2003 Cadillac CTS engine problems
The 2003 Cadillac CTS has 71 engine complaints filed with NHTSA — 16% of the year's total, and the first year with meaningful reports in this category.
71
Engine complaints
16%
Share of year
1
Crash-involved
0
Related recalls
Engine complaints by year
What owners report
“TL* THE CONTACT OWNS A 2003 CADILLAC CTS. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 30 MPH, THE ENGINE COMPARTMENT EMITTED SMOKE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC FOR DIAGNOSTIC TESTING. THE MECHANIC STATED THAT THE VALVE COVER GASKET WOULD HAVE TO BE REPLACED. THE VEHICLE…”
Common questions
How many engine complaints does the 2003 Cadillac CTS have?
NHTSA has 71 complaints about the 2003 Cadillac CTS engine — 16% of all complaints filed for that model year.
Related
Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.
Compiled by Sharon Ben-Moshe, Founder.