Classification:

Reference:

EC17-029a

Date:

NTB17-105a

November 6, 2017

2017 NV; MIL ON WITH DTC P0527 STORED, AND/OR SLOW 1-2
UPSHIFT, AND/OR LOUD ENGINE FAN NOISE
This bulletin has been amended. The Title and If You Confirm section have been revised.
No other changes have been made. Please discard previous versions of this bulletin.

APPLIED VEHICLES: 2017 NV 2500/3500/Passenger (F80)
APPLIED ENGINE:

VK56VD (V8 gasoline)

IF YOU CONFIRM
The MIL is ON with DTC P0527 (Cooling Fan Speed Sensor) stored,
and/or
The customer reports slow 1-2 upshift,
and/or
The customer reports louder than normal engine fan noise.

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.

IMPORTANT: The purpose of ACTION (above) is to give you a quick idea of the work you
will be performing. You MUST closely follow the entire SERVICE PROCEDURE as it
contains information that is essential to successfully completing this repair.
Nissan 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 Nissan dealer to determine if this applies to your vehicle.
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SERVICE PROCEDURE
IMPORTANT: Before starting, make sure:


ASIST on the CONSULT PC has been synchronized (updated) to the current date.



All CONSULT-III plus (C-III plus) software updates (if any) have been installed.

NOTE:


Most instructions for reprogramming with 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) ECM Reprogramming" general procedure.



Take the vehicle for a 10 minute drive in order to meet the following Idle Air Volume
Learn (IAVL) conditions:
 Engine coolant temperature: 70 -105°C
(158 - 221°F)
 Battery voltage: More than 12.9V (At idle)
 Transmission: Warmed up
Figure A



After reprogramming is complete, you will be required to perform Idle Air Volume
Learn. The above condition are required for Idle Air Volume Learn to complete.

CAUTION:


Connect the GR8 to the 12V battery and select ECM Power Supply Mode.
If the vehicle battery voltage drops below 12.0V or rises above 15.5V during
reprogramming, the ECM may be damaged.



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

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1. Connect the CONSULT PC to the vehicle to begin the reprogramming procedure.

2 Start C-III plus.

3. Wait for the plus VI to be recognized.


The serial number will display when the plus VI is recognized.

4. Select Re/programming, Configuration.

VI is
recognized

Step
4

Figure 1

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

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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 Part Number and write it on the repair order.

NOTE: This is the current ECM Part Number (P/N).

6A: Current ECM 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 below.


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



If there is not a match, reprogramming does not apply. Refer to ASIST for
further diagnostic and repair information.

Table A
MODEL

CURRENT ECM PART NUMBER: 23710-

2017 NV

9JJ4A, 9JJ5A, 9JJ6A, 9JJ7A
9JJ4B, 9JJ5B, 9JJ6B, 9JJ7B

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

NOTE:


In some cases, more than one new P/N for reprogramming is available.
 If there is more than one new P/N, the screen in Figure 3 displays.
 Select and use the reprogramming option that does not have the message
“Caution! Use ONLY with NTBXX-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 (which indicates reprogramming did
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, starting on page 8, you will perform Throttle Valve Closed Position,
Idle Air Volume Learn, Accelerator Closed Position, and DTC erase.



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

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Reprogram Recovery:
Do not disconnect the 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:
 Listed below are common conditions required for IAVL to complete.
 If IAVL does not complete within a few minutes, a condition may be out of
range.
 Refer to the appropriate ESM for specific conditions required for the
vehicle you are working on.
o Engine coolant temperature: 70 -105° C (158 - 221°F)
o Battery voltage: More than 12.9V (At idle)
o Selector lever: P or N
o Electric load switch: OFF (Air conditioner, headlamp, rear window defogger)
o Steering wheel: Neutral (Straight-ahead position)
o Vehicle speed: Stopped
o Transmission: Warmed up


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. Close C-III plus.

17. Turn the ignition OFF.

18. Disconnect the plus VI from the vehicle.

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CLAIMS INFORMATION
Submit a Primary Part (PP) type claim using the following claims coding:
DESCRIPTION
PFP
OP CODE
SYM
DIA
FRT
Reprogram ECM
(1)
DE97AA
ZE
32
(2) (3)
(1) Reference FAST and use the ECM part number (23710-*****) as the PFP.
(2) Reference the current Nissan Warranty Flat Rate Manual and use the indicated FRT.
(3) FRT allows adequate time to access DTC codes and reprogram ECM. No other
diagnostic procedures subsequently required. Do NOT claim any Diagnostic Op Codes
with this claim.

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