Gravitas FATC Gen 3 DTC Troubleshooting Data Version: 1.0 Date: 15-July-2023 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: 265 of 301 HVAC ECU Pin assignment Pin No. Pin Name Description 24 CAN_H CAN High 22 CAN_L CAN Low 11 Ign Ignition 15,16 Vbat Supply Voltage Battery 1,2 GND Battery GND U0140-08:- Lost communication with Body Control Module- Message Timeout Failure Overview:
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