Chevrolet Cavalier 2004–2005 — technical service bulletin
Bulletin 3056 · NHTSA communication 10009602 · issued Jan 1, 2004
Technical service bulletin
communication type
Electrical System
component
2004–2005
model years
4
vehicle entries
Official summary
Sir light on and a diagnostic trouble code b0036. *tt
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.