{Osprey CCM} DTC Troubleshooting Data Version: 2.0 Date: 28-Jul-17 Author: ERC Page: 237 of 244 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. U160B - 81:- Invalid Data Received From Head Unit (HU) Overview: ISO Code U160B - 81 Customer Symptom User control may not be possible Fault Effects (On Vehicle) Possible loss of functionality if HU can control HVAC Lamp Status (If Any) N.A 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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