This technical bulletin provides a procedure to update the EOCM if found the
Chevrolet technical service bulletin 21NA173 for 2021 Chevrolet Tahoe, 2021 Chevrolet Suburban and 2021 GMC Yukon and others.
- Bulletin number
- 21NA173
- Component
- Electrical system
- Summary
- This technical bulletin provides a procedure to update the EOCM if found the cause of the customers concern.
Owners of these vehicles have filed 138 complaints in the electrical category.
Vehicles covered
- Chevrolet Tahoe 2021 2021
- Chevrolet Suburban 2021 2021
- GMC Yukon 2021 2021
- GMC Yukon XL 2021 2021
- Cadillac Escalade ESV 2021 2021
- Cadillac Escalade Na 2021 2021
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