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Author Topic: OBD2 wont connect to ECU  (Read 1198 times)

Offline Corrado999

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OBD2 wont connect to ECU
« on: January 09, 2020, 04:56:48 pm »
Hi all
Hope someone can advise me.
I have a GTI mk5 2005, and would like to connect to OBD2 and check codes etc.
Have come from BMW where I have used various scanners and plugins with  no issues. Coming back to VAG I've connected my Elm327 scanner (2 different types) and neither will access the golfs ECU. The Apps are connecting to the scanners.
I have read about K-lines and have a aftermarket radio which I disconnected completely but still no connection.  All fuses look ok for OBD2 port, i have a red light on both scanners which is power up in think so at a loss to know what's wrong.  Any advice appreciated thanks