Vehicle Platform: NEXON ECU Name: ESCL DTC Troubleshooting Data Version: 1.4 Date: 09 Jan 2018 Author: Hitesh Kaneria Page: 26 of 88 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. U0401-81:- Invalid Data Received From ECM/ PCM "A" - invalid serial data received Overview: ISO Code U0401-81 Customer Symptom Fault Effects (On Vehicle) Lamp Status (If Any) N.A Fault Detection Condition Relevant functional DTCs present in ECM Normal Operating Condition ECM ECU sends correct data in normal condition. Probable Trouble Area Incorrect data received from ECM. Healing Condition After rectifying relevant functional failures in the ECM ECU Table 7: U0401-81 overview details Troubleshooting:
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