Gravitas FATC Gen 3 DTC Troubleshooting Data Version: 1.0 Date: 15-July-2023 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. Author: ERC Page: 284 of 301 Component Location & Image: - N.A Connector Location: N.A Connector View & Information: -N.A Inspection Method: - N.A U160B-81:- Invalid Data Received From HU Overview: ISO Code U160B-81 Customer Symptom User control may not be possible Fault Effects (On Vehicle) Reduced climate functionality and performance. /HVAC functions can still be controlled by CCH Lamp Status (If Any) HVAC uses default data values Fault Detection Condition Relevant functional DTCs present in HU Normal Operating Condition HU ECU sends correct data in normal condition. Probable Trouble Area Incorrect data received from HU. Healing Condition After rectifying relevant functional failures in the HU ECU
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