TIAGO TIGOR BSVI - SERVICE MANUAL - DTC 24-12-2021

Vehicle Platform: NEXON, X4, Q5, TIGOR_MCE ECU Name: PEPS DTC Troubleshooting Data Version: 1.7 Date: 01 Aug 2019 Author: Rajasekhara Reddy Page: 87 of 389 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. Check if ACC Relay feedback Line of ACC relay is shorted to ground. Continuity Found? Correct ACC Relay side wiring harness (Short to Ground) PEPS ECU faulty Replace PEPS ECU. Yes No Check continuity between PEPS mating connector pin [C2-15] and ACC relay feedback line contact at ACC Relay (harness side) Continuity Found? Yes Correct ACC Relay side wiring harness (Open circuit) No A B DTC’s confirmation:- After rectification, ensure the following points by using TML diagnostic tool before handing over to customer. a) DTC B1649 – 14 is not logged. Circuit Schematic Diagram:- Note: - For detailed information please refer latest PEPS wiring harness schematic.