Service Update Bulletin
Chevrolet technical service bulletin N192278640 for 2020 Chevrolet Silverado 2500 and 2020 GMC Sierra 2500.
- Bulletin number
- N192278640
- Component
- Electrical system
- Summary
- Service Update Bulletin - Certain 2020 model year Chevrolet Silverado and GMC Sierra vehicles equipped with a 2.7L Engine (RPO ENL), Engine Control Disable Start/Stop (RPO L3B), and a 3.5? Driver?s Information Center Display (RPO UDC), may have a condition where the start/stop disabling function does not work. Dealers will reprogram the engine control module (ECM) with an updated calibration.
Owners of these vehicles have filed 31 complaints in the electrical category.
Vehicles covered
- Chevrolet Silverado 2500 2020 2020
- GMC Sierra 2500 2020 2020
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