Mazda MAZDA3 owners have reported 84 vehicle speed control related problems since 1996. Table 1 shows the 6 most common vehicle speed control problems. The number one most common problem is related to the vehicle's vehicle speed control (52 problems). The second most common problem is related to the vehicle's car accelerates on its own (13 problems). For details of each of the problem category, use the links in the table.
| Problem Category | Number of Problems |
|---|---|
| Vehicle Speed Control problems | |
| Car Accelerates On Its Own problems | |
| Cruise Control problems | |
| Speed Sensor problems | |
| Accelerator Pedal problems | |
| Accelerator Stuck problems |
Transmission control unit (tcu) failure with error code p061b in 2022 Mazda 3. Problem began approximately 6 months after purchase (February 2023, mileage 8181). Despite five repair attempts by russell & smith Mazda houston (August 8, 2023; January 22, 2025; April 8, 2025; October 13, 2025; Read details...
10+ incidents of sudden unintended acceleration since Aug 2018. Always at freeway speed of traffic, I. E. 70-75mph. Occurs when intentionally decelerating (easing off the gas pedal and initiating braking). Rpms jump to 7 or 8. Read details...
Radar cruise control malfunction and safety systems malfunction frequently. Safety systems completely disable without warning periodically while driving. Radar cruise control doesn�t work randomly. Mazda dealership can�t replicate the issue. Read details...
While driving the speed goes up and down on its own the automatic transmission of my 2008 Mazda 3 shifts down from the 5th to the 3rd gear. This causes the car to jerk violently and the controls to illuminate including check engine, no traction and at. Read details...
2006 Mazda 3. Consumer writes in regards to electronic gas pedal malfunction. The consumer stated when the accelerator pedal was depressed, it would stay in the down position, causing the vehicle to accelerate, after he removed his foot from the pedal. Read details...