There are 16 owner-reported powertrain & transmission complaints for the 2005 Mazda Mazda6in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
IT HAS A VERY ROUGH SHIFT FROM FIRST TO SECOND GEAR. IT DOESN'T GRIND OR CLUNK, IT'S JUST A VIOLENT SHIFT ALMOST LIKE ITS SLIPPING. *TR
2005 MAZDA 6S 3 LITER V6 WITH AUTOMATIC TRANSMISSION (AISIN WARNER). APPLICATION OF THROTTLE TO ACCELERATE IN 5TH OR 6TH GEAR CAUSES JERK, SELECTS NEUTRAL THEN EVENTUALLY SELECTS AN APPROPRIATE GEAR. VERY DANGEROUS ON UPHILL FREEWAYS DUE TO SUDDEN LOSS OF ANY POWER. MAZDA HAS A SERVICE BULLETIN ON THIS # 05-016/06 THAT PROVES THIS CONDITION IS NOT ISOLATED. *TR
THE CLUTCH ON MY MAZDA 6 NO LONGER WORKS CORRECTLY AND I ONLY HAVE 33,248 MILES ON MY CAR. MAZDA USA SAID THERE'S NOTHING THEY CAN DO ABOUT IT. THEY SAID BEFORE THEY'D EVEN CONSIDER ANY HELP, I SHOULD TAKE IT TO A MAZDA DEALER (17 MILES FROM MY HOUSE) AND HAVE IT DIAGNOSED ($110 FOR DIAGNOSTIC TESTING). IN ORDER TO GET IT THERE, I'D HAVE TO HAVE IT TOWED BECAUSE IT'S SO FAR FROM WHERE I LIVE, I'D HAVE TO PAY FOR THE TOW TO AND FROM THE DEALERSHIP. THE COST ESTIMATE FOR THE MAZDA DEALER TO REPLACE MY CLUTCH IS $1000-$1300. THEY WENT ON TO STATE THAT IF IT IS A DEFECTIVE ITEM, BEFORE HELPING ME, THEY'D LOOK TO SEE WHETHER I WAS "LOYAL" IN GETTING THE CAR SERVICED WITH ONE OF THEIR DEALERS. THE CLOSEST DEALER IS 17 MILES AWAY, AM I SUPPOSED TO DRIVE THAT FAR FOR AN OIL CHANGE? I BOUGHT THE CAR IN 2005 BRAND NEW FROM SANTA MONICA MAZDA WHICH HAS SINCE CLOSED DOWN. THE CLUTCH WENT OUT WHILE I WAS DRIVING ON THE FREEWAY AND I'VE BEEN DRIVING MANUAL CARS FOR 20+ YEARS. THIS IS NOT FAIR AND MAZDA DOESN'T CARE. THEY REALLY SUCK...AS THIS CLUTCH SHOULD HAVE LASTED 100,000 MILES. THE CONSUMER STATED MAZDA REPLACED THE CLUTCH ON SEPTEMBER 2, 2010 UNDER THE GOODWILL PROGRAM. THE ISSUE HAS BEEN RESOLVED. UPDATED IVOQ 10/08/10*JB *TR
: I HAVE A 2005 MAZDA 6 WAGON BOUGHT NEW OFF THE DEALER'S LOT. 4 YEARS LATER, IN SEPT. 2009 WITH 22K MILES ON IT, I WAS COMING OFF A CURVING EXIT RAMP WHEN I STEPPED ON THE GAS TO MERGE INTO TRAFFIC AND NOTHING HAPPENED - NO PICKUP - I JUST STARTED COASTING. THIS HAPPENED A FEW TIMES BEFORE IN THE PREVIOUS YEARS (MAYBE 4-5 TIMES), BUT THOSE TIMES IT FELT MORE LIKE A BELT SLIPPING AND IT "CAUGHT" AGAIN VERY QUICKLY, LIKE IN A SPLIT SECOND. THE RAMP EXPERIENCE WAS MORE PRONOUNCED AND LASTED LONGER, LIKE A FULL 2 SECONDS, WHICH WAS MORE SCARY AND POTENTIALLY MORE HAZARDOUS. TURNED OUT THE TCM (TRANSMISSION COMPUTER MODULE) HAD TO BE REPLACED. IT WOULD HAVE COST $1400+ BUT LUCKILY I BOUGHT AN EXTENDED WARRANTY WHEN I BOUGHT THE CAR SO IT COVERED THAT COST. ITS HAPPENING AGAIN, SO I HAVE TO TAKE IT IN TO THE DEALER WHEN I CAN TO GET IT CHECKED