NEXON EV
X114H
DTC Troubleshooting Data
Version: 3.0
Date: 27-May-2020
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86
Author: K Tejaswini Manasa/ Navya Krishnan/Gaurav Jha
Copyright © TATA MOTORS Ltd.
This document must not be used in anyway, such as copying and redistributing to third parties, without the consent of author.
P130032:- Fatal fault
Overview:
ISO Code (If applicable)
P130032
Customer Symptom
NA
Fault Effect (On Vehicle)
DCDC Converter is not charging LV battery. Vehicle stops when LV battery is
completely drained
Lamp Status (If Any)
NA
DTC Detection Condition
This DTC gets logged if there is an internal circuit failure in DCDC converter.
Normal Operating Condition
Proper charging of 12V LV battery.
Probable Trouble Area
DCDC internal circuit failure, unable to start
Healing Condition
Ignition OFF wait till VCU sleeps & Ignition ON
Write up for
the
related
system:-
HV DCDC Converter converts DC high voltage to low voltage to charge 12V battery. The conversion starts with wakeup and enable
signal to DCDC converter from VCU.
TroubleShooting:-
Flow Diagram or table format for diagnosing the fault code
Step no
.
Description
Check Point
if YES
if NO
1
Remove the 12V LV battery negative terminal.
After a minute connect the 12V LV battery
negative terminal & "Ignition Switch" to ON
position.
Crank and wait for 2 minutes.
Clear fault code and check again.
Fault code P130032
is present?
Go to step 2
Repair complete.
2
Check for fault code again.
Fault code P130032
is present?
Replace DCDC Converter Repair completed
LV Signal Connector
HV Battery
DCDC Converter
12V LV Battery




