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Thanks for posting
The cruise control shut off because the check engine light turned on, the same for the trac control, these are disabled as long as the check engine light is on. It should be diagnosed for the check engine light first, in order for me to help I need some diagnostic code information which are code numbers stored in the computer. Most autoparts stores like Autozone, Advance Auto etc can help you with that and they do this at no charge in all states excpt CA. Please provide this information when possible and reply to me here, thank you.