Service Update
Chevrolet technical service bulletin N202326120 for 2021 Chevrolet Tahoe, 2021 Chevrolet Suburban and 2021 GMC Yukon XL and others.
- Bulletin number
- N202326120
- Component
- Electrical system
- Summary
- Service Update. Certain vehicles may have incorrect calibration values in the Vehicle Leveling Module (VLM) software for air ride adaptive suspension. The incorrect calibration will use the incorrect loaded ride height which is 0.6 inches lower that the normal ride height. Dealers are to reprogram the VLM module.
Owners of these vehicles have filed 107 complaints in the electrical category.
Vehicles covered
- Chevrolet Tahoe 2021 2021
- Chevrolet Suburban 2021 2021
- GMC Yukon XL 2021 2021
- Cadillac Escalade ESV 2021 2021
- Cadillac Escalade Na 2021 2021
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