To request a STaSIS ECU bench flash, fill out and submit this form, then follow the instructions displayed on your screen. Remember that ECU bench flash service takes approximately 4 to 5 business days after STaSIS receives an ECU. Your vehicle will be inoperable during this period, so please plan accordingly. Saturday delivery is available for an additional $25 fee (U.S. only). *** DISCONNECT BATTERY DURING ECU REMOVAL AND INSTALLATION ***