Chevrolet Cavalier 2003–2004 — technical service bulletin
Bulletin 040525007 · NHTSA communication 10008469 · issued Jun 1, 2004
Technical service bulletin
communication type
Service Brakes, Hydraulic
component
2003–2004
model years
4
vehicle entries
Official summary
Anti-lock brake system (abs) warning light on, traction off warning light on, diagnostic trouble codes (dtcs) c1223 and c1225 set. *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.