Vehicle Platform: NEXON, X4, Q5, TIGOR_MCE ECU Name: PEPS DTC Troubleshooting Data Version: 1.8 Date: 28 Feb 2023 Author: Rajasekhara Reddy Page: 328 of 407 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. N.A Connector View & Information:- N.A Inspection Method:- NA U1635 - 61:- IPC remote (RESS) PreCheck failure – Signal calculation failure Overview:- ISO Code (DTC Code) U1635 – 61 Customer Symptom Failure of Remote Engine Start/stop feature will cause inconvenience. Fault Effects (On Vehicle) RESS feature activation request will be terminated Lamp Status (If Any) NA Fault Detection Condition At PEPS Clamp state = IGN, PEPS checks the received IPCPreCheck Signals and if 3 consecutive frames are received with data of IPCPreCheck = "Failed", this DTC is SET and the counter increments to 7Fh Normal Operating Condition 1. OFF (Reduced CAN communication) 2. IGN ON Probable Trouble Area IPC PreCheck condition failure for supporting Remote Engine Start/Stop feature Healing Condition At PEPS Clamp state = OFF/ IGN, PEPS checks the received IPCPreCheck signal from IPC as status of RESS feature precondition check and if 3 consecutive frames are received with data of 1. IPCPreCheck = "Passed" OR 2. IPCPreCheck = "Default" OR 3. After 10 IGN cycle with RemoteEngAcCmd = Not Active, this DTC shall RESET. If either any of the above condition is detected then the counter decrements to 80h Note: Please contact to Tata Motors customer support center.
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