Chevrolet Silverado 2017–2018 — technical service bulletin
Bulletin 18NA012 · NHTSA communication 10139250 · issued Jan 16, 2018
Technical service bulletin
communication type
Electrical System
component
2017–2018
model years
8
vehicle entries
Official summary
This technical bulletin provides a procedure to replace the trans control solenoid assembly if found the cause of the vehicle unable to crank the engine over.
Vehicles covered
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.