Classification:

Reference:

EL20-002a

Date:

NTB20-004a

June 29, 2020

2020 SENTRA; REMOTE ENGINE START
This bulletin has been amended. See AMENDMENT HISTORY on the last page.
Please discard previous versions of this bulletin.

APPLIED VEHICLES:

2020 Sentra (B18) - Equipped with Remote Engine Start

SERVICE INFORMATION
To use the Remote Engine Start (RES) feature, the following conditions must be met:


The ignition is OFF.



The shift selector is in the “P” (park) position.



The hood, doors, and trunk lid are closed.



The hazard warning lights are OFF.



The Intelligent Key is within 197 feet (60 m) of the vehicle, and there are no
obstructions between the Intelligent Key and the vehicle.



The vehicle is already locked (this must be done using the Intelligent Key or the
request switch on the exterior door handle).

If the conditions above are met, perform the following to use RES:
1. Point the Intelligent Key at the vehicle.
2. Press the lock button.
IMPORTANT: The doors must already be locked prior to starting the RES sequence.
Refer to the last bullet point in the conditions list above.
3. Within two (2) seconds of pressing the lock button, press and hold the RES
button until the turn signal lights flash and the parking lights turn ON.
HINT: When RES is performed, the engine should start, the parking lights should
remain ON and the doors should remain locked while the engine is running. If this
does not occur, use the Supplemental Diagnosis Table on the next page, in
addition to the ESM.
 Additional information about RES can be found in the owner’s manual
in the Pre-driving checks and adjustments section.
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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Supplemental Diagnosis Table – RES does not work
POSSIBLE CAUSE

RESOLUTION

1

The ECM has not completed the
shutdown procedure after the
engine/ignition was turned OFF.

2

The RES was correctly activated two
(2) times consecutively.
Drive the vehicle over 5 mph (7 km/h) to reset
OR
The RES was activated once and, while the RES counter.
the engine was running, another RES
request was generated.

Wait six (6) seconds after the engine has
stopped running before attempting RES.

1. Close and lock all doors and trunk lid.
3

4
5

6
7

The doors and trunk lid are not closed
and locked.
The lock button on the Intelligent Key
was not pressed prior to activating the
RES.
The RES button on the Intelligent Key
was not held long enough.
Waited longer than two (2) seconds to
press the RES button after the lock
button was pressed on the Intelligent
Key.
The ignition is not OFF.

2. Confirm both conditions in BCM Data
Monitor:
 All doors closed - Status SW = OFF
 All doors locked - Status = LOCK
Press the lock button before pressing and
holding the RES button.
Hold the RES button for more than two (2)
seconds to activate RES.
Press and hold the RES button within two (2)
seconds of pressing lock button on the
Intelligent Key.
Turn the ignition OFF.
1. Place the shift selector in the “P” (park)
position.

8

9

The shift selector is not in the “P” (park)
position.

2. Confirm in BCM Data Monitor:
 PN Switch = ON (with shift selector in
P position)
 If PN switch = OFF, refer to ESM for
further diagnosis.
Remove all devices that may cause RF
interference inside the vehicle (e.g. aftermarket alarms, toll passes, cell phones,
garage door opener remote).

RF signal interference between the
Intelligent Key and the HFM.

1. Close the hood.
10

2. Confirm hood switch operation using
IPDM Data Monitor:

The hood is open.

 Hood Switch-2 = ON (when hood is
closed.)

2/3

NTB20-004a

Supplemental Diagnosis Table – RES does not work (continued)

11

The security system is currently
activated (activation keeps the engine
from starting).
HINT: The horn may not be heard and
lights may not be flashing.

12

DTCs are stored or Key System Error
warning appears in the vehicle
information display.

Turn OFF/deactivate the security system
(unlock doors with the Intelligent Key).

Diagnose, repair and erase all DTCs with C-III
plus.

AMENDMENT HISTORY
PUBLISHED DATE REFERENCE

DESCRIPTION

February 4, 2020

NTB20-004

Original bulletin published

June 29, 2020

NTB20-004a

A Remote Engine Start condition was removed from
page 1

3/3

NTB20-004a