TML Gen3 IVI DTC Troubleshooting guide Version: 0.4 Draft Date: 04-Aug-23 Author: Hemant Mitra Page: 510 of 584 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. U1315 - 08:- Lost communication with Passive Entry Passive Start- Message Timeout Failure Overview:- ISO Code U1315-08 Customer Symptom PEPS Lamp ON Fault Effects (On Vehicle) Doors won’t open when PEPS switch is pressed Lamp Status (If Any) PEPS Lamp ON Fault Detection Condition 1. PEPS connector is not connected properly or disconnected from its location 2. CAN Stub wire from PEPS connector side is disconnected. 3. PEPS ECU is not powered up. Normal Operating Condition PEPS ECU communicates properly with TML diagnostic Tool. Probable Trouble Area Disconnection of the PEPS connector Healing Condition To fix the PEPS connector correctly and Fix the wiring harness issues from PEPS side.
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