Powertrain VCU Replacement Procedure 1.2 Terminologies Sr Terminology Description 1 TML TATA Motors Limited 2 VCU Vehicle Control Unit 3 EOL End Of Line (diagnostics and testing) 4 ISO International Organization for Standardization 5 MIL Malfunction Indicator Lamp 6 VCI Vehicle Communication Interface 7 OBD On-Board Diagnostics 8 ECU Electronic Control Unit 9 DTC Diagnostic Trouble Code (Fault Code) 10 Operator Person performing the user action mentioned within this specification 11 DID Data Identifier 12 ASCII American Standard Code for Information Interchange 13 VIN Vehicle Identification Number 14 RAM Random Access memory 15 J1962 Diagnostic Connector SAE reference standard 16 Actor Person / Component performing action or task TITLE: Powertrain VCU Replacement Procedure Document number: Date: 22/01/2022 Version: 1.0 Page:5 of 15 Prepared: Priyanka Aher Checked: Diganta Baishya Approved: Suresh Arikapudi This specification is the exclusive property of Tata Motors Limited. Without their consent it may not be reproduced or given to third parties. The above specifications are subject to change and therefore suppliers are requested to refer the latest one. CONTROLLED COPY FOR RESTRICTED CIRCULATION © TATA MOTORS LTD.
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