Classification:

Reference:

Date:

AT12-003d

ITB12-027d

November 14, 2012

2009 - 2012 G37; SHIFT RESPONSIVENESS ISSUES
This bulletin has been amended to change the first sentence of the IF YOU CONFIRM statement.
Discard and previous versions.

APPLIED VEHICLES:
APPLIED ENGINE:
APPLIED TRANSMISSION:

2009 – 2011 G37 Sedan and Coupe (V36/CV36)
2009 – 2012 Convertible (HV36)
VQ37VHR
7 speed

IF YOU CONFIRM
That the customer has experienced or is experiencing:
•

Harsher than expected down shifts when coasting to a stop

•

Hesitation/lag when accelerating after coasting

•

Hesitation/lag or harsher than expected down shifts when coming to a stop and accelerating again
(rolling stop)

•

Engine rev matching during moderate to heavy braking
NOTE: Engine rev matching is normal operation of the ASC (Adaptive Shift Control) in normal drive
mode and sport mode. The ECM and TCM reprogramming in this bulletin will remove engine rev
matching from ASC in normal drive mode, but it will remain as part of the ASC in sport mode.

ACTION
1. Refer to step 6 in the SERVICE PROCEDURE to confirm this bulletin applies to the vehicle you are
working on.
2. If this bulletin applies, reprogram the ECM and TCM.
CLAIMS INFORMATION
Submit a Primary Part (PP) type line claim using the following claims coding:
DESCRIPTION
OP CODE
PFP
SYM
DIAG
FRT
Reprogram TCM and ECM
DX32AA
(1)
BE
32
0.8
(1) Refer to the electronic parts catalog (FAST or equivalent) and use the appropriate Control Valve Assembly
(31705-XXXXX) part number as the PFP.
IMPORTANT: The purpose of "ACTIONS" (above) is to give you a quick idea of the work you will be
performing. You MUST closely follow the entire Service Procedure (starting on page 2) as it contains
information that is essential to successfully completing this repair.
Infiniti Bulletins are intended for use by qualified technicians, not 'do-it-yourselfers'. Qualified technicians are properly trained
individuals who have the equipment, tools, safety instruction, and know-how to do a job properly and safely. NOTE: If you believe
that a described condition may apply to a particular vehicle, DO NOT assume that it does. See your Infiniti dealer to determine if this
applies to your vehicle.
1/13

SERVICE PROCEDURE
•

This procedure will require reprogramming of the ECM and TCM; which means most steps in this
procedure will need to be done twice.

•

Most instructions for reprogramming with CONSULT-III plus (C-III plus) are displayed on the CONSULT
PC screen.

•

If you are not familiar with the reprogramming procedure, click here. This will link you to the
"CONSULT- III plus (C-III plus) Reprogramming" general procedure.

Preparation for Reprogramming
•

Take the vehicle for a 10 minute drive in order to meet the
following Idle Air Volume Learn (IAVL) conditions:
¾ Engine coolant temperature: 70 -100°C
(158 - 212°F)
¾ Battery voltage: More than 12.9V (At idle)
¾ Transmission: Warmed up
Figure A
NOTE:
•

After ECM reprogramming is complete, you will be required to perform Throttle Valve
Closed Position, Idle Air Volume Learn (IAVL), and Accelerator Closed Position.

•

The above conditions are required for the IAVL to complete.

CAUTION:
•

Connect a battery charger to the vehicle battery.
The vehicle battery voltage must stay between 12.0V and 15.5V during reprogramming, or the
ECM/TCM may be damaged.

•

Be sure to turn OFF all vehicle electrical loads.
If a vehicle electrical load remains ON, the ECM/TCM may be damaged.

•

Be sure to connect the AC Adapter.
If the CONSULT PC battery voltage drops during reprogramming, the process will be interrupted
and the ECM/TCM may be damaged.

•

Turn off all external Bluetooth® devices (e.g., cell phones, printers, etc.) within range of the
CONSULT PC and the VI. If Bluetooth® signal waves are within range of the CONSULT PC
during reprogramming, reprogramming may be interrupted and the ECM/TCM may be damaged.

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1. Connect the CONSULT PC to the vehicle to begin the reprogramming procedure.
2. Open ASIST on the CONSULT PC and start C-III plus.
3. Wait for the plus VI to be recognized / connected.
•

Serial number will display when the plus VI is recognized / connected.

4. Select Re/programming, Configuration.

Step 3: VI is
recognized

Step
4

Figure 1

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5. Follow the C-III plus on-screen instructions and navigate to the screen shown in Figure 2 on the next page.

IMPORTANT:
While navigating C-III plus, if the screen in Figure 1A displays, select Delete and then Other Operation.

Figure 1A

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6. When you get to the screen shown in Figure 2, confirm this bulletin applies as follows:
A. Find the ECM or TCM Part Number and write it on the repair order.
NOTE: This is the current ECM or TCM Part Number (P/N).

