Vehicle Platform: OSPREY ECU Name: Hella Body Control Module (BCM) DTC Troubleshooting Data Version: 1.4 Date: 15 May 2018 Author: Body CoC Page: 80 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. Generic DTCs U3000 - 08:- Control Module - Bus Signal / Message Failure Overview: ISO Code U3000 - 08 Customer Symptom BCM will not operate Fault Effects (On Vehicle) Cannot determine scope without CAN message list Lamp Status (If Any) None Fault Detection Condition BCM monitors if BCM transmits all CAN frames correctly Normal Operating Condition Normal operating range: ECU will be awake from 6V to 16 V. Full assistance is b/w 11.5 to 16 volts. Reduced assistance is b/w 9 to 11.5 V Probable Trouble Area CAN transceiver lock up Healing Condition N/A Component Details: N/A Preliminary Checks: 1. Voltage at the battery terminals should be greater than 11.5V. 2. BCM power supply connector should have greater than 11.5V for full assistance. 3. Check battery cable and BCM connector terminals for damage. 4. Check BCM ECU for pin bend/damage. 5. Alternator output voltage should be between 13.5 V to 14.5 V in engine running condition.
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