Chevrolet Cobalt 2009–2010 — technical service bulletin
Bulletin SB-10-06-04-001C · NHTSA communication 10037912 · issued Dec 1, 2010
Technical service bulletin
communication type
Fuel System, Other
component
2009–2010
model years
12
vehicle entries
Official summary
Gm: the check engine light is on. There is condensation on the fuel tank pressure sensor causing an improper reading. *rm
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.