Check the listing for details. INNOVA Coil And Control Module Tester 4400. Condition: Used. Listed at 1200.00 USD. The INNOVA Coil And Control Module Tester 4400 is a diagnostic service tool designed by the brand Innova. This device is specifically made to test ignition coils and control modules in automotive vehicles. With the manufacturer part number 4400, this tester is a reliable tool for troubleshooting and maintenance tasks in the automotive industry. It provides accurate readings and analysis to help mechanics and car enthusiasts ensure optimal engine performance.