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Power to obd2 port but not connecting

Old Aug 30, 2018 | 5:46 PM
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Mr. Frederick's Avatar
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Default Power to obd2 port but not connecting

I have a 2004 Chevy trailblazer. I have power to my obd2 port, but it is not connecting to the ecm. I've checked all fuses and they are all good. Any suggestions???
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Old Aug 30, 2018 | 7:41 PM
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kevinkpk's Avatar
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From: kevinkpk
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Try a different communication sensor
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