The technicians at Certified Transmission understand our customers' time is valuable so we do everything we can to get you back on the roads of Overland Park as soon as possible. When you bring your vehicle to Certified Transmission in Overland Park for a transmission check we use the latest technology to perform an external diagnostic service. A diagnostic service at Certified Transmission includes checking the condition and level of your vehicle's transmission fluid, taking your vehicle for a road test, and external transmission control diagnosis. This service usually is completed in about 90 minutes. Ready to schedule an appointment at Certified Transmission? Complete and submit our online appointment form and one of our transmission technicians will contact you right away!