There are 2 stored owner reports matching the electrical system leading-label group for the 2009 Mazda CX-7 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 2 of 2 matching reports.
Open the full vehicle complaint log (all categories)TL* THE CONTACT OWNS A 2009 MAZDA CX-7. THE CONTACT STATED THAT THE FRONT DRIVER SIDE WINDOW AND BOTH REAR WINDOWS FAILED TO OPERATE AS INTENDED GOING UP AND DOWN. THE TIRE PRESSURE MONITOR LIGHT ILLUMINATED AND REMAINED DESPITE HAVING THE TIRES CHECKED FOR PROPER TIRE PRESSURE AND FOLLOWING THE INSTRUCTIONS PROVIDED TO RESET THE TIRE PRESSURE LIGHT. ADDITIONALLY, THE CHECK ENGINE WARNING LIGHT WAS ILLUMINATED. THE CHECK ENGINE WARNING LIGHT WAS RESET BY AN INDEPENDENT MECHANIC. THE CONTACT STATED THAT WHILE DRIVING AT 55 MPH THE VEHICLE DECELERATED TO 20 MPH AND STALLED. THE VEHICLE WAS TAKEN TO THE INDEPENDENT MECHANIC AND WAS INFORMED THAT THE MASS AIRFLOW SENSOR AND OXYGEN SENSOR NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURES. THE APPROXIMATE FAILURE MILEAGE WAS 98,800.
MY COMPLAINT; IN 3/18/2010 AT 2:00PM WHILE I WAS DRIVING THE RADIO DISPLAY BLANKED OUT AND THE RADIO STOPPED WORKING ALL TOGETHER. TRACTION CONTROL SYSTEM (TCS) WAS BLINKING AND THE ELECTRONIC STABILITY CONTROL STAYED ON. GAUGE NEEDLES WERE BOUNCING. I STOPPED THE VEHICLE AND TURNED IT ON AND OFF THREE TIMES THEN EVERYTHING CAME BACK ON. THEN LATER IN THE DAY 3/18/2010 AT 7:00 PM THE RADIO DISPLAY AND THE RADIO STOPPED WORKING ALL TOGETHER. THIS TIME I JUST KEPT PRESSING THE ON AND OFF BUTTON A COUPLE TIMES THIS DID NOT WORK BUT THEN THE RADIO JUST CAME ON BY ITSELF WHILE I WAS DRIVING. I TOOK THE CAR TO THE DEALER ON 3/19/2010 THE RESULTS AS THE DEALER NOTICE SAYS: UNABLE TO DUPLICATE. COULD NOT FIND ANY POOR CONNECTIONS TO HAVE CAUSED THE PROBLEM. DURING TEST DRIVE. NORMAL OPERATION OBSERVED. PULLED CODES, TWO WERE FOUND FOR HIGH VOLTAGE. NO FREEZE DATA AVAILABLE. CALLED TECH-LINE AND NO KNOWN ISSUES FOR THESE SYMPTOMS OR CODES. SUGGEST INSPECTION OF PCM/BCM/FUSE BLOCK CONNECTIONS AND ALTERNATOR. INSPECT ALTERNATOR, NORMAL OUTPUT, AT 14V. ALL CONNECTIONS GOOD. NO CORROSION FOUND. NO LEAKS FOUND IN THE DRIVER KICK PANEL , OR LOOSE CONNECTIONS. NORMAL OPERATION AND CONDITION AT THIS TIME. *TR
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.