Classification:

Reference:

EC23-010A

Date:

NTB24-016A

July 19, 2024

DTC P161F FOR IMMOBILIZER CODE STORED IN ECM
WITH VEHICLE NO-START CONDITION
This bulletin has been amended. See AMENDMENT HISTORY on the last page.
Please discard previous versions of this bulletin.

APPLIED VEHICLES:
APPLIED DATES:

2022-2023 Pathfinder (R53)
Built on or before October 17, 2022

IF YOU CONFIRM
The vehicle cranks but will not start, and DTC P161F for “IMMOBILIZER” is stored in the
ECM.

ACTION
Follow the SERVICE PROCEDURE in this bulletin to reprogram the ECM, if applicable.

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.
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.

Using CONSULT-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 1, continue to step 2 below.



If it does not match one of the part numbers in Table 1, this bulletin does not
apply. Go back to ASIST for further diagnostic and repair information.

Table 1
MODEL
2022
2023

CURRENT ECM PART NUMBER: 237616TH0A, 6TH0B, 6TH0C, 6TH0D, 6TH0E, 6TH1A, 6TH1B, 6TH1C,
6TH1D, 6TH1E, 6TH2A, 6TH2B, 6TH2C, 6TH2D, 6TH2E, 6TH3A,
6TH3B, 6TH3C, 6TH3D, 6TH3E, 6TR4A, 6TR5A, 6TR6A, 6TR7A
6TH5B, 6TH6B, 6TH7B, 6TH8B

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.
 Ensure ASIST on the CONSULT PC has been synchronized (updated) to the
current date and all CONSULT software updates (if any) have been installed.
 When reprogramming is complete, you will be required to perform Throttle Valve
Closed Position, Idle Air Volume Learning, Accelerator Closed Position, and
DTC Erase.
 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 the hazard warning lamps ON.
o Turn OFF all other vehicle electrical loads such as exterior lights, interior lights,
HVAC, blower, rear defogger, audio, NAVI, seat heater, steering wheel heater,
etc. If electrical loads remain ON, the ECM may be damaged.
 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 13.5 V.

2.

If prompted, select USA/CANADA Dealers from the drop-down menu, and then
select OK.

3.

Login using your NNAnet credentials.
IMPORTANT: If not prompted to enter your username and password, the CONSULT
PC may not be connected to Wi-Fi. Close C-III plus, confirm the CONSULT PC is
connected to Wi-Fi, and then reopen C-III plus.

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NTB24-016A

4.

Reprogram the ECM.
HINT: If you are not familiar with the reprogramming procedure, click here. This will
link you to the "CONSULT-III PLUS REPROGRAMMING FOR ENGINE OR
TRANSMISSION CONTROL MODULE (ECM OR TCM)" general procedure.

5.

After completing Erase All DTCs, print a copy of the CONSULT screen showing
the before and after part numbers of the control unit and attach it to the repair order.

CLAIMS INFORMATION
Submit a Primary Part (PP) type line claim using the following claims coding:
DESCRIPTION
Reprogram Engine Control Module (ECM)
(1)
(2)

PFP

OP CODE

SYM

DIA

FRT

(1)

DE97AA

ZE

32

(2)

Reference the electronic parts catalog and use the ECM Blank (23703-*****) as the
Primary Failed Part (PFP).
Reference the current Nissan Warranty Flat Rate Manual and use the indicated Flat
Rate Time (FRT).
HINT: FRT allows adequate time to access DTC codes and reprogram the ECM. No
other diagnostic procedures subsequently required. Do NOT claim any Diagnostic Op
Codes with this claim.

AMENDMENT HISTORY
PUBLISHED DATE REFERENCE
April 24, 2024

NTB24-016

July 19, 2024

NTB24-016A

DESCRIPTION
Original bulletin published
Prefix in Table 1 revised

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NTB24-016A