Airbag LH Deployment Control 1 not configured