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: 276 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. B1321–12 :- Drive signal for Front Centre Console Antenna - circuit Short to battery Overview:- ISO Code (DTC Code) B1321-12 Customer Symptom Passive Start and passive Entry is not working. Fault Effects (On Vehicle) Passive Start does not work. Lamp Status (If Any) -. Fault Detection Condition When short to battery on front antenna is detected, PEPS logs this DTC. Normal Operating Condition When start request is given with valid UID, vehicle start. Probable Trouble Area 1. Cable connection damaged. 2. Antenna Fault Healing Condition At IGN ON, when LF diagnostics routine is run, DTC shall not be logged. Table 59:- B1321 - 12 overview details Component Details:- 1. PEPS ECU Preliminary Checks:- 1. Check respective ECU pins for oxidation, bending, & damage.