My blazer runs fine but when a diagnostic computer is connected for inspection it says no communication. All fuses are good. What could be the problem?

Asked by Dec 06, 2014 at 10:04 PM about the 1996 Chevrolet Blazer 4-Door 4WD

Question type: Maintenance & Repair

1 Answer

12,540

I think the diagnostic port itself may be the problem. Check for a fuse to this

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