Locating your ECU Box Code with VCDS
Posted by APR on Oct 21, 2021
Every Engine Control Unit (ECU) has what's known as a Box Code and Revision. This number indicates which factory version of software is on your ECU. With this information, we can check compatibility of available features and files for your exact ECU. To find this information, you can use a VAG-Com/VCDS OBD-II cable. Start by plugging in the cable, then turn the key to the on po
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