DIAGENG auto key programmer DE650 key locksmith tool UNPARALLELED IMMOBILIZER/KEY PROGRAMMING DIAGENG DE650 Auto Key Programmer Program keys in immobilizer units on most vehicles. Packed with features including VIN programming, ECU programming, and the ability to read keys from immobilizer memory. This programmer can do it all. Get the edge over the Dealer and eliminate the need to use OE systems to complete the job.