Difference between revisions of "16840/P0456/001110"

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'''VW'''
 
'''VW'''
 
* On 2006 and 2007 Passat, check fuel cap part number.  Updated version ends in "G".  Please refer to Technical Bulletin 2016757 for details.
 
* On 2006 and 2007 Passat, check fuel cap part number.  Updated version ends in "G".  Please refer to Technical Bulletin 2016757 for details.
 +
 +
* For the Tiguan with the 2.0T DGUE engine that has one or more of the following fault codes, please see TSB 054615 for possible ECM update and hardware update.
 +
** P0172, P0300, P0301, P0302,P0303, P0304, P0441, P0456, P060C, P2440 and/or P2450
 +
*** https://static.nhtsa.gov/odi/tsbs/2019/MC-10162819-0001.pdf  NHTSA
 +
 +
* For the 2013-2019 Jetta 1.4 engine that has one or more of the following fault codes, please see Tech Tip 01-19-06 (2056714/1) for info on N80 Purge Valve testing
 +
** P0441, P0442, P0455, P0456
 +
*** https://static.nhtsa.gov/odi/tsbs/2019/MC-10166734-0001.pdf  NHTSA
 +
 +
* For the 2018-2021 Atlas with the 3.6L CDVC engine with P2407 or P0456, please see TSB 01-21-09 or TPI 2063514 for possible ECM firmware update.
 +
** https://static.nhtsa.gov/odi/tsbs/2021/MC-10201749-0001.pdf  NHTSA
 +
  
 
'''Audi'''
 
'''Audi'''
* '''Audi Q7 (4L/FE)''' chassis.  When [[16840/P0456/001110 | P0456]] or [[16826/P0442/001090 | P0442]] are stored, see if the following NAR market TPIs apply to the vehicle in question: 2040924 -or- 2035519.  Each makes mention of a revised LDP part number (''7L8906271A'') in addition to troubleshooting the vacuum supply to the LDP.
+
 
* '''Audi Q5 (8R)''' 2009 model year with 3.2 V6 FSI. When [[16840/P0456/001110 | P0456]] or [[16826/P0442/001090 | P0442]] are stored, see if the following NAR market TPI applies to the vehicle in question: 2021418.  That's a flash update to correct a software problem with specific Engine controller part number(s).
 
 
* '''Audi A6 (4F)''' with 3.2 V6 FSI.  When this DTC is stored see if this NAR market TPI applies to the vehicle in question: 2020900.  That's a flash update to correct a software problem with specific Engine controller part number(s).
 
* '''Audi A6 (4F)''' with 3.2 V6 FSI.  When this DTC is stored see if this NAR market TPI applies to the vehicle in question: 2020900.  That's a flash update to correct a software problem with specific Engine controller part number(s).
* '''Audi A6/A7/A8 (4G/FC/4H)''' models with 3.0 TFSI and 4.2 FSI gas engines. When this DTC is stored see if this NAR market TPI applies to the vehicle in question: 2027732That is a flash update to correct a software problem with specific Engine controller part number(s) in addition to replacement of PCV parts when applicable. If the software was already up to date, J909 or G400 may need to be replaced.  See the next note related to those components.
+
 
* '''Audi A6/A7 (4G/FC)''' 2012-2014 model years -and- '''A4/S4/A5/S5/A5/S5 Cab/Q5 (8K/FL/8T/FH/FR/8F/8R/FP''') 2012-2014 model years. When this DTC is stored see if this NAR market TPI applies to the vehicle in question: 2035073.  That document contains information related to revised G400 and J909 components.
+
* NAR (North American) Market TPI 2040924 and TPI 2035519 for possible updated LDP part number 7L8-906-271-A
 +
** https://static.nhtsa.gov/odi/tsbs/2016/SB-10093296-0699.pdf  NHTSA
 +
** https://static.nhtsa.gov/odi/tsbs/2014/SB-10065706-6903.pdf  NHTSA
 +
*** 2013-2015 Q7
 +
 
 +
* NAR (North American) Market TPI 2021418 contains information for possible flash update to correct a software problem with specific Engine controller part number(s)
 +
** https://static.nhtsa.gov/odi/tsbs/2013/SB-10065664-6903.pdf NHTSA
 +
*** 2009-2009 Q5 with 3.2
 +
 
 +
* NAR (North American) Market TPI 2027732 contains information for possible flash update to correct a software problem with specific Engine controller part number(s) in addition to replacement NVLD pressure sensor G400 and/or NVLD control module J909.
 +
** https://static.nhtsa.gov/odi/tsbs/2014/MC-10122276-9999.pdf NHTSA
 +
*** 2012-2012 A6/A7 with 3.0
 +
*** 2011-2018 A8 with 4.2
 +
 
 +
* NAR (North American) Market TPI 2035073 contains information for possible NVLD pressure sensor G400 and the NVLD filter updates:
 +
** https://static.nhtsa.gov/odi/tsbs/2015/MC-10123710-9999.pdf  NHTSA
 +
*** 2015-2015 A3
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*** 2013-2015 A4
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*** 2013-2015 allroad
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*** 2013-2015 A5
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*** 2013-2015 RS5
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*** 2013-2015 A5 Cabriolet
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*** 2013-2015 Q5
 +
*** 2012-2016 A6
 +
*** 2012-2016 A7
 +
*** 2012-2016 RS7
 +
*** 2011-2015 A8

Latest revision as of 17:53, 12 May 2022

16840/P0456/001110 - EVAP System: Very Small Leak Detected

Possible Symptoms

  • Malfunction Indicator Light (MIL) active

Possible Causes

  • Fuel Cap not fully attached
  • Evaporative Emission (EVAP) System leaking/faulty

Possible Solutions

  • Check Fuel Cap
  • Check Evaporative Emission (EVAP) System

Special Notes

VW

  • On 2006 and 2007 Passat, check fuel cap part number. Updated version ends in "G". Please refer to Technical Bulletin 2016757 for details.
  • For the Tiguan with the 2.0T DGUE engine that has one or more of the following fault codes, please see TSB 054615 for possible ECM update and hardware update.


Audi

  • Audi A6 (4F) with 3.2 V6 FSI. When this DTC is stored see if this NAR market TPI applies to the vehicle in question: 2020900. That's a flash update to correct a software problem with specific Engine controller part number(s).
  • NAR (North American) Market TPI 2027732 contains information for possible flash update to correct a software problem with specific Engine controller part number(s) in addition to replacement NVLD pressure sensor G400 and/or NVLD control module J909.
  • NAR (North American) Market TPI 2035073 contains information for possible NVLD pressure sensor G400 and the NVLD filter updates: