ITB16-012C

Classification:
Reference:
Date:
KS16-014C
ITB16-012C
March 15, 2021
INTELLIGENT KEY BUTTONS INOPERATIVE
BUT REQUEST SWITCHES WORK
This bulletin has been amended. See AMENDMENT HISTORY on the last page.
Please discard previous versions of this bulletin.
APPLIED VEHICLES:
2015-2019 Q50 (V37)
2014-2018 Q50 Hybrid (V37)
2017-2019 Q60 (V37)
2019 QX50 (J55)
2015-2019 QX60 (L50)
2015-2017 QX60 Hybrid (L50)
SERVICE INFORMATION
For the Applied Vehicles:

If all buttons (lock / unlock / panic / trunk) on an
Intelligent Key(s) do not work,
AND

With the Intelligent Key in range, the doors will lock
and unlock when pressing either front door request
switch (see Figure 1),
Figure 1
THEN

Front door
request
switch
That specific Intelligent Key may have become de-synchronized with the vehicle.
NOTE:

Intelligent Key de-synchronization may occur if the Intelligent Key is not used for an extended period of
time, or if the Intelligent Key was not operating due to low battery condition and the battery has been
replaced.

DO NOT replace the BCM, Intelligent Key, or any other parts if an Intelligent Key only needs to be resynchronized.
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 retailer to determine if this
applies to your vehicle.
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Test Intelligent Key Synchronization
1. Start the engine with the Intelligent Key inside the vehicle.

If successful: Turn the ignition OFF and exit the vehicle. Proceed to step 2.

If unsuccessful: Push the ignition button to ON (engine OFF), and open the driver’s side window.
Proceed to step 4.
2. Press any button on the Intelligent Key to confirm that the vehicle responds correctly.

If OK: The issue is resolved and no further action is required.

If NG: Proceed to step 3.
3. Re-enter the vehicle with the Intelligent Key, push the ignition button to ON (engine OFF), and open the
driver’s side window.
4. Turn the ignition OFF and exit the vehicle.
5. Place the Intelligent Key outside the vehicle, a minimum distance of 10 feet away to avoid detection of
the Intelligent Key by the vehicle. See Figure 2 below.
Vehicle antennas
must not detect key
during this procedure
Place
Key at
least 10
feet from
vehicle
Figure 2
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ITB16-012C
6. Re-enter the vehicle and close the door.
NOTE: DO NOT open the driver’s or passenger’s side door during steps 7-9.
IMPORTANT: The next three steps MUST be performed in close time and sequence together in order for the
test to be performed correctly. It is recommended that you read and understand the steps before continuing.
7. Press the ignition button, and then immediately perform step 8.
8. Within 30 seconds, have an associate hand the Intelligent Key to you through the open window, and then
immediately perform step 9.
9. Without pressing the ignition button, place the Intelligent
Key in front of the ignition button, as shown in Figure 3 (upper
back of the key aligns with center of the ignition button), and
listen for two short tones.

If two short tones are heard: The Intelligent Key is now
re-synchronized and should function normally again.
Proceed to step 10 on the next page.

If no tones are heard, and the Intelligent Key buttons still do not work: Refer to ASIST or the applicable
Electronic Service Manual for further diagnosis.
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Figure 3
ITB16-012C
10. Confirm “PUSH BRAKE AND START BUTTON TO DRIVE” is displayed in the vehicle information display in
the combination meter (see Figure 4).
Figure 4
11. Confirm Intelligent Key operation by testing all the buttons.
AMENDMENT HISTORY
PUBLISHED DATE
REFERENCE
DESCRIPTION
March 15, 2016
ITB16-012
Original bulletin published.
June 24, 2016
ITB16-012A
Title, SERVICE INFORMATION section, and page 3
revised.
February 4, 2019
ITB16-012B
APPLIED VEHICLES and Test Intelligent Key
Synchronization procedure revised.
March 15, 2021
ITB16-012C
Classification Number updated
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ITB16-012C