Skip to content
Electrical systemPart report

2009 Cadillac STS Electrical system Problems

Complaints
1about this part
Share
7%of 15 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the electrical system of the 2009 Cadillac STS, 7% of the 15 complaints for this model year.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“When driving in rain the smallest amount of water will cause the reduced engine power to engage and it does not go off until the vehicle has sat for a long amount of time. Extremely dangerous. First the ABS light comes on and then you lose power. 3rd row LED taillight out... 400 to fix. Purchased in march of 2018 with 93k miles. Currently at 104k.”

NHTSA complaint #11291164, filed 2019-12

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
2011343%
200917%
2008816%
20071121%
20062115%
20052323%
2004114%
2003338%
2002114%
200118%
2000325%
1999646%

Other parts of the 2009 Cadillac STS

Air bags
5 complaints
Electronic stability control
4 complaints
Brakes
3 complaints
Steering
3 complaints
Engine
2 complaints
Equipment
1 complaints
Exterior lighting
1 complaints
Other or unknown
1 complaints
Transmission and drivetrain
1 complaints
Vehicle speed control
1 complaints
Wheels
1 complaints

← All problems reported for the 2009 Cadillac STS

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology