Buick Encore GX 2019–2021 — technical service bulletin
Bulletin 20NA218 · NHTSA communication 10198862 · issued May 7, 2021
Technical service bulletin
communication type
Engine and Engine Cooling
component
2019–2021
model years
32
vehicle entries
Official summary
This service bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6.
Vehicles covered
- 2020 Buick Encore GX
- 2021 Buick Encore GX
- 2019 Buick Regal
- 2020 Buick Regal
- 2020 Cadillac CT5
- 2021 Cadillac Escalade Esv
- 2021 Cadillac Escalade NA
- 2021 Chevrolet Camaro
- 2020 Chevrolet Corvette
- 2020 Chevrolet Equinox
- 2021 Chevrolet Equinox
- 2019 Chevrolet Malibu
- 2020 Chevrolet Malibu
- 2021 Chevrolet Malibu
- 2019 Chevrolet Silverado 1500
- 2020 Chevrolet Silverado 1500
- 2021 Chevrolet Silverado 1500
- 2020 Chevrolet Silverado 2500
- 2021 Chevrolet Silverado 2500
- 2021 Chevrolet Suburban
- 2021 Chevrolet Tahoe
- 2021 Chevrolet Trailblazer
- 2021 GMC Acadia
- 2019 GMC Sierra 1500
- 2020 GMC Sierra 1500
- 2021 GMC Sierra 1500
- 2020 GMC Sierra 2500
- 2021 GMC Sierra 2500
- 2020 GMC Terrain
- 2021 GMC Terrain
- 2021 GMC Yukon
- 2021 GMC Yukon XL
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.