They do not directly impact the code itself (i.e.
#Ncs expert tool says coding is faulty how to
These strings tell the coding software how to code your car. These are stored in 2 separate modules on the car. The VO and ZCS are basically a list of options and official retrofits your car has.The GM, SA, and VN together are collectively known as a ZCS. If your car was built earlier, you’ll see 3 different entries (GM, SA, VN) with hexadecimal strings afterwards.
You will sometimes see the “FA” referred to as a “VO” or “Vehicle Order” – these are interchangeable terms.
This is a basic guide on how to use NCS Expert.