2012 Mazda Mazda6 electrical system problems

What owners report

• “I OWN A 2012 MAZDA 6, VIN#[XXX], THAT I BOUGHT IN 2012. FOR THE PAST COUPLE OF YEARS I'VE BEEN DEALING WITH ELECTRICAL ISSUES WITH THIS CAR. FOR A FEW YEARS I WAS JUST DEALING WITH THE HEADLIGHTS CONTINUOUSLY GOING OUT EVERY 3 OR 4 MONTHS. AT FIRST I WAS THINKING THE LIGHT WAS DEFECTIVE, BUT AFTER SOME RESEARCH I LEARNED THAT THIS IS A MORE THAN A COMMON OCCURRENCE WITH THESE CARS. THIS IS THE MAIN COMPLAINT. IT HAS BEEN LINKED TO THE ELECTRICAL SYSTEM THAT YOUR SERVICE DEPARTMENT SAID WAS THE I…”

  NHTSA complaint · filed 05/29/2020

• “TL* THE CONTACT OWNS A 2012 MAZDA 6. WHILE DRIVING APPROXIMATELY 45 MPH, THE DOOR OPEN ICON ILLUMINATED. THE CONTACT PULLED OVER TO THE SIDE OF THE ROAD TO CHECK THE DOORS; HOWEVER, ALL THE DOORS WERE CLOSED. THE VEHICLE WAS TAKEN TO HENNESSY MAZDA (7261 JONESBORO RD, MORROW, GA 30260) TO BE DIAGNOSED, BUT THEY WERE NOT ABLE TO DETERMINE THE CAUSE OF THE FAILURE. THE MANUFACTURER WAS NOT NOTIFIED. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 96,000.”

  NHTSA complaint · filed 07/15/2019

• “TL* THE CONTACT OWNS A 2012 MAZDA 6. THE CONTACT STATED THAT THERE WAS AN INTERNAL ELECTRICAL FAILURE THAT CAUSED THE HEADLIGHTS TO BURN OUT. THE CONTACT REPLACED THE HEADLIGHT SOCKETS TWICE ON EACH SIDE AND NOTICED THAT THE AREA WAS MELTING AROUND THE FRONT HEAD LAMP ASSEMBLY SOCKETS. RUSS DARROW MAZDA OF MADISON (5234 HIGH CROSSING BLVD, MADISON, WI 53718, (877) 369-8081) WAS CONTACTED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND ADVISED THE CONT…”

  NHTSA complaint · filed 12/06/2018 · fire

• “DRIVING ON THE HIGHWAY AS NORMAL TAIL LIGHTS AND DASH LIGHTS CUTOUT AND OFF OUT OF NOWHERE MELTING WIRES CAUSING LIGHT OUTAGE.”

  NHTSA complaint · filed 11/10/2018

• “VEHICLE RANDOMLY SHUTS OFF ON THE HIGHWAY WITH NO KNOWN CAUSE OR WARNING LIGHT. MAZDA SERVICE DEPARTMENT COULD NOT FIX. THIS HAS HAPPENED 3 TIMES NOW. VEHICLE WAS DRIVING IN SUMMER WEATHER, NO RAIN, NO UNUSUAL CONDITIONS.”

  NHTSA complaint · filed 09/04/2018

• “I OWN A 2012 MAZDA 6 WHICH NOW HAS APPROX. 72,000 MILES. THE FRONT LOW BEAM HEADLIGHTS WENT OUT WHILE I WAS DRIVING IN A RAINSTORM AT NIGHT. LUCKILY MY HIGH BEAMS STAYED FUNCTIONAL. AFTER PULLING OVER TO CHECK OUT THE ISSUE I HIT THE DRIVER SIDE HEADLIGHT ASSY (OUT OF FRUSTRATION) AND THE LOW BEAM LIGHT CAME ON. I DID THE SAME TO THE OTHER SIDE AND THAT LIGHT CAME ON TOO. AS SOON AS I STARTED LOOKING ON THE INTERNET ABOUT THIS. I SEE THAT THERE ARE MANY PEOPLE HAVING THE SAME ISSUE WITH MAZDA HE…”

  NHTSA complaint · filed 10/26/2015

• “HEADLIGHTS KEEP FAILING. I CONTINUE TO CHANGE THE BULBS BUT TODAY FOUND THAT ELECTRICAL WIRING HARNESS THAT POWERS FRONT LIGHTS HAS MELTED AND LOST ALL OF ITS INSULATION. THERE ARE ONLY BARE WIRES RUNNING INTO CONNECTOR FOR HEADLIGHTS.”

  NHTSA complaint · filed 08/17/2015

• “LOW BEAMS FAILED ON BOTH HEADLIGHTS WITH IN FIRST YEAR, ATTEMPTED TO REPLACE BULB SEVERAL TIMES, FINALLY REPLACED ENTIRE HEAD LAMP ASSEMBLIES, WITH IN FIRST 2 MONTHS LOW BEAMS HAVE FAILED AGAIN. ATTEMPTS TO REPLACE BULB ARE STILL NOT EFFECTIVE.”

  NHTSA complaint · filed 08/08/2015

Unverified owner reports from NHTSA's public complaint database.

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