This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
full bulletin at NHTSA ↗2009 Cadillac CTS brakes problems
moderate 6 complaints filed with NHTSA · avg repair $450 · see brakes across all vehicles →
When does it fail?
Of the 6 brakes complaints filed for the 2009 Cadillac CTS, here's the actual mileage breakdown — failures cluster heaviest at 125,000-150,000 mi.
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
Of the 6 model years of Cadillac CTS we track for brakes problems, this one has the fewest owner complaints on file (6).
No new NHTSA brakes complaint has been filed on this vehicle in over 12 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering brakes on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.
full bulletin at NHTSA ↗This service bulletin provides information for tire pressure monitoring (TPM) system concerns.
full bulletin at NHTSA ↗This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
full bulletin at NHTSA ↗This informational bulletin provides information on a hard brake pedal caused by low engine vacuum during warm up.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 1 most recent
Tl* the contact owns a 2003 Cadillac cts. The contact stated that while driving 30 MPH, the brakes failed when engaged. The contact added brake fluid and took the vehicle to an independent mechanic for inspection. The contact was informed that there was a leak in the front brake hose assembly. The vehicle was not repaired. The manufacturer was notified of the incident and informed the contact…
Common questions
How serious is the brakes problem on the 2009 Cadillac CTS?
It's a documented issue but not catastrophic. 6 complaints have been filed. Repairs average $450 and most owners catch it before it causes a breakdown.
At what mileage does the brakes typically fail?
Based on the 6 complaints filed, brakes issues most often appear around 73,667 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $450 for brakes repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to brakes?
No active recalls currently cover brakes issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.