Vehicle Platform: NEXON, X4, Q5, TIGOR_MCE ECU Name: PEPS DTC Troubleshooting Data Version: 1.8 Date: 28 Feb 2023 Author: Rajasekhara Reddy Page: 332 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. Normal Operating Condition PEPS clamp state = OFF. Probable Trouble Area Wire between HFA and PEPS ECU is short to Gnd / Open ckt / Internal failure of HFA ECU. Healing Condition As per standard FDC decrement strategy as specified in ISO 14229-1 Note: Please contact to Tata Motors customer support center. Table 67:- U1658- 14 overview details Component Details:- 1. PEPS ECU. 2. HFA ECU Preliminary Checks:- 3. Check Battery Voltage (9V-16V) 4. Check Software and hardware version number of the HFA ECU and PEPS. Troubleshooting:- DTC’s confirmation:- After rectification, ensure the following points by using TML diagnostic tool before handing over to customer. a) DTC U1658 – 14 is not logged at OFF/ACC/IGNON/CRANK/Run. Circuit Schematic Diagram:- NA Component Location & Image:- N.A Connector Location:-
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