AGAIN. NOT A GOOD FEELING WHEN YOUR TRYING TO MERGE INTO TRAFFIC AND YOU EXPECT THE CAR TO MOVE WHEN YOU HIT THE GAS, AND IT MOVES JUST ENOUGH TO GET THE NOSE OF THE CAR INTO THE LANE OF TRAVEL, THEN STOPS DEAD WHILE CARS ARE BEARING DOWN ON YOU. EXTREMELY SCARY. HOPING THIS IS NOT A CONTINUAL RECURRING EVENT. UPDATE: TOOK THE CAR TO THE DEALER THE FIRST WEEK OF APRIL AND AGAIN TODAY, FIRST WEEK OF MAY (THE 3RD) 2010 FOR THE EXACT SAME PROBLEM MENTIONED ABOVE- WHILE DRIVING CAR JUST SLOWS DOWN, NO POWER. STEP ON THE GAS, NOTHING. THEN IT KICKS IN AND HESITANTLY MOVES. THIS IS THE 3RD OR 4TH TIME TAKEN TO THE DEALER FOR THE SAME PROBLEM WITH THE TRANSMISSION. GETTING TICKED OFF ABOUT IT NOW.....*TR
THE MAZDA 6 JERKS WHEN SHIFTING FROM 1ST GEAR TO SECOND. DID THIS A COUPLE TIMES WHILE IN TRAFFIC ALMOST CAUSING AN ACCIDENT. IT FEELS LIKE THE CAR IS HESITANT TO SHIFT AND THEN SHIFTS AND JERKS YOU FORWARD WHEN THERE ARE POSSIBLY OTHER CARS IN FRONT AND YOU NEED TO STOP. I BROUGHT THE CAR IN MULTIPLE TIMES TO THE DEALER AND THEY "COULD NOT REPLICATE THE PROBLEM". *TR
AUTOMATIC TRANSMISSION FAILURE IN 4TH GEAR ON 2005 MAZDA 6. WE BOUGHT THE CAR NEW AND 2YEARS LATER THE TRANSMISSION STARTED SLIPPING IN 4TH GEAR. I COMPLAINED TO THE DEALER AND THEY SAID THEY FOUND NOTHING. THE THIRD YEAR IT BECAME PRONOUNCED AND STILL THEY SAID THEY FOUND NOTHING. I FOUND OUT LAST YEAR THAT MAZDA KNEW ABOUT THE PROBLEM IN THE TRANSMISSIONS AND NEVER CONTACTED US ABOUT A REPLACEMENT TRANSMISSION. I WENT TO THE DEALERSHIP WHEN I FOUND OUT LATE LAST YEAR AND I WAS TOLD THAT THEY COULD NO DO ANYTHING ABOUT IT AS THE CAR WAS OVER THE MILEAGE. I STRONGLY FEEL THAT MAZDA KNEW THE TRANSMISSIONS WERE DEFECTIVE AND NEVER NOTIFIED OWNERS. WE ARE THE ONLY REGISTERED OWNERS OF THE VEHICLE AND IT IS AN ACCIDENT WAITING TO HAPPEN BECAUSE ONCE THE VEHICLE GETS IN THE 4TH GEAR IT VIBRATES AND SHAKES THE WHOLE CAR VIOLENTLY.*TR
I HAVE A 2005 MAZDA 6 WAGON BOUGHT NEW OFF THE DEALERS LOT. 4 YEARS LATER, IN SEPT. 2009 WITH 22K MILES ON IT, I WAS COMING OFF A CURVING EXIT RAMP WHEN I STEPPED ON THE GAS TO MERGE INTO TRAFFIC AND NOTHING HAPPENED - NO PICKUP - IT WAS LIKE I JUST STARTED COASTING. THIS HAPPENED A FEW TIMES BEFORE IN THE PREVIOUS YEARS (MAYBE 4-5 TIMES), BUT THOSE TIMES IT FELT MORE LIKE A BELT SLIPPING AND IT "CAUGHT" AGAIN VERY QUICKLY, LIKE IN A SPLIT SECOND. THE RAMP EXPERIENCE WAS MORE PRONOUNCED AND LASTED LONGER, LIKE A FULL 2 SECONDS, WHICH WAS MORE SCARY AND POTENTIALLY MORE HAZARDOUS. TURNED OUT THE TCM (TRANSMISSION COMPUTER MODULE) HAD TO BE REPLACED. IT WOULD HAVE COST $1400+ BUT LUCKILY I BOUGHT AN EXTENDED WARRANTY WHEN I BOUGHT THE CAR SO IT COVERED THAT COST. IT'S HAPPENING AGAIN, SO I HAVE TO TAKE IT IN TO THE DEALER WHEN I CAN TO GET IT CHECKED AGAIN. NOT A GOOD FEELING WHEN YOU'RE TRYING TO MERGE INTO TRAFFIC AND YOU EXPECT THE CAR TO MOVE WHEN YOU HIT THE GAS, AND IT MOVES JUST ENOUGH TO GET THE NOSE OF THE CAR INTO THE LANE OF TRAVEL, THEN STOPS DEAD WHILE CARS ARE BEARING DOWN ON YOU. EXTREMELY SCARY. HOPING THIS IS NOT A CONTINUAL RECURRING EVENT. *TR
