NUMBER

GROUP

@) HVU nDR 11

14-FL-001

FUEL SYSTEM

nEW THlnKlnG.
nEW POSSIBILITIES. DATE

Technical Service Bulletin

MODEL(S)

JANUARY 2014

GENESIS
SEDAN(BH),
EQUUS(VI)

ECM UPDATE - MINOR ENGINE IDLE SPEED INSTABILITY

SUBJECT:

Description:
This bulletin provides information related to an ECM software update that may experience an
occasional minor engine idle speed instability at vehicle coast down .

Applicable Vehicles:
•

2012-2013 MY GENESIS (BH) and EQUUS (VI) equipped with 5.0L GDI engines.

GOS Information:
EVENT#
318*
319*

DESCRIPTION
"BH 5.0 GDI VEHICLE SPEED, RPM STABILITY
IMPROVEMENT."
"VI 5.0 GDI VEHICLE SPEED , RPM STABILITY
IMPROVEMENT".

(* the latest event that shows up in the Engine Auto Mode event list for the particular vehicle/engine)

Warranty Information:
Model

Op Code

Operation

Op
Time

Causal P/N

Nature

Cause

BH , VI 5 .0L GDI

39110F9P

ECM UPGRADE

0.3

(See NOTE)

N63

C40

NOTE: Use the applicable ECM P/N listed in the ROM ID Information Table from the following page.

Circulate To : Service Manager, Warranty Manager, Service Advisors , Technicians , Fleet Repair

ECM UPDATE - MINOR ENGINE IDLE SPEED INSTABILITY

SUBJECT:

ROM ID INFORMATION TABLE:

Model

Engine

ROM ID
ECM P/N
Previous

New

GBH-CNOGFS7-E100

2012 MY

39110-3F810

GBH-CNOGFSO-E100
GBH-CNOGFS1-E100
GBH-CNOGFS2-E100
GBH-CNOGFS3-E100
GBH-CNOGFS4-E100
GBH-CNOGFS5-E100
GBH-CNOGFS6-E100

2013 MY

39110-3F811

GBH-DNOGFSO-E100
GBH-DNOGFS1-E100
GBH-DNOGFS2-E100

GBH-DNOGFS3-E100

2012 MY

39110-3F610

GVl-CNOGFSO-E100
GVl-CNOGFS1-E100
GVl-CNOGFS2-E100
GVl-CNOGFS3-E100
GVl-CNOGFS4-E100

GVl-CNOGFS5-E100

2013 MY

39110-3F611

GVl-DNOGFSO-E100
GVl-DNOGFS1-E100
GVl-DNOGFS2-E100

GVl-DNOGFS3-E100

5.0
GDI

BH

VI

Model
Year

5.0
GDI

GENERAL PRECAUTIONS:
•
•

Connect the USB cable between the GOS and
the VCI.
Connect the 16-pin DLC connector from the VCI
into the DLC located under the driver's side dash .

*NOTE
Make sure the battery icon at the bottom right of the GOS laptop shows at least 50% ; if not, charge
the GOS or attach a battery charger.
•

Turn off all lights (Do not leave the headlight switch in auto mode) and all accessories (including
heater/air conditioner/fan, audio , heated seats , rear defroster, etc) to ensure the battery will not
be discharged during the update .

•

Perform the update with the ignition key in the ON position .

TSB #: 14-FL-001

Page 2 of 4

ECM UPDATE - MINOR ENGINE IDLE SPEED INSTABILITY
•

Do not disconnect any cables connected to the vehicle or the GOS during the update .

•

Do not start the engine or turn the ignition switch OFF during the update .

I* NOTE I
Confirm your GOS has the most recent version . If not, connect the GOS to an Internet port, open
the GOS home page and select "Update". Refer to instructions on hmaservice.com if necessary.
If you encounter GOS related problems, call the GIT Helpline at 888-437-0308 .

SERVICE PROCEDURE:
GOS AUTO MODE ECM UPDATE PROCEDURE
1. From the GOS home page , select ECU Upgrade. If necessary, select the VIN .
2. Select Engine as the system and then select OK.
3. Select Auto Mode and then select Next.
4.

From the System tab , select Engine and then select OK. The GOS will read the ROM ID.
Confirm the ROM is applicable as shown on Page 2, "ROM ID Information".

5. Select update event as listed on the GOS Event list of page-1. Select Upgrade.

IQ

HM

I . . .......... ...-1-o4 l '>D I • ,.- .. ,,. .............
r -• ._....-""" ~ ·-"- l',..._•·-,.a•---

J

) aid: .... , .,,,. ... ....._ ..

w.....10•- ·-

...

Exampl e scree n
6. If the screen indicates "Voltage is OK" (voltage> 12volts), select OK. If not, select CANCEL
and charge the vehicle battery by running the engine for 10 minutes .
7. Updating will occur until 100% is reached on the bar graph . At the prompt, turn the ignition key
OFF for 10 seconds , then turn it ON and select OK.
8. The GOS will confirm that ECM reprog ramming is successfully finished . Select OK.
TSB # : 14-FL-001

Page 3 of 4

SUBJECT:

ECM UPDATE - MINOR ENGINE IDLE SPEED INSTABILITY

9. If the ECM update was not successful , go to GOS MANUAL MODE ECM UPDATE
PROCEDURE.
10. Check for OTC in all systems and Erase All OTC that stored due to loss of CAN communication
during the ECM Update.
11 . Turn OFF ignition for 10 seconds then turn ON before going to engine start.
12. Start the engine to confirm proper operation.

GOS MANUAL MODE ECM UPDATE PROCEDURE

*NOTE
•
•
•
•

GOS Manual Mode is intended for recovery of an ECM Update should it
begin but then later fail in process in the Auto Mode.
The ECM connectors must be disconnected for 15 minutes to reset its
contents then perform this Manual Mode Update.
Do not force Manual Mode if you get an error in Auto Mode that the vehicle 's
current ROM ID did not apply.
It is critical to identify the correct ECM Part Number in the PASSWORD table
or the ECM may be permanently damaged. It is recommended to remove
ECM and read the part number from the label to confirm.

1. From the GOS home page, select ECU Upgrade. If necessary, select the VIN.
2. Select Engine as the system and then select OK.
3. Select Manual Mode and then select Next.
4. From the System tab, select Engine and then select OK.
5. Select update event as per the GOS Event List of page-1, then select Upgrade.
6. Be certain to enter the exact appropriate password from the table below and select OK. See the
important NOTE above.
7. The remaining steps are same as Steps 6-12 of the Auto Procedure.
GOS Event #318 .BH 5.0:

MENU
BH 5.0 GOI IMMO : 39110-3F810
BH 5.0 GOI IMMO : 39110-3F811

MODEL YEAR
2012MY
2013MY

PASSWORD
3810
3811

MODEL YEAR
2012MY
2013MY

PASSWORD
3610
3611

GOS Event #319.VI 5.0:

MENU
VI 5.0 GOI IMMO : 39110-3F610
VI 5.0 GDI IMMO : 39110-3F611

TSB #: 14-FL-001

Page 4 of 4