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P0456 Nissan Service Bulletin NTB17-082a

P0456 Nissan Service Bulletin NTB17-082a

Diagnose and fix P0456 Nissan

Nissan has issued a service bulletin NTB17-082a to address a P0456 Nissan trouble code. P0456 is defined as: Evap Very Small Leak. Nissan has identified as a common failure. The P0456 on the vehicles listed below is NOT caused by a gas cap failure. Do NOT replace the gas cap to fix this problem.

What causes P0456 Nissan?

Nissan has identified the vent control valve O-ring seal as the cause of the P0456 Nissan trouble code. Do NOT replace the vent control valve itself unless you have reason to believe it is faulty.

Vehicles affected by NTB17-082a

2003-2008 350Z Coupe (Z33)
2009-2018 370Z Coupe (Z34)
2014-2009 350Z Roadster (Z33)
2010-2018 370Z Roadster (Z34)
2008-2013 Altima Coupe (L32)
2007-2012 Altima Sedan (L32)
2013-2017 Altima Sedan (L33)
2004-2015 Armada (TA60)
2017-2018 Armada (Y62)
2009-2014 Cube (Z12)
2005-2017 Frontier (D40)
2009-2017 GT-R (R35)
2011-2017 Juke (F15)
2009-2014 Maxima (A35)
2016-2017 Maxima (A36)
2015-2017 Micra (K13)
2009-2014 Murano (Z51)
2015-2017 Murano (Z52)
2016 Murano Hybrid (Z52)
2013-2017 NV200 (M20)
2005-2012 Pathfinder (R51)
2013-2017 Pathfinder (R52)
2014-2015 Pathfinder Hybrid (R52)
2004-2009 Quest (V42)
2011-2017 Quest (E52)
2008-2013 Rogue (S35)
2014-2017 Rogue (T32)
2017 Rogue Sport (J11)
2007-2012 Sentra (B16)
2013-2017 Sentra (B17)
2014-2017 TAXI
2004-2015 Titan (A60)
2016-2017 Titan and Titan XD (A61)
2007-2012 Versa Hatchback (C11)
2014-2017 Versa Note (E12)
2007-2011 Versa Sedan (C11)
2012-2018 Versa Sedan (N17)
2005-2015 Xterra (N50)
2012-2017 NV 1500/2500/3500/Passenger (F80)

Fix P0456 Nissan trouble code with a new O-ring

The vent control valve O-ring seal is located between the P0456 nissanvent control valve and the evaporative emissions canister.

1 Remove the vent control valve
2 Remove and discard the old O-ring
3 Clean the O-ring flange on the vent control valve
4 Clean the area where the vent control valve connects to the evaporative emissions canister
5 Install the new O-ring. Press it firmly against the seat over the vent control valve.

Do NOT lubricate the O-ring

6 Reassemble the vent control valve to the canister and secure
7 Clear the code and test

O-ring part number

©, 2017 Rick Muscoplat

Posted on by Rick Muscoplat

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