2018 Mazda Mx-5 problems, complaints & recalls
Most-reported problem areas: Vehicle Speed Control (1) · Structure:body (1) · Power Train (1)
🧭 Reliability snapshot
Compared against other Mazda Mx-5 model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (3)
Air Bags: Air Bag/Restraint Control Module:software 2024-09-18 · campaign 24V695000 · 77,670 vehicles
Defect: Mazda North American Operations (Mazda) is recalling certain 2016-2023 MX-5 Miata vehicles. A software error in the air bag control module may cause the front air bags to deploy with excessive force during a crash. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."
Risk: An air bag that deploys with excessive force can increase the risk of injury during a crash.
Fix: Dealers will update the Sophisticated Air Bag Sensor (SAS) control module software, free of charge. Owner notification letters were mailed November 7, 2024. Owners may contact Mazda customer service at 1-800-222-5500. Mazda's number for this recall is 6924I.
Fuel System, Gasoline:delivery:fuel Pump 2021-11-12 · campaign 21V875000 · 121,038 vehicles
Defect: Mazda North American Operations (Mazda) is recalling certain 2018 Mazda3, Mazda6, 2019 CX-3, 2018-2019 MX-5, CX-5, CX-9, and 2019-2020 Mazda2 vehicles. The impeller inside the low-pressure fuel pump may crack and deform, potentially causing the fuel pump to fail.
Risk: Fuel pump failure may cause an engine stall, increasing the risk of a crash.
Fix: Dealers will replace the fuel pumps, free of charge. Owner notification letters were mailed July 18, 2022. Owners may contact Mazda customer service at 1-800-222-5500 Option 4. Mazda's number for this recall is 5321K.
Power Train:automatic Transmission:control Module (Tcm/Pcm/Tecm) 2019-02-01 · campaign 19V072000 · 14,370 vehicles
Defect: Mazda North American Operations (Mazda) is recalling certain 2016-2019 MX-5 (Miata) vehicles with automatic transmissions. Due to incorrect programming of the Transmission Control Module (TCM), certain conditions may cause the vehicle to unexpectedly downshift and abruptly decelerate.
Risk: If the vehicle abruptly downshifts, the driver may lose control of the vehicle, increasing the risk of a crash.
Fix: Mazda will notify owners, and dealers will reprogram the TCM with corrected software, free of charge. The recall began March 14, 2019. Owners may contact Mazda customer service at 1-800-222-5500, option 4. Mazda's number for this recall is 3019A.
Service bulletins (367)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Electrical System 2026-09-11 · SA-041-26a · Service Bulletin/Repair Instructions
description 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 installed. aftermarket devices may be the cause of the electrical con
Engine 2026-06-19 · SA-041-26 · Service Bulletin/Repair Instructions
this sa supersedes the previously issued sa(s) listed below. the changes are noted in red. sa-061/25 12/17/25 description 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 ask
Unknown Or Other 2026-06-18 · 09-020-26 · Service Bulletin/Repair Instructions
description some vehicles may exhibit scratches (1) on the rear of the seat back bar garnish (2) from contact with the convertible top (3). due to assembly variations, the clearance between the seat back bar garnish and the convertible top is too small on some vehicles. repair procedure 6. install t
Power Train 2026-05-01 · 01-008-26 · Service Bulletin/Repair Instructions
this bulletin supersedes the previously issued bulletin(s) listed below. the changes are noted in red. 01-008/23 06/05/23 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 driv
Unknown Or Other 2026-04-30 · SA-031-26 · Service Bulletin/Repair Instructions
description 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
Unknown Or Other 2026-04-21 · SA-029-26 · Service Bulletin/Repair Instructions
this service alert supersedes the previously issued sa listed below: the changes are noted in red. sa-011/24 02/12/24, 06/06/24, 07/29/24 description mazda has developed factory recommended scheduled maintenance services that support all major vehicle systems. mazda recommends dealers follow the sch
Showing the 6 most recent of 367 bulletins. Search all of them free at nhtsa.gov.
What owners report
2024-06-19 · Power Train“2018 mazda miata mx-5 club sport, manual transmission heading home from a friends house that evening, transmission started whirring/whining in 6th gear, then 5th, and so on through 2nd - 1st gear seems to be unaffected. i was forced to apply hazard flashers and travel well below the speed limit in the right lane of the pa turnpike until i made my …”
2020-12-20 · Vehicle Speed Control“i've owned my 2018 mazda mx-5 for about two years. the problems slow started arising. at first i hadn't noticed, but when going in and out of 'drive' the vehicle felt like it was either going to stall or accelerate. i had initially thought was because it's a 'sports car.' in august of 2020 the window regulator on the passenger side had malfunctione…”
2019-11-22 · Structure:body · 9,700 mi“started from creak noise as car start to move, accelerate or stop. now it developed to some ticking noise every time car accelerate or decelerate. the car is only at about 9700 mi went to spreen mazda loma linda ca to inspect the car. they said it is normal and come back when it gets worse…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.