4wd not working

2021 CHEVROLET BLAZER
243,000 MILES • 3.6L • V6 • 4WD • AUTOMATIC
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RODD BEIDA
  • MEMBER
  • 1 POST
4wd lights on dash are all on
Aug 31, 2025 at 1:20 AM
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.
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STRAILER
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 54,176 POSTS
Okay, we need to run the codes to see what is going on and what part of the 4wd system is having an issue. Please go over this video to show you how.

https://youtu.be/u-4syLc-ifQ

You can use a regular scanner as well, o go y an auto parts store and they will run the codes for you. Please go over this guide and get back to us so we can help you fix it.
Aug 31, 2025 at 10:26 AM
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