Cadillac Deville 2003 — technical service bulletin
Bulletin 030604013 · NHTSA communication 10001143 · issued Feb 1, 2003
Technical service bulletin
communication type
Engine and Engine Cooling
component
2003
model years
1
vehicle entries
Official summary
Service engine soon/check engine light and/or anti-lock brake system (abs) warning light illuminated, erratic speedometer and/or erratic shifting, multiple diagnostic trouble codes 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.