TATA BSVI Gasoline_Bifuel Program – EMS ECU Bosch DTC Troubleshooting Service Manual Version: 1.9 Date: 24-01-2022 Prepared By: Veer K. Singh / Prudhvi B Varma Checked By: Yeshwant Jadhav Approved By: Sanjeev M. Document Part No: 2921 02 xxx xxxx Page: 1638 of 1692 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. U04A2- 83: Invalid Data Received From Transmission control unit - value of signal protection calculation incorrect Overview: ISO Code U04A1-83 Customer Symptom Transmission control functionality will not work. Fault Effects (On Vehicle) Transmission control and Engine management control interface functionalities will not work. Lamp Status (If Any) Nil. Fault Detection Condition When Transmission control unit data is corrupted during communication. Normal Operating Condition Transmission control unit sends correct data in normal condition. Probable Trouble Area DCT EMS ECU TCU Faulty Healing Condition Transmission control signal unit sending correct signal to the EMS. Trouble Shooting:-
RkJQdWJsaXNoZXIy MTIwNTUz