Question about 2001 Dodge Grand Caravan
You are correct... these are not normal codes and as such not listed in a generic module like yours
DTC P1684 is a status message indicating PCM memory has been cleared within the past 50 ignition cycles and does not indicate a fault.
and the P0456 means you have a small EVAP leak which will be near impossible to find unless you have a "smoke" machine
Posted on May 03, 2010
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Posted on Jan 02, 2017
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