TIAGO/TIGOR AMT Gasoline DTC Troubleshooting Guide Version: 4.0 Date: 18-04-2017 Author: Sathi/Anupama Page: 404 of 427 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. 138. U0001-02 Engine Limp Home signal-Signal not valid Overview: ISO Code U0001-02 Customer Symptom Engine is in Limp home mode. Max engine speed is limited to threshold rpm Fault Effects (On Vehicle) Engine is in Limp home mode. Max engine speed is limited to threshold rpm Lamp Status (If Any) Transmission warning lamp is OFF Fault Detection Condition When TCU receives the EMS Recovery signal as Limp Home (Pedal) (EMS Recovery= 4) Normal Operating Condition TCU receives the EMS recovery signal as Normal Mode (EMS Recovery= 0) Probable Trouble Area Fault at throttle pedal assembly Healing Condition 200ms after detection of valid EMS Recovery signal Trouble Shooting: - Read the dtc in EMS ECU Follow the troubleshooting steps given in EMS ECU for this DTC. DTC’s confirmation: - After rectification, ensure the following points using TML diagnostic tool before handing over to customer. b) DTC should not be in current state.
RkJQdWJsaXNoZXIy MTIwNTUz