2003 Cadillac CTS Electrical System Problems
NHTSA component category: ELECTRICAL SYSTEM · data through 07/14/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How electrical system ranks on this vehicle
Share of the 313 complaints citing each category; one complaint can cite several. Full breakdown on the 2003 Cadillac CTS overview page.
What owners report
“THE CONTACT OWNS A 2003 CADILLAC CTS. THE CONTACT STATED THAT THE VEHICLE DISPLAYED MULTIPLE FAILURES OVER THE LAST COUPLE OF MONTHS. THE VEHICLE WOULD…”NHTSA complaint 10264052 — filed 04/03/2009
“PURCHASED THE CAR USED IN JANUARY 2005. ELECTRICAL PROBLEMS, CAR SHUT DOWN AT WILL GOING 5 MILES PER HOUR OR 65 MILES PER HOUR. STABILIZING…”NHTSA complaint 10197676 — filed 07/27/2007
“THE CONTACT OWNS A 2003 CADILLAC CTS (THE CONTACT WAS NOT SURE IF MODEL WAS CORRECT). WHILE DRIVING 25 MPH, THE VEHICLE STALLED. HE PULLED…”NHTSA complaint 10197323 — filed 07/24/2007
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Electrical System complaints by year filed
Frequently asked questions
Does the 2003 Cadillac CTS have electrical system problems?
Electrical System is the most-reported problem area on the 2003 Cadillac CTS: 48 of 313 complaints on file (15.3%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2003 Cadillac CTS have in total?
313 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 29 involved a crash, 12 involved a fire, 21 reported injuries, and none reported deaths.
What does NHTSA's electrical system category include?
NHTSA assigns each complaint to standard component categories; this page reports the ELECTRICAL SYSTEM category exactly as NHTSA defines and records it.
