20-FL-006H-1

GROUP
NUMBER
FUEL SYSTEM
DATE
Technical Service Bulletin
20-FL-006H-1
MODEL(S)
JULY 2020
Kona (OS) 2.0L
Veloster (JS) 2.0L
ECM UPDATE FOR KONA/VELOSTER 2.0L P030X MISFIRE
SUBJECT:
(This bulletin has been revised to remove 2020MY Kona from applicable vehicles)
Description:
This bulletin provides information related to the Engine Control Module (ECM) software logic update
for DTC P0300-P0304 Misfire. This update addresses the intermittent misfire that may only occur at
cold engine warmup.
Applicable Vehicle:
 2018-2019 Kona (OS) with 2.0L GDI engine.
 2019 Veloster (JS) with 2.0L GDI engine.
GDS Information:
System Selection: Engine (ECM)
Event #
Description
597*
OS 2.0 MPI P030X DTC IMPROVEMENT
598*
JS 2.0 MPI P030X DTC IMPROVEMENT
*or any later updated event that comes up.
Warranty Information:
Model
Kona (OS)
Veloster(JS)
Op Code
39171F07
Operation
ECM UPGRADE
Op Time
Causal
Part
Nature
Code
Causal
Code
0.3 M/H
39171-2ES** (OS)
39173-2ES** (OS)
39171-2EJ** (JS)
39173-2EJ** (JS)
39175-2EJ** (JS)
39177-2EJ** (JS)
I3T
ZZ3
**Refer to applicable parts catalog for full ECM causal part numbers.
Circulate To: Service Manager, Warranty Manager, Service Advisors, Technicians, Fleet Repair
ECM UPDATE FOR KONA/VELOSTER 2.0L P030X MISFIRE
SUBJECT:
:
NOTICE
You must initially perform the GDS ECU Update in Auto Mode.
 If the ECU Update starts but then fails in Auto Mode, perform the update in Manual Mode to
recover.
!
WARNING
GDS Vehicle Battery Voltage Warning:
If voltage is below 12 volts as per the below GDS warning, then select Back and
operate the vehicle in Ready mode for at least 20 minutes to ensure an adequate
battery state of charge for reliable update results. Turn ignition back on, and then retry
the ECU update again.
Service Procedure:
1. Perform GDS software update:


Refer to TSB 15-GI-001 for the detailed tablet-based Mobile GDS ECU update
procedures.
Refer to TSB 15-GI-002 for the detailed PC-based GDS ECU update
procedures.
2. Check for Diagnostic Trouble Codes in the ALL menus and erase any DTC.
3. Confirm normal vehicle operation.
TSB #: 20-FL-006H-1
Page 2 of 4
SUBJECT:
ECM UPDATE FOR KONA/VELOSTER 2.0L P030X MISFIRE
SUBJECT:
ROM ID Table:
# 597.OS 2.0 MPI P030X DTC IMPROVEMENT:
VEHICLE
18MY
Kona (OS)
IMMO
ECU P/N
ULEV
+IMMO
39171-2ESE0
ULEV
+IMMO
39171-2ESJ0
ULEV
-IMMO
39173-2ESE0
ULEV
-IMMO
39173-2ESJ0
ULEV
+IMMO
39171-2ESE1
ULEV
+IMMO
39171-2ESJ1
ULEV
-IMMO
39173-2ESE1
ULEV
-IMMO
39173-2ESJ1
6AT
2.0L
19MY
6AT
ROM ID
OLD
OS8UPAAS690A
OS8UPAAS69AA
OS8UPAAS69BA
OS8UPAAF69EA
OS8UPBAS690A
OS8UPBAS69AA
OS8UPBAS69BA
OS8UPBAF69EA
OS8UPAUS690A
OS8UPAUS69AA
OS8UPAUS69BA
OS8UPAUF69EA
OS8UPBUS690A
OS8UPBUS69AA
OS8UPBUS69BA
OS8UPBUF69EA
OS9UPAAS694A
OS9UPAAS695A
OS9UPBAS694A
OS9UPBAS695A
OS9UPAUS694A
OS9UPAUS695A
NEW
OS8UPAAF69EB
OS8UPBAF69EB
OS8UPAUF69EB
OS8UPBUF69EB
OS9UPAAF698A
OS9UPBAF698A
OS9UPAUF698A
OS9UPBUS694A
OS9UPBUF698A
OS9UPBUS695A
# 598.JS 2.0 MPI P030X DTC IMPROVEMENT:
VEHICLE
ULEV
IMMO
ECU P/N
+IMMO
39175-2EJW0
6MT
ULEV
Veloster (JS) 2.0L
-IMMO
+IMMO
-IMMO
NEW
JS9UP2CF69EB
39177-2EJW0
JS9UP2VF69EB
39171-2EJW0
JS9UP2AS69CA
JS9UP2AS69DA
JS9UP2AS69DB
JS9UP2AF69EA
JS9UP2AF69EB
39173-2EJW0
JS9UP2US69CA
JS9UP2US69DA
JS9UP2US69DB
JS9UP2UF69EA
JS9UP2UF69EB
6AT
ULEV
OLD
JS9UP2CS69CA
JS9UP2CS69DA
JS9UP2CS69DB
JS9UP2CF69EA
JS9UP2VS69CA
JS9UP2VS69DA
JS9UP2VS69DB
JS9UP2VF69EA
19MY
ULEV
ROM ID
NOTE: -IMMO=Key start, +IMMO=SSB
TSB #: 20-FL-006H-1
Page 3 of 4
SUBJECT:
ECM UPDATE FOR KONA/VELOSTER 2.0L P030X MISFIRE
SUBJECT:
:
Manual Mode Password:
# 597.OS 2.0 MPI P030X DTC IMPROVEMENT:
MENU
PASSWORD
OS 2.0 MPI 6AT -IMMO 39173-2ESE0
OS 2.0 MPI 6AT -IMMO 39173-2ESJ0
OS 2.0 MPI 6AT -IMMO 39173-2ESE1
OS 2.0 MPI 6AT -IMMO 39173-2ESJ1
OS 2.0 MPI 6AT +IMMO 39171-2ESE0
OS 2.0 MPI 6AT +IMMO 39171-2ESJ0
OS 2.0 MPI 6AT +IMMO 39171-2ESE1
OS 2.0 MPI 6AT +IMMO 39171-2ESJ1
7320
7321
7322
7323
7120
7121
7122
7123
# 598.JS 2.0 MPI P030X DTC IMPROVEMENT:
MENU
PASSWORD
JS 2.0 MPI 6MT -IMMO 39177-2EJW0
JS 2.0 MPI 6AT -IMMO 39173-2EJW0
JS 2.0 MPI 6MT +IMMO 39175-2EJW0
JS 2.0 MPI 6AT +IMMO 39171-2EJW0
7720
7320
7520
7120
NOTE: -IMMO=Key start, +IMMO=SSB
TSB #: 20-FL-006H-1
Page 4 of 4
SUBJECT: