Classification:

Reference:

Date:

EL16-023

ITB16-021

June 27, 2016

2014 - 2015 Q50; THEFT ALARM SOUNDS
WHEN VEHICLE IS LOCKED, UNLOCKED, OR DOOR/TRUNK OPENED
APPLIED VEHICLES:

2014 – 2015 Q50 (V37)
2014 – 2015 Q50 Hybrid (V37)

IF YOU CONFIRM
Intermittently, the theft alarm triggers (horn sounds and lights flash) when one of the following occur:





Using the lock, unlock, or trunk open function on the Intelligent Key
Pushing a handle request switch (door or trunk)
Touching a door handle one touch unlock sensor
Opening a door or the trunk with the vehicle unlocked

and
CONSULT-III plus (C-III plus) shows the last item to trigger the theft alarm is BATTERY.


Refer to Check Last Item to Trigger Theft Alarm on the next page.

ACTION
Replace the Body Control Module (BCM).


Refer to the Electronic Service Manual, section BCS-Body Control Systems, for replacement
information.



Use the new BCM listed in the Parts Information.

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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Check Last Item to Trigger Theft Alarm
1. Turn the ignition ON, engine OFF / not Ready.
2. Connect the plus VI and start C-III plus.
3. Navigate the C-III plus to the screen shown in Figure 1.


Diagnosis (One System) or Diagnosis (All Systems) and then BCM.

4. Select THEFT ALM.

Step 4

Figure 1
5. Select Work Support.

Step 5

Figure 2
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ITB16-021

6. Select THEFT ALM TRG, then Start.

Step 6

Step 6

Figure 3
7. CONSULT-III plus will display a list of all the theft alarm Monitor Items (Figure 4).
 If BATTERY indicates On, and the other conditions under If You Confirm on page 1 are satisfied,
this bulletin applies.
 If BATTERY indicates Off, this bulletin does not apply.

Step 8

Last theft alarm
trigger

Off

On

Figure 4
8. After a theft alarm trigger has been noted, the history can be cleared by selecting Start.

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ITB16-021

PARTS INFORMATION
DESCRIPTION
Body Control Module (BCM)

PART NUMBER
284B1 – 4HB1B

QUANTITY
1

CLAIMS INFORMATION
Submit a Primary Part (PP) type claim using the following claims coding:
DESCRIPTION
PFP
OP CODE
SYM
RPL BODY CONTROL/IVMS
284B1 – 4HB1B
RD94AA
ZE
MODULE
(1) Reference the current Infiniti Warranty Flat Rate Manual and use the indicated FRT.

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DIA

FRT

32

(1)

ITB16-021