Classification:

Reference:

EC14-003a

Date:

NTB14-044a

January 10, 2019

2013 – 2018 SENTRA; MIL ON WITH DTC P0448
This bulletin has been amended. See Amendment History on the last page.
Please discard previous versions of this bulletin.

APPLIED VEHICLES:

2013-2018 Sentra (B17)

IF YOU CONFIRM
The MIL is ON with DTC P0448 (EVAP Canister Vent Control Valve).

ACTION
Replace the EVAP canister hose.
1. Remove the old EVAP canister hose and box-drain.
2. Drill a hole to secure the new EVAP canister hose.
3. Install the new EVAP canister hose.
4. Erase DTCs.
AND
Inspect the EVAP canister filter and EVAP canister and replace if water is present.

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.
1/10

SERVICE PROCEDURE
1. Remove the rear bumper fascia.


Refer to the Electronic Service Manual (ESM) for rear bumper fascia removal.
 For PDF ESMs, go to section EXT-Exterior.
 For HTML (Web based) ESMs, go to BODY EXTERIOR, DOORS, ROOF &
VEHICLE SECURITY > EXTERIOR.

2. Locate the EVAP canister hose (hose)
and box-drain behind the right rear
bumper fascia.

Boxdrain

Tab

NOTE: The tab in Figure 1 will be drilled
later in the procedure.
EVAP
canister
hose

Figure 1
3. Remove the box-drain from the hose.


Pull to unsnap and remove.

NOTE: Box-drain will not be reused.
4. Remove the hose from the EVAP canister hose elbow (elbow).


Pull and twist to remove.
Box-drain
Pull off

Hose

Pull
off

Elbow
Figure 2
2/10

NTB14-044a

PREPARE TAB FOR DRILLING
5. Measure 27 mm from the bottom of the
tab and make a mark.

27 mm

Figure 3

6. Measure 16 mm from either side of the
tab and make a mark.

16 mm

Figure 4

7. Verify the marks meet in the center of
the tab.
Center
of tab

 Center point of tab (top-to-bottom
and left-to-right).

Figure 5

3/10

NTB14-044a

8. Use a 9 mm drill bit to drill a hole where
the marks meet.

Figure 6

9. Apply touch-up paint to protect bare
metal.

Figure 7



Push

10. Install the new hose onto the elbow.
Push and twist to install.

NOTE: The new hose is listed in the
PARTS INFORMATION section of this
bulletin.
Elbow

Figure 8
4/10

NTB14-044a

11. Insert the new hose clip into the 9 mm
hole.

Clip

Figure 9

12. Transfer the debris guard from the OLD
hose to the NEW hose.


Twist and pull to remove.



Twist and push to install.

Debris
guard

Figure 10

Debris
guard

NOTE: New set up does not use a boxdrain.

Figure 11

5/10

NTB14-044a

2014 – 2018 - INSPECT EVAP CANISTER AND EVAP CANISTER FILTER FOR WATER
2013 - SKIP TO STEP 15 TO INSPECT THE EVAP CANISTER FOR WATER
NOTE: EVAP canister filter for 2014-2018 Sentra is shown in Figure 12. For 2013 Sentra
skip to step 15.

13. Remove the EVAP canister filter.


EVAP
canister
filter

Refer to Figure 14 and Figure 15 on
the following pages and the
Electronic Service Manual (ESM) for
EVAP canister filter removal and
installation.
 For PDF ESMs, go to section
FL - FUEL SYSTEM.
 For HTML (Web based)
ESMs, go to ENGINE > FUEL
SYSTEM.

EVAP
canister
Figure 12

14. If water IS found in the EVAP canister filter, replace the EVAP canister filter and
continue to step 15.


If water is NOT found in the EVAP canister filter, re-install the EVAP canister filter
and skip to step 17 on the next page.



Refer to Figure 14 and Figure 15 on the following pages and the Electronic Service
Manual (ESM) for EVAP canister filter removal and installation.
 For PDF ESMs, go to section FL - FUEL SYSTEM.
 For HTML (Web based) ESMs, go to ENGINE > FUEL SYSTEM.

15. Remove the EVAP canister and inspect
for water.


Refer to the Electronic Service
Manual (ESM) for EVAP canister
removal and installation.
 For PDF ESMs, go to section
FL - FUEL SYSTEM.
 For HTML (Web based)
ESMs, go to ENGINE > FUEL
SYSTEM.

6/10

Figure 13

NTB14-044a

16. If water is found inside, replace the EVAP canister, EVAP control system pressure
sensor, and EVAP canister vent control valve.


Refer to the Electronic Service Manual (ESM) for EVAP canister, EVAP control
system pressure sensor, and EVAP canister vent control valve removal and
installation.
 For PDF ESMs, go to section FL - FUEL SYSTEM.
 For HTML (Web based) ESMs, go to ENGINE > FUEL SYSTEM.

NOTE: The EVAP canister, EVAP control system pressure sensor, and EVAP canister
vent control valve are all listed in the PARTS INFORMATION section of this bulletin.

17. Install the rear bumper fascia.


Refer to the Electronic Service Manual (ESM) for rear bumper fascia installation.
 For PDF ESMs, go to section EXT-Exterior.
 For HTML (Web based) ESMs, go to section BODY EXTERIOR, DOORS,
ROOF & VEHICLE SECURITY > EXTERIOR.

18. Connect C-III plus VI to the vehicle.

19. Open C-III plus on the CONSULT PC.

20. Erase DTCs.

7/10

NTB14-044a

EVAP canister Filter

Figure 14

8/10

NTB14-044a

2014-2018
Sentra

EVAP canister Filter

Figure 15

9/10

NTB14-044a

PARTS INFORMATION
DESCRIPTION

PART NUMBER

QUANTITY

EVAP emissions canister hose

18791 - 5UD0A

1

EVAP canister filter

14953 - 1LA0A

1 (as needed)

EVAP emissions canister

14950 - 1KC0A

1 (as needed)

EVAP canister vent control valve
EVAP control system pressure
sensor

14935 - JF00E

1 (as needed)

22365 - 1TV1B

1 (as needed)

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

PFP

OP CODE

SYM

DIA

FRT

Replace EVAP canister hose
FX59AA
0.6*
(1)
ZE
32
Inspect additional components in
FX60AA
0.8*
part table
(1) Refer to the electronic parts catalog (EPC), and use the EVAP Canister Hose 18791***** as the Primary Failed Part (PFP).
*The FRT allows adequate time to access DTC code. No other diagnostic procedures
subsequently required. Do Not claim any other diagnostic codes with this claim.
OR IF Replacement is Needed
DESCRIPTION

PFP

OP CODE

SYM

DIA

FRT

Replace EVAP canister hose
FX59AA
0.6*
(1)
ZE
32
Inspect and Replace additional
FX61AA
0.9*
components in part table
(1) Refer to the Electronic Parts Catalog (EPC) and use the EVAP Canister Hose (18791*****) as the Primary Failed Part.
*The FRT allows adequate time to access DTC code. No other diagnostic procedures
subsequently required. Do Not claim any other diagnostic codes with this claim.

AMENDMENT HISTORY
PUBLISHED DATE REFERENCE DESCRIPTION
May 16, 2014

NTB14-044

Original bulletin published

January 10, 2019

NTB14-044a

Procedure has been changed throughout

10/10

NTB14-044a