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

TML 7” Infotainment DTC Troubleshooting guide for Tigor Version: 0.1 Date: 13 th Aug 18 Author: Pritam Bansod Page: 51 of 55 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. U0424-81:- Invalid Data received from HVAC Control Module- Invalid serial data received Overview: ISO Code U0424-81 Customer Symptom NA Fault Effects (On Vehicle) HU will not display correct information for HVAC control module Lamp Status (If Any) NA Fault Detection Condition Incorrect data received from HVAC control module Normal Operating Condition Error free communication with Head Unit and HVAC Control Module. Probable Trouble Area Incorrect data received from HVAC control module Healing Condition Clearing of the functional failures in the HVAC Control Module.