Check a VIN

August 19, 2026 Over-the-air update

• Improvements to accuracy for Diesel Exhaust Fluid level shown in driver display

Chevrolet technical service bulletin 662.30 for 2025 Chevrolet Silverado 2500 and 2025 GMC Sierra 2500.

Bulletin number
662.30 (662.30)
Component
Unknown or other
Summary
• Improvements to accuracy for Diesel Exhaust Fluid level shown in driver display

Vehicles covered

VIN decoder

See the problems and recalls for an exact car

Buying a used Chevrolet Silverado 2500?

Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.

Check its history