TML Infotainment DTC Troubleshooting guide for Nexon MCE Version: 0.2 Date: 28-Feb-20 Author: Pritam Bansod Page: 83 of 95 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. Overview: ISO Code U0164-08 Customer Symptom No visual indication Fault Effects (On Vehicle) HVAC Control Module related information will not be displayed on Silver Box screen. Lamp Status (If Any) NA Fault Detection Condition 1. HVAC Control Module connector is not connected properly or disconnected from its location. 2. CAN Stub wire from HVAC Control Module connector side is disconnected. 3. HVAC Control Module is not powered up. Normal Operating Condition HVAC Control Module communicates properly with TML diagnostic Tool. Probable Trouble Area Disconnection of the HVAC connector Healing Condition To fix the HVAC Control Module correctly and Fix the wiring harness issues from HVAC Control Module side. Trouble Shooting:-
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