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Have a new 2013 Wrangler Unlimited Rubicon, 1 year old, 5000 miles.
At one month old, "gas cap" message and check engine light came on.
OBDII reader showed codes 456 & 457. Reset codes but they returned.
Took to dealer and dealer replaced cap. Drove it for 2 months and codes returned.
Back to dealer; smoke tested and said they found a service bulletin the update the PCM,
which they did. After 3 months, codes are back.
This will be my 3rd trip to dealer. Any advice for them?

Thanks,

Bill
Simi Valley, CA

Vehicle: 2013, Jeep, Wrangler, 3.6V6

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