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

Prepared by: Airbag COC Review Approved by: Sanjeev VM Page: 2 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 Contents Revision History......................................................................................................................................................10 SRS AB12 ECU Pin Assignment............................................................................................................................11 Definitions, Acronyms and Abbreviation ................................................................................................................13 Scope......................................................................................................................................................................15 Purpose ..................................................................................................................................................................16 B0020-1A:- Side Airbag Front LH Deployment Control circuit resistance below threshold...................................17 B0020-1B:- Side Airbag Front LH Deployment Control circuit resistance above threshold ..................................21 B0020-11:- Side Airbag Front LH Deployment Control circuit short to ground......................................................25 B0020-2B:- Side Airbag Front LH Deployment Control signal cross coupled .......................................................29 B0020-12:- Side Airbag Front LH Deployment Control circuit short to battery......................................................33 B0020-55:- Side Airbag Front LH Deployment Control not configured..................................................................37 B0028-1A:- Side Airbag Front RH Deployment Control circuit resistance below threshold ..................................41 B0028-1B:- Side Airbag Front RH Deployment Control circuit resistance above threshold..................................45 B0028-11:- Side Airbag Front RH Deployment Control circuit short to ground .....................................................49 B0028-2B:- Side Airbag Front RH Deployment Control signal cross coupled.......................................................53 B0028-12:- Side Airbag Front RH Deployment Control circuit short to battery .....................................................57 B0028-55:- Side Airbag Front RH Deployment Control not configured .................................................................61 B1010-12:- Crash output HW circuit short to battery .............................................................................................65 B1013-00:- Left Side Deployment Crash no sub type information ........................................................................69 U0422-81:- Invalid Data Received From Body Control Module- Invalid serial data received ...............................72 U0100-08:- Lost Communication With ECM/PCM "A"- Bus Signal / Message Failures .......................................78 U0401-81:- Invalid Data Received From ECM/PCM "A" - Invalid serial data received .........................................81 B100C-4A:- Left Side Peripheral sensor Incorrect component installed ...............................................................84 B100C-2B:- Left Side Peripheral sensor signal cross coupled..............................................................................88 B100C-86:- Left Side Peripheral sensor signal invalid ..........................................................................................92 B100C-11:- Left Side Peripheral sensor circuit short to ground ............................................................................96 B100C-11: Left Side Peripheral sensor circuit short to ground..............................................................................97