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Chevrolet TSB #N202326120
2021 Chevrolet Tahoe
TSB Document:
Affected 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.
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