No. I recently had my key break off in the ignition in a 2004 Kia Sedona. I had a locksmith remove it and make replacement keys that he was afraid might be coded because of the large size but after making 2 new spares, we discovered they were not coded which would have caused the engine to shut down after a few seconds. I can;t speak for all model years but in 2004 they were not coded.
I Have A 2004 Kia Sedona The Key Code Is Y7401
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The 2010 Kia Sedona has a V6 engine.
The 2011 Kia Sedona has 24 valves.
The 2006 Kia Sedona has a V6 engine.
The 2012 Kia Sedona has a V6 engine.
The 2003 Kia Sedona has 24 valves.
The 2008 Kia Sedona has a V6 engine.
The 2005 Kia Sedona has 24 valves.
The 2008 Kia Sedona has 24 valves.
The 2010 Kia Sedona has 24 valves.