6A: Current P/N

Figure 2

B. Compare the P/N you wrote down to the numbers in the Current ECM Part Number column in
Table A on page 6 and 7, and TCM Part Number column in Table B on page 8.
•

If there is a match, this bulletin applies. Continue with the reprogramming procedure.

•

If there is not a match, reprogramming does not apply. Make sure to check both ECM and TCM
for a match.

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Table A – ECM
Model

2009 G37 Sedan

2009 G37 Coupe

2010 G37 Sedan

2010 G37 Coupe

Current ECM Part Number: 23710 1NC4E, 1NC4D, 1NC4C, 1NC4B, 1NC4A
1NC5E, 1NC5D, 1NC5C, 1NC5B, 1NC5A
1NC6E, 1NC6D, 1NC6C, 1NC6B, 1NC6A
1NC7E, 1NC7D, 1NC7C, 1NC7B, 1NC7A
JU60E, JU60D, JU60C, JU60B, JU60A
JU61E, JU61D, JU61C, JU61B, JU61A
1ND4E, 1ND4D, 1ND4C, 1ND4B, 1ND4A
1ND5E, 1ND5D, 1ND5C, 1ND5B, 1ND5A
1ND6E, 1ND6D, 1ND6C, 1ND6B, 1ND6A
1ND7E, 1ND7D, 1ND7C, 1ND7B, 1ND7A
JU70E, JU70D, JU70C, JU70B, JU70A
JU71E, JU71D, JU71C, JU71B, JU71A
1MW0B,1MW0A
1NS0E, 1NS0D, 1NS0C, 1NS0B, 1NS0A
1NS1E, 1NS1D, 1NS1C, 1NS1B, 1NS1A
1MW1B, 1MW1A
1NS2E, 1NS2D, 1NS2C, 1NS2B, 1NS2A
1MW2B, 1MW2A
1NS3E, 1NS3D, 1NS3C, 1NS3B, 1NS3A
1MW3B, 1MW3A
1NS6E, 1NS6D, 1NS6C , 1NS6B, 1NS6A
1MW6B, 1MW6A
1NS7E, 1NS7D, 1NS7C, 1NS7B, 1NS7A
1MW7B, 1MW7A
1NG0E, 1NG0D, 1NG0C, 1NG0B, 1NG0A
1PX0B, 1PX0A
1NG1E, 1NG1D, 1NG1C, 1NG1B, 1NG1A
1NG2E, 1NG2D, 1NG2C, 1NG2B, 1NG2A
1NG3E, 1NG3D, 1NG3C, 1NG3B, 1NG3A
1PX1B, 1PX1A
1PX2B, 1PX2A
1PX3B, 1PX3A
1NG7E, 1NG7D, 1NG7C, 1NG7B, 1NG7A
1PX7B, 1PX7A
1NG8E, 1NG8D, 1NG8C, 1NG8B, 1NG8A
1PX8B, 1PX8A

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Table A – ECM (continued)
Model

Current ECM Part Number: 23710 1NX0D, 1NX0B, 1NX0A
1NX1C, 1NX1B, 1NX1A
1NX2C, 1NX2B, 1NX2A
1NX3C, 1NX3B, 1NX3A
1NX6C, 1NX6B, 1NX6A
1NX7C, 1NX7B, 1NX7A
1VU0D, 1VU0B, 1VU0A
1VU1C, 1VU1B, 1VU1A
1VU2D, 1VU2B, 1VU2A
1VU3C, 1VU3B, 1VU3A
1VU6C, 1VU6B, 1VU6A
1VU7A, 1VU7C, 1VU7B

2011 G37 Sedan

2011 G37 Coupe

2009 G37
Convertible

JJ50D, JJ50C, JJ50B, JJ50A
JJ51D, JJ51C, JJ51B, JJ51A
JJ54D, JJ54C, JJ54B, JJ54A
JJ55D, JJ55C, JJ55B, JJ55A

2010 G37
Convertible

1NJ0E, 1NJ0D, 1NJ0C, 1NJ0B, 1NJ0A
JJ80D, JJ80C, JJ80B, JJ80A
1NJ1E, 1NJ1D, 1NJ1C, 1NJ1B, 1NJ1A
JJ81D, JJ81C, JJ81B, JJ81A
1NJ2E, 1NJ2D, 1NJ2C, 1NJ2B, 1NJ2A
JJ82D, JJ82C, JJ82B, JJ82A
1NJ3E, 1NJ3D, 1NJ3C, 1NJ3B, 1NJ3A
JJ83D, JJ83C, JJ83B, JJ83A

2011 G37
Convertible

1NY0D, 1NY0B, 1NY0A
3WP7B, 3WP7A
1NY1E, 1NY1D, 1NY1C,1NY1B, 1NY1A
1NY2E, 1NY2D, 1NY2C, 1NY2B, 1NY2A
1NY3E, 1NY3D, 1NY3C, 1NY3B, 1NY3A