THE VEHICLE IS EQUIPPED WITH AN AUTOMATIC TRANSMISSION. WHEN THE VEHICLE WAS PARKED FOR OVER 8 HOURS OUTDOORS IN DIRECT SUNLIGHT, THE VEHICLE WOULD NOT SHIFT OUT OF PARK. FAILURE OCCURS ONLY ON EXTREMELY HOT DAYS - TEMPERATURES OVER 95 DEGREES AND ONLY WHEN ALL THE WINDOWS & SUNROOF WERE COMPLETELY CLOSED. VEHICLE WAS ALLOWED TO SIT WITH THE ENGINE RUNNING AND AIR CONDITIONER ON HIGH FOR ROUGHLY 15-20 MINUTES. WHEN INTERIOR TEMPERATURE OF CAR LOWERED, THE CAR WAS ABLE TO SHIFT OUT OF PARK. THE PROBLEM REPLICATED SPORADICALLY BUT ON AT LEAST 10 DIFFERENT OCCASIONS OVER THE COURSE OF 2 YEARS. THE VEHICLE WAS BROUGHT TO DEALERSHIP ON NUMEROUS OCCASIONS WHERE THEY WERE UNABLE TO REPLICATE THE PROBLEM. DURING ONE SERVICE VISIT A MECHANIC CLEANED THE MICROSWITCH RESPONSIBLE FOR THE SHIFT INTERLOCK. THAT DID NOT REMEDIATE THE PROBLEM. *TR
THE CLUTCH PEDAL ASSEMBLY HAS 3 CRACKS IN IT WHICH ALLOWED THE ASSEMBLY TO PUSH THROUGH THE BULKHEAD TO THE ENGINE COMPARTMENT THE CLUTCH DID NOT WORK PROPERLY ALMOST CAUSING AN ACCIDENT AS I WAS UNABLE TO CHANGE GEAR.THIS IS A DANGEROUS DEFECT WHICH SHOULD NOT HAVE OCCURED.I THINK A RECALL SHOULD BE ISSSUED FOR THIS PART TO BE REPLACED AND REPAIRED AND ALSO OTHER DAMAGE CAUSED BY THI DEFECT. *TR
HAD 30000 MILE SERVICE DONE PRIOR TO A 1000 MILE ONE WAY VACATION TRIP. AFTER ARRIVING AT OUR DESTINATION WASHED CAR AT COIN CAR WASH. DROVE CAR FOR ABOUT 10 MINUTES AND ENGINE BEGAN SURGING, TRANSMISSION WOULD NOT MOVE FROM SECOND GEAR, AND VEHICLE SPEED WOULD NOT EXCEED 20 MPH. EXITED ROADWAY AND PARKED VEHICLE OVERNIGHT. AT ENGINE STARTUP VEHICLE RAN FINE BUT WITH ENGINE LIGHT ON. DROVE 60 MILES AND VEHICLE SUFFERED COMPLETE SHUTDOWN ON FREEWAY. VEHICLE COASTED TO A SAFE STOP AND CALLED MAZDA ROADSIDE. VEHICLE WOULD NOT EVEN TURN OVER. VEHICLE TOWED TO DEALERSHIP, IGNITION COIL AND PCM WERE REPLACED. DEALER APPROVED VEHICLE FOR 1000 MILE RETURN TRIP. AFTER ONLY 4 HOURS OF DRIVING ENGINE LIGHT CAME ON AGAIN. EXITED INTERSTATE, PARKED VEHICLE AND CALLED MAZDA ROADSIDE. VEHICLE CURRENTLY UNDER REPAIR. THIS WAS TWO IDENTICAL FAILURES WITHIN 200 MILES OF USE. *AK
2006 MAZDA6 GRAND TOURING HESITATED WHEN ACCELERATING AND DE-ACCELERATING. THE GEARS ALSO BECAME STUCK. *KB THE VEHICLE HAS BEEN TAKEN TO THE DEALER MULTIPLE TIMES FOR AIR CONDITIONING/HEATER PROBLEMS., RADIO/CD AND CONDENSATION ON THE INSIDE OF THE WINDSHIELD.
