I'm hoping that i just bought another unit that was bad…..(bought is used off ebay) is there any way to test the VGSG module to find out ? testing resistance? voltage from pins? i have INPA which is what I'm using to check the codes. i clear them but they come back directly, when i try to read the VGSG module directly it says "NO RESPONSE FROM CONTROL UNIT" car drives fine!
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