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NEXON EV
X114H
DTC Troubleshooting Data
Version: 3.0
Date: 27-May-2020
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67
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.
P229400:- Shutdown diagnostic failure
Overview:
ISO Code (If applicable)
P229400
Customer Symptom
NA
Fault Effect (On Vehicle)
OBC will stop charging HV battery
Lamp Status (If Any)
NA
DTC Detection Condition
The charger draws or delivers current after it has stopped charging.
Normal Operating Condition
No current in Input and output after OBC has stopped charging.
Probable Trouble Area
1. Input or output error
2. Sensor error in OBC.
Healing Condition
Disconnect the gun and connect back after VCU sleep
Write up for
the system:-
The on-board charger (OBC) takes AC input and converts it to direct current to charge a HV battery. The LV supply of OBC
is from 12V battery. It requires AC HV supply voltage of 230V, 50Hz to charge the HV battery.
Pre-Check Points:
a) Check AC input and DC output connections for damage (connectors, terminals bending & oxidation of pins)
b) Check LV Battery voltage to be in range (7.5V - 14V)
TroubleShooting:-
Flow Diagram or table format for diagnosing the fault code
Step no
.
Description
Check Point
if YES
if NO
1
Connect the Charging Gun & switch
ON the AC supply. check for the fault
code.
Fault code P229400, is
present?
Replace the OBC.
Repair complete
DTC
’
s
confirmation:-
After rectification, ensure the following points by referring OBC parameters using TML diagnostic tool before
On-Board charger
230V AC supply
HV Battery
LV signal connector