DT*: THE CONTACT STATED THREE TIMES WHILE ACCELERATING ONTO AN ONRAMP, THE VEHICLE WILL NOT ACCELERATE OR DECELERATE. THIS OCCURRED AT VARIOUS SPEEDS. THE VEHICLE HAS BOTH AUTOMATIC AND MANUAL TRANSMISSION AND MUST BE SHIFTED INTO MANUAL MODE TO CORRECT THE PROBLEM. THE DEALERSHIP IS UNABLE TO DETERMINE THE PROBLEM. THIS IS A 2005 MAZDA 6 GRAND TOURING. *AK
AFTER A MODEST ACCELERATION TO PULL INTO TRAFFIC, I HAD TO STOP SUDDENLY DUE TO A LIGHT AND THE CAR BEGAN TO REV UP TO 1500 AND BACK DOWN OVER AND OVER. I HAD TO PULL OVER IMMEDIATELY WHERE IT CONTINUED TO REV AND DIE DOWN, REGARDLESS IF I WAS IN A GEAR OR PARK. IT IS AN AUTOMATIC. I TURNED OFF THE CAR AND RESTARTED, THE PROBLEM WENT AWAY BUT THE ENGINE LIGHT REMAINED ON FOR TWO DAYS. I PLAN ON TAKING TO THE DEALER. IT IS ONLY 7 MONTHS OLD, I BOUGHT IT NEW. *NM
CAR IS A MANUAL TRANSMISSION. PAST 2 WEEKS ENGINE LIGHT HAS COME ON, CAR WILL NOT SHIFT AND WILL NOT GO ABOVE 20 MPH. *JB
DT: CONSUMER SAYS HE IS HAVING PROBLEM WITH TRANSMISSION. TRANSMISSION WILL DROP GEARS ON ITS OWN, CONSUMER JUST HAD VEHICLE AT DEALER FOR TRANSMISSION SLIPPAGE AND HARSH SHIFTING. CONSUMER SAID THAT DEALER DID A SOFTWARE CALIBRATION ON THE TRANSMISSION CONTROL MODULE. CONSUMER SAYS NOW WHEN HE IS TRAVELING ON HIGHWAY AND CONSUMER TRIES TO ACCELERATE TRANSMISSION WILL DROP FROM 4TH GEAR TO 3RD GEAR BY ITSELF AND THIS MAKES ACCELERATION VERY DIFFICULT. WHILE DRIVING VEHICLE IN CITY CONSUMER SAYS THAT TRANSMISSION WILL DROP FROM 4TH TO 2ND WHILE TRYING TO ACCELERATE. CONSUMER NOTICES WHICH GEAR BY THE INDICATOR LIGHT LOCATED ON DASH. CONSUMER SAYS THAT SLIPPAGE AND HARSH SHIFTING IS NOW CORRECTED, BUT HE IS HAVING PROBLEM WITH TRANSMISSION DROPPING GEARS. CONSUMER SAYS HE HAS AN EMAIL THAT HE SOMEHOW COME INTO POSITION OF, THIS EMAIL IS FROM FORD AND SAYS THAT THERE IS A PROBLEM WITH THIS TRANSMISSION IN OTHER VEHICLES AS WELL AS SAME TYPE AS CONSUMER. CONSUMER SAYS THAT THIS PROBLEM BEGAN YESTERDAY MORNING AND DROPPED GEARS LIKE THIS ABOUT 30 TIMES IN 24 HOURS. CONSUMER SAYS THAT THE MALFUNCTION TOOK PART MOSTLY YESTERDAY AND THIS MORNING IN SOUTH FIELD, MI. CONSUMER SAYS THAT HE DROVE AS MUCH IN THE CITY AS HE DID ON THE HIGHWAY YESTERDAY AND THIS MORNING. *NM
2005 MAZDA 6 DEVELOPED PROBLEMS WITH THE TRANSMISSION SHIFTING.*MR THE CONSUMER STATED THE TRANSMISSION FROPPED FROM 4TH GEAR TO 3RD GEAR ON ITS OWN WHILE DRIVING. *JB
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.
Data synced from NHTSA on Apr 25, 2026