APPROXIMATELY TWO OR THREE TIMES A WEEK WHEN DOWNSHIFTING OUT OF A RIGHT OR LEFT HAND CURVE OR TURN, MY 2012 MANUAL TRANSMISSION MAZDA 3 HATCHBACK WILL ACCELERATE ON ITS OWN. THIS IS CHARACTERIZED BY A VARYING INCREASE OF RPMS: 2100 RPMS TO 4500 RPMS, DEPENDING ON THE INCIDENT, AND A SUDDEN LURCHING OR SURGING FORWARD OF THE VEHICLE ITSELF. WHEN APPROACHING CURVES OR TURNS, AT 30 OR 40 MPH, THAT …
2012 mazda Mazda3 powertrain problems
moderate 39 complaints filed with NHTSA · avg repair $2,500
Complaints
39
Recalls
0
Crashes
0
Avg fix
$2,500
What owners are reporting 5 most recent
I DRIVE A 2012 MAZDA I TOURING SKYACTIVE. WHILE DRIVING HOME ABOUT 45 MPH WHEN I WAS CAME TO A STREET LIGHT. AS I APPLIED MY BRAKES THE TRANSMISSION SHIFTED DOWN HARD, THE TRACTION CONTROL LIGHT CAME ON AND THE TRANSMISSION DISENGAGED, WHICH FORCED ME TO PULL TO THE SIDE OF THE ROAD. THE TRANSMISSION TYPE IS AN ELECTRIC AUTO/MANUAL. WITH THE CAR STILL RUNNING, I PUT THE CAR IN TO MANUAL MODE A…
TL* THE CONTACT OWNS A 2012 MAZDA 3. WHILE DRIVING 55 MPH, THE CLUTCH FAILED ON THE HIGHWAY. THE CONTACT STATED THAT THE REVOLUTIONS PER MINUTES DIAL FLUCTUATED RAPIDLY. THE CONTACT WAS ABLE TO CONTROL THE VEHICLE AND PARK. THE CONTACT STATED THAT THE CLUTCH WAS REPLACED FOUR TIMES FOR THE SAME FAILURE. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS TOWED EACH TIME THE FAILURE OCCUR…
A HOT AND HUMID NIGHT WAITING IN LINE AT A DRIVE THROUGH WITH A SLIGHT UP HILL SLOPE, THE TRANSMISSION DID NOT ENGAGE FROM NEUTRAL TO DRIVE. AFTER SHIFTING FROM PARK TO DRIVE IT WENT INTO 3RD GEAR WITH AND ENGINE LIGHT, HAZ ROAD AND AT LIGHT. PO751 01/02, PO780 02/02 CODES. TRANSMISSION SHOP STATED: TRANSMISSION SOLENOIDS BAD AND SMELL OF BURNT FLUID. FLUID WAS BROWN, CAR WAS ONE OWNER 233K ..POSS…
TL* THE CONTACT OWNS A 2012 MAZDA MAZDA 3. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 65 MPH, THE TRACTION SKID WARNING LIGHT ILLUMINATED. THE VEHICLE INDEPENDENTLY SHIFTED INTO A LOW GEAR AND WOULD NOT ACCELERATE. THE FAILURE WAS RECURRING. THE VEHICLE WAS TOWED TO THE DEALER FOR DIAGNOSIS HOWEVER, THE TECHNICIAN WAS UNABLE TO DIAGNOSE THE FAILURE. THE MANUFACTURER WAS NOT MADE AWARE OF…
Common questions
How serious is the powertrain problem on the 2012 mazda Mazda3?
It's a documented issue but not catastrophic. 39 complaints have been filed. Repairs average $2,500 and most owners catch it before it causes a breakdown.
At what mileage does the powertrain typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $2,500 for powertrain 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 powertrain?
No active recalls currently cover powertrain 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.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
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