NHTSA ID Number: 10082702
Manufacturer Communication Number: 5NP-R9N8H-10
TSB/Document Date: 2016-10-18
Summary
"THIS BULLETIN PROVIDES INFORMATION RELATED TO THE ENGINE CONTROL MODULE (ECM) SOFTWARE UPDATE TO PREVENT AN INCREASE IN THE CATALYST TEMPERATURE WHICH MAY RESULT IN ILLUMINATION OF THE MALFUNCTION INDICATOR LIGHT WITH THE FOLLOWING DTC(S): H P0171 - SYSTEM TOO LEAN - BANK 1. H P0420 - CATALYTIC CONVERTER SYSTEM, BANK 1 - EFFICIENCY BELOW THRESHOLD. IN RARE CASES, THERE CAN BE A REDUCTION IN ENGINE POWER IF THE CATALYST IS RESTRICTED."
GROUP
NUMBER
FUEL SYSTEM
Technical Service Bulletin
SUBJECT:
DATE
16-FL-003
MODEL(S)
SEPTEMBER 2016
TUCSON (LM)
DTC P0171/P0420 ECM UPDATE AND P0420 CATALYST REPLACEMENT
Description:
This bulletin provides information related to the Engine Control Module (ECM) software update to
prevent an increase in the catalyst temperature which may result in illumination of the malfunction
indicator light with the following DTC(s):
P0171 - System too Lean - Bank 1.
P0420 - Catalytic Converter System, Bank 1 - Efficiency Below Threshold.
In rare cases, there can be a reduction in engine power if the catalyst is restricted.
IMPORTANT
If DTC P0420 is present, replace the exhaust manifold catalyst in addition to performing
the ECM update. Print GDS DTC screen with VIN information and attach to the RO.
DO NOT replace catalyst for DTC P0171 only. The claim may be subject to chargeback.
Applicable Vehicle: Certain 2014-2015MY Tucson (LM) with 2.4L GDI engines
GDS Information:
System Selection: ENGINE (ECM)
Event #
Description
LM 2.4GDI DTC P0171,P0420 IMPROVEMENT
396*
(*or use a later available event as listed in the GDS ECU Update screen if one is available.)
NOTE:
Refer to TSB 15-GI-001 for the tablet-based Mobile GDS ECU update procedures.
Refer to TSB 15-GI-002 for the PC-based GDS ECU update procedures.
Warranty Information:
Causal P/N
Operation
Op Time
DTC INSPECTION AND MANIFOLD
28510-2G540 or
CATALYTIC / GASKET
28510-2G580
28510F01
1.6 M/H
REPLACEMENT, ECU UPGRADE
as installed
(For DTC P0420 case)
DTC INSPECTION AND ECU UPGRADE
28510F02
39106-XXXXX*
0.4 M/H
(For DTC P0171 only case)
NOTE: *Use the applicable ECM P/N listed in the ROM ID Information Table on page-3.
Op Code
Circulate To: Service Manager, Warranty Manager, Service Advisors, Technicians, Fleet Repair
SUBJECT
:
DTC P0171/P0420 ECM UPDATE AND P0420 CATALYST REPLACEMENT
Parts Information:
NOTE: Order the below parts only if GDS inspection found DTC P0420 stored in the ECM.
*Check underhood emissions label to determine whether CA SULEV or ULEV emissions.
Vehicle
Catalytic Converter
Inlet Side Gasket
Outlet Side Gasket
Application
Part Number
Part Number
Part Number
SULEV *
Emissions
ULEV *
Emissions
28510-2G540
28521-25020
28751-3S100
28510-2G580
28521-25020
28751-3S100
Inlet Side Gasket
Outlet Side
Gasket
Manifold
Catalytic AssyExhaust
Service Procedure Flow Chart:
P0171 only
Vehicle in
Current/History
DTC Check
P0420 only, or
P0420 & P0171
**Replace Exhaust Manifold
Catalytic Assy and Gaskets
**per service manual procedure
for exhaust manifold R&R
ECM Update
Repair Complete
NOTE: If significant honeycomb material has broken apart from the exhaust manifold catalyst, blow
out any residual catalyst material from the exhaust tube and underfloor catalyst.
TSB #: 16-FL-003
Page 2 of 3
SUBJECT:
DTC P0171/P0420 ECM UPDATE AND P0420 CATALYST REPLACEMENT
SUBJECT:
NOTICE
You must initially perform 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.
ROM ID Information Table:
MY/
Emissions
Model
14MY
(ULEV)
14MY
(SULEV)
TUCSON
(LM)
2.4GDI
IMMO
ECM P/N
IMMO
Previous
New
39106-2GBB0
39106-2GBB5
LEC4RH2A
LEC4RH2B
LEC4RH2C
NON
IMMO
39106-2GBD0
39106-2GBD5
LEC4MH2A
LEC4MH2B
LEC4MH2C
IMMO
39106-2GBC0
39106-2GBC5
NON
IMMO
39106-2GBE5
LES4RH2A
LES4RH2B
LES4MH2A
LES4MH2B
IMMO
15MY
(ULEV)
NON
IMMO
15MY
(SULEV)
ECM ROM ID
IMMO
39106-2GBB1
39106-2GBB2
39106-2GBB6
39106-2GBB7
39106-2GBD1
39106-2GBD2
39106-2GBD6
39106-2GBD7
39106-2GBC6
39106-2GBC7
LES4RH2C
LES4MH2C
LFC4RH4A
LFC4RH4B
LFC4MH4A
LFC4MH4B
LFS4RH4A
LFS4RH4B
NON
39106-2GBE6
LFS4MH4A
IMMO
39106-2GBE7
NOTE: IMMO = Start Stop Button, NON IMMO = Key Start
LFS4MH4B
Manual Mode Password Information Table:
MENU
LM 2.4GDI NON IMMO 39106-2GBD0/5
LM 2.4GDI NON IMMO 39106-2GBE0/5
LM 2.4GDI NON IMMO 39106-2GBD1/2/6/7
PASSWORD
0625
0626
0627
LM 2.4GDI NON IMMO 39106-2GBE6/7
0628
LM 2.4GDI IMMO 39106-2GBB0/5
LM 2.4GDI IMMO 39106-2GBC0/5
0620
0621
LM 2.4GDI IMMO 39106-2GBB1/2/6/7
0622
LM 2.4GDI IMMO 39106-2GBC6/7
0623
NOTE: IMMO = Start Stop Button, NON IMMO = Key Start
TSB #: 16-FL-003
Page 3 of 3
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TSB/Document ID: 5NP-R9N8H-10
Replacement Service Bulletin Number:
MFR Communication Date: 2016-09-23
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM:SOFTWARE
MFR Component System:
MFR Component Subsystem:
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