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: 1162 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. P1E04-12: Engine Start Stop Indication-Circuit short to battery Overview: ISO Code P1E04-12 Customer Symptom 1.ESS Autostop/Autostart function may get affect. 2.ESS Switch Led will not work Fault Effects (On Vehicle) 1.ESS Autostop/Autostart function may get affect. 2.ESS Switch Led will not work Lamp Status (If Any) CE Lamp ON after 1 driving cycle Fault Detection Condition Auto Start stop switch lamp indication pin 130 of EMS ECU short circuited to battery supply 155/156 Normal Operating Condition Auto Start stop lamp indication will turn ON and OFF properly Probable Trouble Area Improper wiring harness connections. Auto Start Stop LED indication shorted to battery supply. Healing Condition After 1 driving cycle and Ignition ON. Fault permanent deletion 1. Scan tool Service 14
RkJQdWJsaXNoZXIy MTIwNTUz