TML Gen3 IVI DTC Troubleshooting guide Version: 0.4 Draft Date: 04-Aug-23 Author: Hemant Mitra Page: 477 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. U0164 - 08:- Lost communication with CCM Control Module- Message Timeout Failure Overview:- ISO Code U0164-08 Customer Symptom No Customer symptom Fault Effects (On Vehicle) No vehicle effect. Lamp Status (If Any) N.A Fault Detection Condition 1. CCM connector is not connected properly or disconnected from its location 2. CAN Stub wire from CCM connector side is disconnected. 3. CCM ECU is not powered up. Normal Operating Condition HVAC ECU communicates properly with TML diagnostic Tool. Probable Trouble Area Disconnection of the CCM connector Healing Condition To fix the CCM connector correctly and Fix the wiring harness issues from CCM side.
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