What is a PCM? on 2006 Kia Sedona

The kia dealership said our problem may be the PCM. What is a PCM?

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3 answers 1 comment
program control module. it is the brain of all fuel control functions.

Roy
Thank You!
It is the vehicle computer that controls everything from emissions - fuel delivery - transmission shifting.
PCM = Powertrain Control Module

Zee