Astra h 1.7CDTI AC Wont turn on

Hello everyone,

Astra H 1.7 cdti with ac problem, pressure is there but when switching the ac button , ac compressor wont start.

The only fault that is there is B3925-00 Incorrect HVAC Control module Enviroment identifer recieved - Malfunction.

Any help would be appreciated.

Check and correct variant configuration on ECM UEC CIM and ECC

Check and correct variant configuration on ECM UEC CIM and ECC

Thank you for your reply,

Whats the way to do it? Op-com?