code dtc 1680

2004 CHEVROLET TRAILBLAZER
121,056 MILES • 6 CYL • 2WD • AUTOMATIC
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JEROME K.
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  • 1 POST
how do i reprogram the ecm
Feb 14, 2011 at 2:57 AM
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PROTECH1980
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  • 901 POSTS
you will have to take it to a shop that has a factory scan tool with the latest update software to download into your ecm.
Feb 14, 2011 at 3:43 AM
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PROTECH1980
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  • 901 POSTS
Hope this helped with your question
Feb 15, 2011 at 4:58 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.