Astra H coding

Andyfromtheuk

New member
Hi I'm trying to code cruise control using diagzone. Im able to change variant conding in engine but in the CIM it says it's successful but doesn't change. Has anyone got any ideas how I can get it to work?
 
I have the same issue on a different vehicle astra g. Variant coding says it's successful but nothing changes. This time in the engine control unit.
 
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