Vehicle Platform: Tiago,Tigor & Osprey ECU Name: Hella Body Control Module (BCM) DTC Troubleshooting Data Version: 2.0 Date: 22-10-2018 Author: Parag K Page: 694 of 737 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. U130B - 08: Lost Communication With Head Unit (HU)-Bus Signal/Message failures Overview: ISO Code U130B - 08 Customer Symptom Infotainment system may not function Fault Effects (On Vehicle) Infotainment system may not function Lamp Status (If Any) NA Fault Detection Condition CAN transceiver fault, partner ECU fault Normal Operating Condition Infotainment system should function normally Probable Trouble Area CAN transceiver fault, partner ECU fault Healing Condition Check with Service tool, check function of partner ECU Component Details: NA Preliminary Checks: 1. Check Battery Voltage (12.5 V & above) 2. Check ECU pins for oxidation, bending & damage.
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