Service Update
GMC technical service bulletin N202318850 for 2020 GMC Sierra Denali and 2020 Chevrolet Silverado 4500.
- Bulletin number
- N202318850
- Component
- Back over prevention
- Summary
- Service Update. certain vehicles may have a damaged NOx sensor connector. Dealers are to replace the nitrogen oxides sensor ? position 2.
Owners of these vehicles have filed 2 complaints in the driver assistance category.
Vehicles covered
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