2006 Cadillac STS 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 139 complaints citing each category; one complaint can cite several. Full breakdown on the 2006 Cadillac STS overview page.
What owners report
“THE CONTACT OWNS A 2006 CADILLAC STS. WHEN THE CONTACT STARTED THE VEHICLE, THE SERVICE AIR BAG INDICATOR ILLUMINATED INTERMITTENTLY. THE VEHICLE WAS TAKEN TO…”NHTSA complaint 10909386 — filed 09/23/2016
“THE CONTACT OWNS A 2006 CADILLAC STS. THE CONTACT STATED THAT THE VEHICLE EXPERIENCED AN ABNORMAL NOISE FROM THE ENGINE COMPARTMENT. THE VEHICLE WAS TAKEN…”NHTSA complaint 10865431 — filed 05/17/2016
“THIS PROBLEM STARTED OVER A YEAR AGO AND I HAVE HAD IT TO THE DEALER TWICE AND THEY CAN NO FIND THE PROBLEM BECAUSE THERE…”NHTSA complaint 10763012 — filed 09/10/2015
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Electrical System complaints by year filed
Frequently asked questions
Does the 2006 Cadillac STS have electrical system problems?
Electrical System is the #2 most-reported problem area on the 2006 Cadillac STS: 20 of 139 complaints on file (14.4%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2006 Cadillac STS have in total?
139 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 16 involved a crash, 6 involved a fire, 20 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.
