• Improvements to driver display information for Diesel Exhaust Fluid (DEF) range including drivable range...
Chevrolet technical service bulletin 661.41 for 2024 Chevrolet Silverado 1500 and 2024 GMC Sierra 1500.
- Bulletin number
- 661.41 (661.41)
- Component
- Unknown or other
- Summary
- • Improvements to driver display information for Diesel Exhaust Fluid (DEF) range including drivable range in miles, low DEF warnings, and maximum speed warnings. • Improvements to start reliability and reduced check engine light activation. • Improvements to turbo system diagnostics. • Improvements to reliability when extending the running boards on your vehicle.
Vehicles covered
- Chevrolet Silverado 1500 2024 2024
- GMC Sierra 1500 2024 2024
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