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Vehicle Platform: NEXON
ECU Name: ESCL
DTC Troubleshooting Data
Version: 1.4
Date: 09 Jan 2018
Author: Hitesh Kaneria
Page: 3 of 88
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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.
Contents
Change History...........................................................................................................................................................................................2 Abbreviation ..............................................................................................................................................................................................5 IVN DTCs ....................................................................................................................................................................................................6 Preliminary Check ......................................................................................................................................................................................6 U0028-13:- Vehicle Communication Bus A-open circuit .......................................................................................................................7 U0028-88:- Vehicle Communication Bus A-Bus off ...............................................................................................................................8 U0100-08:- Lost Communication With ECM/PCM "A" - Bus Signal / Message Failures ........................................................................9 U1309-08:- Lost Communication With Antilock Braking System/ Electronic Stability Program (ABS/ ESP) Control Module - Bus Signal / Message Failures ....................................................................................................................................................................14 U1315-08:- Lost Communication With PEPS - Bus Signal / Message Failures .....................................................................................19 U0140-08:- Lost Communication With Body Control Module - Bus Signal / Message Failures ..........................................................22 U0401-81:- Invalid Data Received From ECM/ PCM "A" - invalid serial data received .......................................................................26 U1609-81:- Invalid Data Received From Antilock Braking System/ Electronic Stability Program (ABS/ ESP) Control Module - invalid serial data received. ............................................................................................................................................................................29 U1617-81:- Invalid Data Received From PEPS - invalid serial data received. ......................................................................................32 U1609- 82:- Invalid Data Received From Antilock Braking System/ Electronic Stability Program (ABS/ ESP) Control Module - alive / sequence counter incorrect / not updated .........................................................................................................................................35 U1609 - 83:- Invalid Data Received From Antilock Braking System/ Electronic Stability Program (ABS/ ESP) Control Module - value of signal protection calculation incorrect............................................................................................................................................37 Generic DTCs............................................................................................................................................................................................39 U1008-16: Control Module Input Power 1 - circuit voltage below threshold .....................................................................................39 U1008-17: Control Module Input Power 1 - circuit voltage above threshold .....................................................................................43 B101D-42: Main Processor RAM Error - general memory failure .......................................................................................................47 B101E-42: Main Processor ROM Error - general memory failure........................................................................................................49 B101F–42: Main Processor EEPROM error - general memory failure .................................................................................................51 B1020-42: Co Processor RAM Error - general memory failure ............................................................................................................53 B1021-42: Co Processor ROM Error - general memory failure............................................................................................................55 Functional DTC .........................................................................................................................................................................................57 B1022–96: Steering lock unable to lock - component internal failure ................................................................................................57 B1023–12: ESCL motor driver high side circuit - short to battery .......................................................................................................59 B1024–11: ESCL motor driver low side circuit - Short to ground ........................................................................................................61 B1025–96: Implausible indication of Latch Position switch – component internal failure .................................................................63