Vehicle Platform: NEXON, X4, Q5, TIGOR_MCE ECU Name: PEPS DTC Troubleshooting Data Version: 1.8 Date: 28 Feb 2023 Author: Rajasekhara Reddy Page: 4 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. B1639–31:- Vehicle Immobilizer Control Module – No Signal ................................................................................................ 113 B1646–00:- PEPS Module Key Authentication Failure – No sub type Information ............................................................. 117 B1643–05:- Pairing Failed with UID – System programming Failures .................................................................................. 121 B1644–05:- No UID Pairing Done – System programming Failures ...................................................................................... 125 B1651–05:- Partial UID Pairing Done – System programming Failures ............................................................................... 129 B1645–54:- PEPS ECU – Missing Calibration .......................................................................................................................... 133 B164F–04:- LF Functionality – System Internal Failures ......................................................................................................... 137 B1650–04:- RF Functionality – System Internal Failures ........................................................................................................ 139 B1318 – 11:- Driver Door Handle Switch – Short to Ground .................................................................................................. 141 B1319 – 11:- Co-Driver Door Handle Switch – Short to Ground ............................................................................................ 147 B131A – 11:- Trunk Switch – circuit Short to Ground .............................................................................................................. 154 B1318 – 15:- Driver Door Handle Switch – Short to Battery or Open .................................................................................... 160 B1319 – 15:- Co-Driver Door Handle Switch – Short to Battery or Open ............................................................................. 167 B131A – 15:- Trunk Door Handle Switch – Short to Battery or Open .................................................................................... 174 B1641 – 11:- ClutchSwitch90PercPress Switch– Short to Ground ........................................................................................ 181 B1641 – 15:- ClutchSwitch90PercPress Switch– Short to Battery or Open ......................................................................... 185 B164E – 11:- ClutchSwitch10PercPress Switch– Short to Ground ....................................................................................... 189 B164E – 15:- ClutchSwitch10PercPress Switch– Short to Battery or Open ......................................................................... 193 B1642 – 14:- Brake Switch– Short to Ground or Open ............................................................................................................ 197 B1642 – 12:- Brake Switch– Short to Battery ............................................................................................................................ 201 B1322 – 12:- Hardwired wakeup input – Short to Battery ....................................................................................................... 205 B131D – 11:- Hardwired Wakeup Output to BCM– Short to Ground .................................................................................... 210 B131D – 12:- Hardwired wakeup output to BCM – Short to Battery ...................................................................................... 214 B1017 – 11:- Control signal for Accessory Relay Output – Short to Ground ....................................................................... 218 B1017 – 12:- Control Signal to Accessory Relay Output – Short to Battery ......................................................................... 224 B1018 – 11:- Control signal for Ignition Relay Output – Short to Ground ............................................................................. 230 B1018 – 12:- Control Signal to Ignition Relay Output – Short to Battery .............................................................................. 236 B1019 – 11:- Control signal for Crank Relay Output – Short to Ground ............................................................................... 242 B1019 – 12:- Control Signal to Crank Relay Output – Short to Battery ................................................................................. 247 B1647–06 :- Bad authentication with ESCL- Algorithm based failure ................................................................................... 252 B1320–13 :- Drive signal for Back Antenna- circuit open ........................................................................................................ 256
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