Q: Check engine codes on 2005 Chrysler Pacifica

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What does codes po586 and po582 mean? Whats the problem?
(1) Answer
you have a failure in your speed control system. the code never identifies a bad part just a failed system. you need a shop to track down the failure and give you a bid.
do a visual check that all vacuum lines and connectors are on your cruise control.
most of the checks on this code center around the brake light switch and the vent solenoid