Cadillac Escalade 2003 — technical service bulletin
Bulletin 030604032 · NHTSA communication 10002859 · issued Jun 1, 2003
Technical service bulletin
communication type
Engine and Engine Cooling
component
2003
model years
7
vehicle entries
Official summary
Check engine light on with no drivability concerns, diagnostic trouble code p0120, p0220, p1516, or p1518 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.