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Check engine light came on and the service code came up as U1000. Any ideas?

(2002 Chevrolet Trailblazer)
in New Haven, IN on June 16, 2013
No state of health U1000
Displaying 1 answers & 0 comments
Popular Answer
on June 20, 2013
How many modules have the U1000 code set in them, and what module does it say isn't reporting? Please list evrything you can and I can try to get you an answer today or tomorrow.
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