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ProblemsByVin File / 2006-CADILLAC-STS NHTSA data synced 4 days ago
2006 · Cadillac

Cadillac STS problems

141 owner complaints and 1 active recall campaign on file. Here's the breakdown — what's serious, what's noise, what a working mechanic would actually do about it.

0 5 10
Reliability score
7.4 / 10

Solid reliability overall. Common issues are concentrated in a few systems.

0
Critical
1
Severe
0
Moderate
Should you avoid this 2006 STS?
Acceptable — with caveats

Worth owning if you verify the specific issues below before you buy.

Our read of the federal NHTSA complaint and recall record for this exact year and model — not a substitute for a pre-purchase inspection. How we score.

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Top trouble spots 8 categories with 3+ complaints

airbags
52 reports · fails ~76,912 mi · avg $1,100
severe
electrical
19 reports · fails ~77,700 mi · avg $850
severe
engine
18 reports · fails ~76,881 mi · avg $3,100
severe
powertrain
10 reports · fails ~76,371 mi · avg $2,500
moderate
steering
5 reports · fails ~96,625 mi · avg $700
severe
brakes
4 reports · fails ~48,922 mi · avg $450
moderate
cruise control
4 reports · fails ~36,097 mi · avg $600
severe
suspension
3 reports · fails ~35,000 mi · avg $900
moderate
Buyer's checklist
Going to look at one? Use the pre-purchase inspection list.
Generated from this 2006 STS's actual NHTSA complaint history — every item points at a documented failure pattern on this exact vehicle, not generic walkaround filler.
See the checklist ->
Honest Calculator
Should you buy an extended warranty on this 2006 STS?
We pulled the math: risk-weighted exposure, typical contract cost, and our verdict on whether coverage pencils out for this specific vehicle.
See the calculator ->

What owners are saying recent NHTSA-filed complaints · verbatim

2006 STS · airbags
2006 Cadillac sts. Air bag light illuminated. *ta the consumer stated on may 7, 2007, she had to return the vehicle to the dealer, because the air bag light illuminated. Nine months later, the air bag light illuminated again. The dealer kept the vehicle for two days. They…
2006 STS · brakes
Sudden failure h2505 electronic brake and traction control module 2006 Cadillac sts alll wheel drive 50799 miles repaired at dealer. *tr
12/22/2010 · at 50,799 mi · NHTSA ODI #10372151.0 · see brakes pattern →
2006 STS · airbags
While starting my car, a light came on my car indicating "service air bag". I took my car to the dealership and they indicated that the passenger seat module for the air bag needed replacement in order to correct the service air bag issue. The total cost of repair including…
12/20/2015 · at 160,000 mi · NHTSA ODI #10811342.0 · see airbags pattern →
2006 STS · steering
The contact owns a 2006 Cadillac STS. The contact stated that while reversing out of the driveway at approximately 2 MPH, the driver's side tie rod fractured into two pieces. The contact stated no warning light was illuminated. The vehicle was taken to an independent mechanic…
12/19/2023 · at 120,000 mi · NHTSA ODI #11560931.0 · see steering pattern →
View all 141 owner complaints →
Had a problem with your 2006 Cadillac STS? File a complaint with NHTSA → It's free and official — owner filings are what build the federal safety record behind this page.

Estimate your repair exposure

Drag to your current mileage. Numbers are derived from this vehicle's complaint history.

0 mi 200k mi
At 80,000 miles
Likely repair cost in next 24 months
$0

Active recalls showing 1 of 1

severe NHTSA 06V007000 January 13, 2006

On certain passenger vehicles equipped with all wheel drive and a 3

Without these functions enabled, a persistent ECM failure could result in a throttle opening greater than commanded by the driver and a crash could occur.

Fix: Dealers will reprogram the ECM on these vehicles free of charge. The recall began on january 24, 2006. Owners may contact Cadillac at 1-866-982-2339.

Common questions

Is the 2006 Cadillac STS reliable?

Mostly yes. With a reliability score of 7.4 out of 10 based on 141 owner complaints filed with NHTSA, the 2006 Cadillac STS is generally a sound vehicle. The areas to watch are listed in the top problem section above — most are budget items, not deal-breakers.

Should you avoid the 2006 Cadillac STS?

The 2006 Cadillac STS is acceptable, with specific caveats. Worth owning if you verify the specific issues below before you buy. The record behind that call: Reliability score 7.4/10 — around the segment average; 1 recall campaign on file. This is our read of the federal complaint and recall data — not a substitute for a pre-purchase inspection.

What's the most common problem on the 2006 Cadillac STS?

Based on NHTSA records, the most-reported issue is airbags, with 52 complaints filed. Typical failure occurs around 76,912 miles. Average repair cost runs about $1,100 at an independent shop.

What's the most expensive thing that goes wrong?

The airbags is one of the costlier repair items. Average repair cost runs about $1,100 at an independent shop. Typical failure occurs around 76,912 miles. Catching early warning signs can sometimes extend life by 20–30,000 miles.

How do I check if my Cadillac STS has open recalls?

Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.

Is an extended warranty worth it on a 2006 Cadillac STS?

Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 141 complaints on file and the costliest repair averaging $1,100, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans are not always better value.

Related

Recall and complaint data sourced from the National Highway Traffic Safety Administration (NHTSA) public records database, last synced 4 days ago. Verify the raw federal record at nhtsa.gov/vehicle/2006/Cadillac/STS. Editorial commentary written by ProblemsByVin contributors and reviewed by ASE-certified mechanics. We are not affiliated with Cadillac. Some links on this page are affiliate links and we may earn a commission if you complete a quote or purchase.
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