2019 Mazda Mazda6: common problems
Owners of the 2019 Mazda Mazda6 filed 6 complaints with NHTSA, most often about electrical system and engine. The maker issued 349 service bulletins for this year. Details by component below, with sources.
Key figures
- Owner complaints
- 6
- Technical service bulletins (TSB)
- 349
What fails most often
- 1 Electrical system 17% of all complaints
- 2 Engine 17% of all complaints
- 3 Steering 17% of all complaints
- 4 Forward collision avoidance 17% of all complaints
- Electrical system: 1 complaints (17% of all); manufacturer bulletins for this component: 86.
- Engine: 1 complaints (17% of all); manufacturer bulletins for this component: 57.
- Steering: 1 complaints (17% of all); manufacturer bulletins for this component: 16.
- Forward collision avoidance: 1 complaints (17% of all); manufacturer bulletins for this component: 5.
Symptoms owners describe
How many of the 6 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 1 | 0 | 86 |
| Engine | 1 | 0 | 57 |
| Steering | 1 | 0 | 16 |
| Forward collision avoidance | 1 | 0 | 5 |
| Equipment | 0 | 0 | 100 |
| Engine and cooling | 0 | 0 | 73 |
| Powertrain | 0 | 0 | 32 |
| Service brakes | 0 | 0 | 24 |
| Structure | 0 | 0 | 18 |
| Wheels | 0 | 0 | 12 |
| Visibility | 0 | 0 | 11 |
| Seats | 0 | 0 | 8 |
| Fuel/propulsion system | 0 | 0 | 6 |
| Suspension | 0 | 0 | 4 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
Below are the details of the issue: Vehicle Information: Make: Mazda Model: 6 GTR Year: 2019 VIN: [XXX] Problem Description: My vehicle began to overheat while driving. The vehicle has approximately 35,000 miles and has been meticulously maintained at authorized Mazda dealerships.
The forward smart city brake malfunction front radar sense malfunction caused my car to slow down on the express with the check engine light blinking.
After purchasing a 2019 mazda6 in july 2019, there have been multiple occasions in which I start the car and the display screen freezes or is black, not displaying anything. At the same time, the control buttons on the steering wheel do not work.
I took to meinke and they found entire under carriage of engine rusted badly and looked like swiss cheese they stated I was lucky to get there and that this happens a lot on this make and model of car and that it would be $1200 to $1500 to fix.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 1,633 of 2,102 model years in the NHTSA data (among the 22% least complained about).
On average one model year of the Mazda6 has 37 complaints (6 years in the data). This year has 6, below average.
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Steering. Steering play, power assist, rack and tie rods after a wheel impact.
- Forward collision avoidance. Radar and camera: calibration after bumper or windshield replacement.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- If you encounter any type of electrical concern (e.g, dead battery, engine no start, DTC(s) stored...),…
If you encounter any type of electrical concern (e.g, dead battery, engine no start, DTC(s) stored...), interview the customer before proceeding with normal MGSS diagnosis by asking if any aftermarket devices have been…
- Some customers may experience all of following symptoms
The door lock/unlock operation will not work using the remote transmitter button. 1. The door lock/unlock operation will not work using the door lock/release touch sensor. 2. The engine will not start using the…
- Some vehicles may require the replacement of a damaged VIN plate or vehicle certification label
To obtain a replacement VIN plate (bulkhead-mounted and visible through the lower-left area of the windshield), contact DAG (Dealer Assistance Group) using VIN Plate Request Form available on One Mazda. To obtain a…
- Mazda has developed factory recommended scheduled maintenance services that support all major vehicle systems
Mazda recommends dealers follow the scheduled maintenance tables as cited in the vehicle-specific workshop manual or owner's manual. Services performed outside of Mazda's factory scheduled maintenance are not…
- If an engine assembly is replaced after a catastrophic internal mechanical failure, clean the intake…
If an engine assembly is replaced after a catastrophic internal mechanical failure, clean the intake manifold internally before installing a replacement engine assembly. If the intake manifold is not cleaned properly…
- Some customers may experience one or more electrical malfunctions after a vehicle body repair
A newly painted fender stay (2) may be causing a poor front harness (1) ground connection. The front fender stay (2) newly painted surface at ground point (3), where attachment bolt (4) is seated, may create a poor…
- Some vehicles may exhibit rattling noises from the engine compartment and oil leakage from the drive belt…
Some vehicles may exhibit rattling noises from the engine compartment and oil leakage from the drive belt auto tensioner. This may be caused by insufficient sealing at the drive belt auto tensioner damper when the auto…
- TSB 01-001/26 Warranty and Parts Kit Update
INCLUDES: Warranty Extension Program - Special Service Program (SSP) D8 Check Engine Light ON with DTC P0126:00, 2018-2025 CX-5, 2019-2023 Mazda3, 2019-2022 CX-3, 2018-2021 Mazda6, 2020-2023 CX-30 Dear Mazda Dealer…
- There is a concern that some water pumps are being replaced that are not faulty, due to signs of a very…
There is a concern that some water pumps are being replaced that are not faulty, due to signs of a very small coolant leak from the bleed hole. This Service Alert is to inform you about the water pump sealing mechanism…
- Some customers may experience a check engine light ON with DTC P0126
00 (Thermostat stuck open) and one or more of the following symptoms: Engine takes longer to warm up. Engine temperature gauge fluctuates. Low coolant temperature indicator (blue) light stays on longer or turns on…
- SSPD8 - Check Engine Light ON with DTC P0126
00 - WARRANTY EXTENSION For certain 2018-2025MY CX-5, 2019-2023MY Mazda3, 2019-2022MY CX-3, 2018-2021MY Mazda6, 2020-2023MY CX-30 that are equipped with the suspected coolant control valve, the warranty coverage for…
- The coolant control valve updated part is now available and supersedes PYFD-15-16ZA
As a result, PYFD-15-16ZA is no longer available. PW5S-15-16Z is supplied with a dummy plug pre-installed. Critical Installation Requirement: When replacing PW5S-15-16Z, the Powertrain Control Module (PCM) must also be…
NHTSA lists 349 bulletins for this year; the 12 newest are shown here.
Other years of this model
Questions and answers
What are the most common problems with the 2019 Mazda Mazda6?
Owner complaints to NHTSA most often mention: electrical system, engine, steering. Total complaints: 6. The most frequent symptoms in complaint texts: overheating, coolant loss (17%), rust, corrosion (17%), infotainment or screen glitches (17%).
How many service bulletins (TSB) were issued for the 2019 Mazda Mazda6?
NHTSA lists 349 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2019 Mazda Mazda6 from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2019 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.