Question about 2003 Chrysler Town & Country

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What is the error code p0455 on Chrysler Town and Country?

Posted by shoultscryst on

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  • shoultscryst Nov 14, 2009

    The engine size is 3.8, I also wanted to mention that I have tried the gas cap & also replaced it, but it didn't fix the problem

  • shoultscryst Nov 14, 2009

    Forgot to mention that it is the 2 wheel drive.

  • Nate Stansfield
    Nate Stansfield May 11, 2010

    Hello. I need a little more info. Is the 2 wheel drive or all wheel drive. And what size motor is this in Liters? If I know this info I can tell you exactly what the problem is and how to fix it.



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ziad ahmad

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P0455....Evaporative Emission Control System Leak Detected (gross leak
the first thin to check is your gas cap

Posted on Nov 14, 2009


Nate Stansfield

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EVAP Large Leak Detected
Possible Causes:

EVAP purge solenoid is damaged or it has failed Fuel tank cap is damaged, missing or the wrong part number NVLD switch is damaged or it has failed

Posted on Nov 14, 2009

  • Nate Stansfield
    Nate Stansfield Nov 14, 2009

    Yep. This is the correct info. You can go to and register for full free online repair manual with everything you could need for this van. If you need it.



Florin Sicoi

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I had P0455 code and the Leak Detection Pump Vent Valve 4669865 OEM Mopar was the problem. thank God no more check engine light on!!!

Posted on May 30, 2015

  • Sam Vasquez
    Sam Vasquez Sep 20, 2015

    Hey buddy what the part look like? If u could post a pic? And maybe explain what is exactly are the function of the part? I'll really appreciate it! Thanks!


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Nick DelRegno

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SOURCE: error codes 442 and 456 on 2003 Chrysler Town and Country

Could be the gas cap.  Do you fill the tank with the engine running?
Otherwise, check the hoses near the Evap canister.  I have 2003 T&C and had the small leak and large leak codes.  I looked at the evap cansiter and the hose coming from the fuel tank vapor line had a huge crack in it, to the point it had fallen off the evap caniser.  I trimmed the end of the hose and reconnected and voila, no codes.
The evap canister is on the driver's side of the van, underneath, slightly behind the drivers seat.
BTW, to clear the codes without an OBDII reader, remove the negative cable for 5-10 minutes (15 to be safe).  The computer resets and clears the codes, except for one that it sets saying loss of power to the memory.

Posted on Jan 24, 2009


Colin Stickland

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SOURCE: Chrysler trouble code U110C on 2005 chrysler town

encrypted software ,dealer only----yes i know you are showing a reading but it doesnt mean anything or if it does it shows a different code .so your snap on or mac tools scanner is a waste of time and money.Nearly all new motors from 2005 are using encrypted software to stop general mechanics like me from working

Posted on Sep 12, 2009

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