Vehicle Platform: OSPREY ECU Name: Hella Body Control Module (BCM) DTC Troubleshooting Data Version: 1.4 Date: 15 May 2018 Author: Body CoC Page: 43 of 855 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. Trouble Shooting:- Start Read IVN DTCs in BCM If MTO logged against HVAC in current state? No (In history) Check continuity between HVAC CAN_H (pin no.24 ) to IPC CAN_H(pin no.6 ) and HVAC CAN_L (pin no.22 ) to IPC CAN_L(pin no. 5) in vehicle wiring side connector. Is continuity there? Repair the wiring harness Clear DTC Stop Check Ignition (pin no.11), Battery (pin no.15,16) and Ground (pin no.1,2 ) of HVAC is properly connected or not. Also check fuse blown (fuse10A) Do necessary repair in the harness Yes Yes No U0164-08 Loss of communication HVAC Control Module
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