Gravitas/SAFARI/X451/NEXON FATC DTC Troubleshooting Data Version: 1.1 Date: 28-Apr-2021 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: 232 of 244 Trouble Shooting:- U0401-81-Invalid Data Received From ECM Start Connectthediagnostictool ReadDTCsandcheckwhetherit’s permanentorinhistory CheckrelevantfunctionalDTCsintheECM ECU Followtheproceduretodiagnose relevantfunctionalDTCsintheECM ECU NO YES IsDTCPermanent? ClearDTC Stop ( DTCinhistory )
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