Chevrolet Silverado 2500 2019–2020 — technical service bulletin
Bulletin 21NA025 · NHTSA communication 10199256 · issued May 27, 2021
Technical service bulletin
communication type
Fuel System, Gasoline
component
2019–2020
model years
8
vehicle entries
Official summary
This technical bulletin provides a procedure to replace the Fuel Power Module if found the cause of the customers concern.
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.