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Electrical systemPart report

2006 Cadillac STS Electrical system Problems

Complaints
21about this part
Share
15%of 139 total for the year
Median mileage
83,748miles
Trend
FallingComplaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.

NHTSA recorded 21 complaints about the electrical system of the 2006 Cadillac STS, 15% of the 139 complaints for this model year. Where a mileage was given, the median is 83,748 miles. 1 of these say a crash was involved and 3 a fire, according to the filers.

Example complaints

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

“My car has been diagnosed as having 'extended crank'. My local chevy dealer made approximately fifteen attempts at fixing it to no avail. I'm told it's the check valve, but I have not had that done because all attempts by the dealer didn't work; e.g., new computer (and removed), battery (and removed), fuel pump, etc. Very frustrating and I feel it's a matter of health and safety because the car almost never starts on the first attempt, and sounds like it's a dead battery.”

NHTSA complaint #11318139, filed 2020-03, 100,000 miles

“Traveling 81 north in northeast pennsylvania, rounding turn car stalled. I lost complete control of the vehicle which caused me to slam into a guard rail and the car went down an embankment and into a boulder. Air bags never deployed. Passenger and I were severely injured and had to be pulled out of the vehicle. Although we were both buckled in, the seatbelts flew off upon impact. This car should be recalled, it is very dangerous and should not be on the road (its a death trap).”

NHTSA complaint #10672828, filed 2015-01, 69,000 miles

“Air bag light constantly stays on, along with the check engine light. Seat belt chime constantly rings with the seat belt connected. Gas low notification light does not come on until on empty. No heated seats. I think the ECM needs to be reset.sun roof goes up but not slides open. Passenger side door won't open.automatic car starter doesn't work. 2 years ago, my son in law, started this car in below zero temp and it started on fire. He put it out and restarted it and it was ok. Something makes noise occasionally for no apparent reason.”

NHTSA complaint #10749790, filed 2015-08, 63,000 miles

“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 are no codes in the car. While driving the car it shuts down and you lose everthing lights, turn singles, hazards,the dash goes totaly out and the engine stops the best you can do it to pull it over to the side of the road and hope you don't get hit. I have had this happen it town driving and on the highway so it has nothing to do with speed. I have loaned my car to other people and it has happened to them so it is not the driver. …”

NHTSA complaint #10763012, filed 2015-09, 133,000 miles

“At approximately 72,000 miles my Cadillac's passenger seat light began to act up and would go on and off when someone would sit in the front passenger seat. I am single and rarely ever have a passenger in the front seat. Approximately two times per month someone rides in this seat. The last time someone sat in the front passenger seat, I traveled 10 miles round trip on 1/19/2012, the service air bag and air bag red light indicator came on the dash and since then will not go off. I take extraordinary care of my vehicle. …”

NHTSA complaint #10447224, filed 2012-02, 72,000 miles

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 2006 Cadillac STS

Air bags
57 complaints
Engine
20 complaints
Fuel system
20 complaints
Transmission and drivetrain
13 complaints
Electronic stability control
8 complaints
Engine cooling
8 complaints
Other or unknown
7 complaints
Seats
6 complaints
Vehicle speed control
6 complaints
Brakes
5 complaints
Steering
5 complaints
Seat belts
4 complaints

← All problems reported for the 2006 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