There are 3 stored owner reports matching the powertrain & transmission leading-label group for the 2009 Volvo S40 in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 3 of 3 matching reports.
Open the full vehicle complaint log (all categories)REPLACEMENT OF CV JOINTS- OCTOBER 2018 MY VEHICLE WAS DIAGNOSED WITH LEAKAGE FROM THE CV JOINTS WHICH SPLATTERED ALL UNDERNEATH MY VEHICLE. MY VEHICLE ONLY HAD 69,000 MILES. THE TECHNICIAN STATED THAT THEY SHOULD NOT HAVE BEEN A PROBLEMS WITH SO FEW MILES. HE STATED THAT MY VEHICLE'S STEERING WOULD HAVE BEEN COMPROMISED IF THEY HAD FAILED AND CAUSE DAMAGE TO MY ENGINE. I TRAVEL 1 HOUR ONE DAILY TO WORK. IT COULD HAVE CAUSED A POTENTIAL ACCIDENT IF IT HADN'T BEEN DIAGNOSED IN TIME. IT HAS BEEN SINCE THEN REPAIRED.
IMPROPER DRAINING ROUTE WHICH IN RESULT CAUSES MOLD AND DAMAGE TO FLOOR MATS AND SEAT CUSHIONS IN RAINY WEATHER. TRANSMISSION FLUID HAS HIGHER ACIDITY LEVELS. COOLANT REGULARLY FALLS BELOW MINIMUM LEVEL REQUIRED.
TL* THE CONTACT OWNS A 2009 VOLVO S40. WHILE DRIVING APPROXIMATELY 25 MPH, THE ACCELERATOR PEDAL WAS DEPRESSED, BUT THE VEHICLE FAILED TO ACCELERATE. THE VEHICLE INDEPENDENTLY DECELERATED AND STALLED. THE VEHICLE WAS TOWED TO A DEALER WHERE IT WAS DIAGNOSED THAT THE TRANSMISSION FUEL LINE WAS FRACTURED. THE TRANSMISSION FUEL LINE AND THE TRANSMISSION FLUID WERE REPLACED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 65,000.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.