Classification:

EC20-024

Reference:

Date:

NTB20-086

December 1, 2020

PERMANENT DTC SET IN TCM AND WILL NOT ERASE
APPLIED VEHICLES:

2019 Sentra (B17)
2019 Versa Note (E12)
2019 Versa Sedan (N17)

APPLIED TRANSMISSION: CVT (RE0F11A)
IF YOU CONFIRM
One or more of the following DTCs are stored in the permanent DTC screen (Figure 1):
P1890, P2768, P17F3, P17F4, P188F
And
The DTCs will not erase when following the ESM procedure.
NOTE:
 If DTCs other than those listed above are stored, this bulletin does not apply.

Figure 1
ACTION
Replace the TCM.
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
1.

Replace the TCM with a new, blank, TCM.


For TCM replacement, refer to the Electronic Service Manual (ESM), section
TRANSMISSION & DRIVELINE > TRANSAXLE & TRANSMISSION > CVT:
RE0F11A > REMOVAL AND INSTALLATION > TCM.

NOTE: Before replacing the TCM, be sure to save the TCM data on CONSULT before
removing the TCM.

Obtain VIN Specific Configuration
2.

Open the EPC and type in the VIN.

3.

Select F POWER TRAIN.

XXXXXXXXXXXXX

XXXXXXXXXXXXX

Figure 2

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4.

Select 310 AUTO TRANSMISSION, TRANSAXLE & FITTING.

XXXXXXXXXXXXX
XXXXXXXXXXXXXX

Figure 3

5.

Select part 31039 (PROGRAM DATA).

XXXXXXXXXXXXX

XXXXXXXXXXXXX

Figure 4

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6.

Select the correct TCM ROM by clicking on the blue CONSULT button that
corresponds to the vehicle’s production date.

CONSULT button

Production dates
Figure 5

7.

Load the CSV file onto a thumb drive.


After selecting the blue CONSULT button in step 6, a screen showing your
computer’s desktop with the CSV file should display (see Figure 6, this is the VIN
specific configuration file).



Do not change the file name or the file type.



Load/save this CSV file onto a thumb drive.

NOTE: It is recommended, at the start, that the thumb drive be blank; all other files
erased. This will make it easier to find the file later in this procedure.

Example

XXXXXXXXXXXXXXXXXXXXXXXXXX

XXXXXXXXXXXXXXXXXXXXXXXXXX

Do not change
the file name or
the file type

Figure 6

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8.

Plug the thumb drive (with the configuration file) into the CONSULT PC.

Thumb drive with
the configuration
file

Figure 7

Configure the New TCM
IMPORTANT: Before starting, make sure:


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



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



Connect a battery maintainer or smart charger set to reflash mode or a similar
setting. If the vehicle battery voltage drops below 12.0V or rises above 15.5V
during reprogramming, the TCM may be damaged.



Be sure to turn OFF all vehicle electrical loads.
If a vehicle electrical load remains ON, the 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 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 or VI during reprogramming, reprogramming
may be interrupted and the TCM may be damaged.

NOTE: The following steps are to be performed after the TCM has been replaced.

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9.

Connect a battery maintainer or smart charger to the vehicle.

10.

Connect the VI to the vehicle.

11.

Turn the ignition ON.

12.

Open / start C-III plus.

13.

Wait for the VI to be recognized.


14.

The serial number will display when the VI is recognized.

Select Re/programming, Configuration.

VI is
recognized

Figure 8

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15.

Check the box to confirm the precaution instructions have been read, and then select
Next.
NOTE: Use the arrows (if needed) to view and read all the precautions.

Figure 9

16.

If the screen in Figure 10 displays, select Automatic Selection(VIN).


If the screen in Figure 10 does not display, skip to step 17 on page 8.

Figure 10

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17.

Confirm the VIN or Chassis # matches the vehicle’s VIN, and then select Confirm.

XXXXXXXXXXXXXXXX
XXXX
XXXX

Figure 11

18.

Select Confirm.

XXXXXXXXXXXXXXXXXX

Figure 12

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19.

Select TRANSMISSION.

Figure 13

20.

Select After ECU Replacement, under Programming (Blank ECU).

Figure 14

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21.

Select EPC linked.

Figure 15

22.

Select File Selection.

EPC

XXXXXXXXXXXXXXXX

Figure 16

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23.

Navigate your CONSULT PC to the thumb drive and select the configuration file (see
example in Figure 17).


This will be the file that was loaded onto the thumb drive in step 7 on page 4.

NOTE:

24.



Navigating a computer to a file on a thumb drive is a common function, but can
vary depending on the thumb drive and the individual computer set up.



If you are unsure how to navigate to the file on your thumb drive, ask an associate
in your shop who is more familiar with this process.