Classification:

Reference:

EC21-010

Date:

NTB21-028

April 6, 2021

2020 TITAN/TITAN XD; DELAYED ACCELERATION OR
DELAYED UPSHIFT
2020 Titan/Titan XD (A61)
APPLIED VEHICLES:
APPLIED TRANSMISSION: 9 Speed A/T (GE9R01A)

IF YOU CONFIRM
The customer experiences a hesitation in acceleration during a rolling stop, or delayed
acceleration when pressing the accelerator pedal at or near 0 mph,
Or
A feeling of a delayed upshift or higher than expected engine RPM, while driving on a flat
surface or up a small incline,
And
There are no TCM related DTCs present.

ACTION
1.

Confirm the current ECM part number.

2.

If applicable, reprogram the ECM.

3.

Confirm the current TCM part number.

4.

If applicable, reprogram 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.

1/5

SERVICE PROCEDURE

Perform the following before starting the reprogramming procedure to prevent damage to the
control unit.









Connect the AC Adapter to the CONSULT PC.
Connect the CONSULT PC to the Internet via Wi-Fi or a network cable.
Ensure ASIST on the CONSULT PC has been synchronized (updated) to the
current date and all C-III plus software updates (if any) have been installed.
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, the reprogramming may be
interrupted.
Turn OFF all vehicle electrical loads.
Turn ON the hazard warning lamps.
Connect a battery maintainer or smart charger, set to reflash mode or a similar
setting, to ensure the battery voltage stays between 12.0 V and 15.5 V.

HINT:





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
Learning conditions:
 Engine coolant temperature: 70 - 100°C (158 - 212°F)
 Battery voltage: More than 12.9 V (At idle)
 Transmission: Warmed up
When reprogramming is complete, you may be required to perform:
 Throttle Valve Closed Position Learning
 Idle Air Volume Learning
 Accelerator Pedal Released Position Learning
 Calibration of Park Position Sensor
 Calibration of Decel G Sensor
 DTC Erase

2/5

NTB21-028

Confirm the current ECM part number and, if applicable, reprogram the ECM
1.

Using C-III plus, confirm the current ECM part number and write it on the repair order.


If it matches one of the part numbers in Table A, continue to step 2 to reprogram
the ECM.



If there is not a match, skip to step 4 on page 4 to confirm the current TCM part
number.

Table A
MODEL

2020 Titan/Titan XD

CURRENT ECM PART NUMBER: 237109FV8C, 9FV8D
9FV9C, 9FV9D
EZ91B, EZ91C
EZ92B, EZ92C
EZ93B, EZ93C
EZ94B, EZ94C

2.

Reprogram the ECM.

3.

After completing Erase ALL DTCs, print a copy of the C-III plus screen showing the
before and after part numbers of the control unit and attach it to the repair order.

3/5

NTB21-028

Confirm the current TCM part number and, if applicable, reprogram the TCM
4.

Using C-III plus, confirm the current TCM part number and write it on the repair order.


If it matches one of the part numbers in Table B, continue to step 5 to reprogram
the TCM.



If there is not a match, TCM reprogramming is not required. Refer to the ESM for
further diagnostic information.

Table B
MODEL

2020 Titan/Titan XD

CURRENT TCM PART NUMBER: 310399FV1A, 9FV1B, 9FV1D, 9FV1E
9FV3A, 9FV3B, 9FV3D, 9FV3E
9FV4D, 9FV4E
9FV5C
9FV7A, 9FV7B, 9FV7D, 9FV7E

5.

Reprogram the TCM.

6.

After completing Erase ALL DTCs, print a copy of the C-III plus screen showing the
before and after part numbers of the control unit and attach it to the repair order.

4/5

NTB21-028

CLAIMS INFORMATION
Submit a Primary Part (PP) type line claim using the following claims coding:
DESCRIPTION

PFP

Reprogram Engine Control Module (ECM)
Reprogram A/T Control Unit (TCM)
(1)
(2)

(1)

OP CODE
DE97AA
JX93AA

SYM

DIA

ZE

32

FRT
(2)
0.6 hr

Reference the electronic parts catalog and use the Automatic Transmission Assembly
(31020-*****) as the Primary Failed Part (PFP).
Reference the current Nissan Warranty Flat Rate Manual and use the indicated Flat
Rate Time (FRT).

AMENDMENT HISTORY
PUBLISHED DATE REFERENCE
April 6, 2021

NTB21-028

DESCRIPTION
Original bulletin published

5/5

NTB21-028