2012
G37Convertible

1VZ0C, 1VZ0B, 1VZ0A
1VZ1C, 1VZ1B, 1VZ1A
1VZ2C, 1VZ2B, 1VZ2A
1VZ3C, 1VZ3B, 1VZ3A

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Table B - TCM
Model

Current TCM Part Number: 31039 -

2009 G37 Sedan
and Coupe

X458D
X450A
X439E, X439D, X439C, X439A
X438E, X438D, X438C
X382D, X382C
X380C, X380B
X359D, X359C
X351B, X351A
X350E
X211E, X211D, X211C, X211B
X184E, X184D
X183C, X183B
3RX0D, 3RX0C
3RX1B, 3RX1A
3RX3D
3RX4A
3RX6E, 3RX6D
1XJ4E, 1XJ4B, 1XJ4A
1XJ5A

2010 - 2011 G37
Sedan and Coupe

X458D
X450A
X439E, X439D, X439C, X439A
X438E, X438D, X438C
X382D, X382C
X380C, X380B
X359D, X359C
X351B, X351A
X350E
X184E, X184D
X183C, X183B
X211E, X211D, X211C, X211B
3RX6E, 3RX6D
3RX4A
3RX3D
3RX1B, 3RX1A
3RX0D, 3RX0C
1XJ5A
1XJ4E, 1XJ4B, 1XJ4A

2009 - 2012 G37
Convertible

X450B, X382B, X212A, X185C, 1XJ2D, 3RX9C
X436E, X439B, X359E, X352C

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7. Follow the on-screen instructions to navigate C-III plus and reprogram the ECM or TCM.

NOTE:
•

In some cases, more than one new P/N for reprogramming is available.
¾ In this case, the screen in Figure 3 displays.
¾ Select and use the reprogramming option that does not have the message “Caution! Use ONLY
with ITBXX-XXX”.

•

If you get this screen and it is blank (no reprogramming listed), it means there is no reprogramming
available for this vehicle.

Figure 3

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8. When the screen in Figure 4 displays, reprogramming is complete.
NOTE: If the screen in Figure 4 does not display (reprogramming does not complete), refer to the
information on the next page.
9. Disconnect the battery charger from the vehicle.
10. Select Next.

Step
10

Figure 4
NOTE:
•

In the next steps (page 12):
1. For ECM reprogramming you will perform Throttle Valve Closed Position, Idle Air Volume
Learn, Accelerator Closed Position, and DTC erase.
2. For TCM reprogramming, only DTC erase is needed.

•

These operations are required before C-III plus will provide the final reprogramming confirmation
report.

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ECM/TCM recovery:
Do not disconnect plus VI or shut down C-III plus if reprogramming does not complete.
If reprogramming does not complete and the “!?” icon displays as shown in Figure 5:
•

Check battery voltage
(12.0–15.5 V).

•

Ignition is ON, engine OFF.

•

External Bluetooth® devices are
OFF.

•

All electrical loads are OFF.

•

Select retry and follow the on
screen instructions.

•

“Retry” may not go through on first
attempt and can be selected more
than once.

Figure 5

If reprogramming does not complete and the “X” icon displays as shown in Figure 6:
•

Check battery voltage
(12.0 – 15.5 V).

•

CONSULT A/C adapter is plugged
in.

•

Ignition is ON, engine OFF.

•

Transmission is in Park.

•

All C-III plus / VI cables are securely
connected.

•

All C-III plus updates are installed.

•

Select Home, and restart the
reprogram procedure from the
beginning.

Figure 6

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11. Follow the on-screen instructions to perform the following:
•

Throttle Valve Closed Position

•

Idle Air Volume Learn (IAVL)
NOTE:
o Listed below are the conditions required for IAVL to complete.
o If IAVL does not complete within a few minutes, a condition may be out of range.
¾ Engine coolant temperature: 70 -105° C (158 - 221°F)
¾ Battery voltage: More than 12.9V (At idle)
¾ Selector lever: P or N
¾ Electric load switch: OFF (Air conditioner, headlamp, rear window defogger)
¾ Steering wheel: Neutral (Straight-ahead position)
¾ Vehicle speed: Stopped
¾ Transmission: Warmed up (ATF TEMP SE less than 0.9V)

•

Accelerator Pedal Close Position Learning

•

Erase DTCs

Continue to the next page.

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12. When the entire reprogramming process is complete, the screen in Figure 7 will display.
13. Verify the before and after part numbers are different.
14. Print a copy of this screen (Figure 7) and attach it to the repair order for warranty documentation.
15. Select Confirm.

Step
13

Step
14
Step
15

Figure 7
16. Make sure you have performed both ECM and TCM reprogramming.
17. Close C-III plus.
18. Turn the ignition OFF.
19. Disconnect the plus VI from the vehicle.
20. Test drive the vehicle and make sure it operates correctly and the MIL is OFF.
•

If the MIL comes ON, go back to ASIST for further diagnostic information.

•

Diagnosis and repairs beyond ECM or TCM reprogramming are not covered by this bulletin.

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