I am a dealer and have questions while tuning a car with the Link ECU, who do I contact? Daniel Clapson January 22, 2021 01:52 Updated Please contact tech support via LiveChat, phone, email or Facebook messenger. Related articles My engine won't start Do I need a wideband or O2 sensor? CAN Setup Can you fix my ECU? I need an unlock code. Comments 0 comments Article is closed for comments.