TML Gen3 IVI DTC Troubleshooting guide Version: 0.4 Draft Date: 04-Aug-23 Author: Hemant Mitra Page: 536 of 584 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. U1609 - 81:- Invalid Data Received From ABS Overview:- ISO Code U1609-81 Customer Symptom Vehicle speed info cannot be displayed on cluster Fault Effects (On Vehicle) Vehicle speed info cannot be displayed on cluster Lamp Status (If Any) N.A Fault Detection Condition Relevant functional DTCs present in ABS Normal Operating Condition ABS ECU sends correct data in normal condition. Probable Trouble Area Incorrect data received from ABS. Healing Condition After rectifying relevant functional failures in the ABS ECU Trouble Shooting:-
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