Q5/X451 FATC DTC Troubleshooting Data Version: 1.0 Date: 16-Oct-2018 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: 172 of 202 B1F4F-02:- CCM configured as Single while CCH as Dual (Zone 3) – General signal Failure Overview: ISO Code B1F4F -02 Customer Symptom Some or all functionality may be lost Fault Effects (On Vehicle) Some or all functionality may be lost Lamp Status (If Any) CCM shall operate in its default mode: When there is no event message for touchscreen user selection from HU, then CCM shall set 1) AUTO ON 2) Temp - 23DegC Other modes will behave as per the sensor values that the CCM would receive When HU send touchscreen signal 1) User selections from HU shall be taken as valid inputs for CCM Fault Detection Condition CCM is configured as single Zone and CCH is configured as Dual Zone. Normal Operating Condition CCM is fully functional based on the User input on CCH Probable Trouble Area CCM is configured as single while CCH as Dual Healing Condition Check configuration of CCH & CCM, Connect single zone CCH.
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