2002 Chevrolet Trailblazer Q&A
2002 Chevrolet Trailblazer Question: Check engine light came on and the service code came up as U1000. Any ideas?
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. - ChevyASE