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NEXON EV
X114H: DTC Troubleshooting Document for BMS
Version: 3.0
Date: 01
th
July 2020
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.
2)
Read DIDs
3409
&
340B
values using diagnostics . Difference between the two values will give the
temperature difference inside the battery pack.
3)
If temperature difference has not reduced to less than 6
o
C after isolation, pack has to be replaced.
4)
If temperature difference has reduced to less than 6
o
C after isolation, proceed to the next step.
5)
If DTC still exists, reflash the battery pack using the service tool with the latest release SW available
in PLM database.
6)
Read DTC ID –
P1220– 22
for the existence of DTC information post flashing.
7)
If DTC still exists, the HV battery pack component has to be replaced as instructed by the respective
ECU replacement guide
Component Location & Image;Connector Location; Connector View & Information: -
APPENDIX-A