2026 Mazda CX-90 technical service bulletins
135 technical service bulletins and manufacturer communications cover the 2026 Mazda CX-90, including 39 warranty extensions.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- CSP14 – 2024-2026 CX-90
- CSP14 CSP15
- Subject: Mazda Rear Brake Pad Customer Service Program Limited Warranty Extension – (CSP14 – CX-90 models)...
- Dear Mazda Owner: You are receiving
- This bulletin supersedes the previously issued bulletin(s) listed below
- For vehicles equipped with the Accessory Tow Brake Controller (P/N: C9N1V7782A), the 12V battery may...
- Subject: Update – Campaign Warranty Claim Response Enhancements – Modules Not Repaired for Certain...
- This bulletin supersedes the previously issued bulletin(s) listed below
- Some customers may complain about any of the following 1. Infotainment Center Display does not provide the...
- This bulletin supersedes the previously issued bulletin(s) listed below
- Subject: ordering requirement for at components for H3T (inline 6)
- Description
- Description
- Mazda Connected Services
- Description
- This Service Alert supersedes the previously issued service alert listed below
- This bulletin supersedes the previously issued bulletin(s) listed below
- This Service Alert supersedes the previously issued service alert listed below
- This Service Alert supersedes the previously issued bulletin(s) listed below
- This Service Alert supersedes the previously issued SA(s) listed below
- This bulletin supersedes the previously issued bulletin(s) listed below
- Description
- This Service Alert supersedes the previously issued SA(s) listed below
- Description
- Description
- COMPLIANCE WITH NEW YORK STATE GENERAL BUSINESS LAW §399‑CCCCC (CONNECTED VEHICLE SERVICE; DOMESTIC...
- This Service Alert supersedes the previously issued SAs listed below
- Updated software release for concerns with mazda connect infotainment system description
- Description
- This SA supersedes the previously issued SA(s) listed below
- This SA supersedes the previously issued bulletin(s) listed below
- This Service Alert supersedes the previously issued SA listed below
- This Service Alert supersedes the previously issued SA(s) listed below
- Description
- This bulletin supersedes the previously issued bulletin(s) listed below
- This bulletin supersedes the previously issued bulletin(s) listed below
- This bulletin supersedes the previously issued bulletin(s) listed below
- This SA supersedes the previously issued SA(s) listed below
- Squeaking noise from the rear brake during deceleration, and the noise is particularly noticeable during...
- This bulletin supersedes the previously issued bulletin(s) listed below
- This bulletin supersedes the previously issued bulletin(s) listed below
- Some customers may complain that a rattling noise is heard from the second seat while driving under...
- This service alert supersedes the previously issued service alert listed below
- This SA supersedes the previously issued SA(s) listed below
- Some customers may complain that an abnormal noise is heard from the front suspension when driving on...
- Description
- This Service Alert supersedes the previously issued SA listed below: The changes are noted in Red....
- Some customers may experience a message "TCU Malfunction
- This Service Alert supersedes the previously issued M-Tip(s) listed below
- This SA supersedes the previously issued bulletin(s) listed below
- 2024-2026 CX-90 and 2025-2026 CX-70 Engine Warning Light Illumination with DTC P0DAB CONDITION OF CONCERN...
- This Service Alert supersedes the previously issued SA(s) listed below
- This Service Alert supersedes the previously issued SA(s) and TSB(s) listed below: The changes are noted...
- This Service Alert supersedes the previously issued SA(s) listed below
- This Service Alert supersedes the previously issued SA(s) listed below
- Green residue (yellow circle) on the outer surface of the coolant reserve tank, which appears to be...
- This Service Alert supersedes the previously issued SA(s) listed below
- Some vehicles exhibit creaking noise from the left side power liftgate (PLG) drive unit when moving...
- Some vehicles may exihibit a vibration in the accelerator pedal and steering wheel when accelerating...
- There are currently 2 methods for cutting a new auxiliary key blank
- Key-in lock situation when the speed-sensitive door lock activates unexpectedly while idling in the P-range
- There are wrinkles on the leather seat cushion and/or seat back surface at PDI, when new vehicle is...
- Customers may report that the liftgate does not open or unlatch (from closed or an ajar position)
- Some customers may report an odor or water in the HVAC system and upon inspection, the cabin air filter...
- Mazda Connect Services
- CHECK ENGINE light ON with one of the following DTCs or a combination of these DTCs. P0451 • P2422 • P2451...
- Some customers may experience a message "TCU Malfunction
- If you encounter any type of electrical concern (e.g, dead battery, engine no start, DTC(s) stored...),...
- Some customers may complain about any of the following: 1. Infotainment Center Display does not provide...
- The 7G large platform utilizes a new 8-speed automatic transmission
- A technician may report that DTC U0415:68
- Some customers may experience a bottle tilts to the left when using the second-row cup holder in...
- When inspected, the differential or PTO oil is dark or black
- Some vehicles exhibit brake related concerns such as brake noise, brake judder or brake dragging
- This Service Alert provides additional guidance about operation and procedure of the Driver...
- There have been warranty claims submitted for growling or bearing whine noise in differentials, transfer...
- A New Automatic Transmission Fluid (ATF-A7) is being used for some 2023-2026 models
- Noise, Vibration, and Harshness (NVH) Diagnostic Guidelines Diagnostic Guidelines When diagnosing NVH...
- Some customer's might state that they notice fluid or oil leaking/dripping on the ground when the vehicle...
- The Mazda DCA-8000 is required for all warranty battery testing
- Some customers will report that their fuel door (AKA, fuel filler door, fuel lid, and fuel-filler lid) was...
- This service information provides testing and charging procedures in order to promote proper battery...
- Replacement battery packs for High Voltage systems are supplied with an additional label that matches the...
- When the Telematics Control Unit (TCU) replacement is necessary due to a failure, use MDARS to activate...
- Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair...
- Creaking noise from the area around the Active Driving Display on the dash pad while driving
- For improvement of electrical diagnosis, the SKYACTIV® Wiring Terminal Test Kits has been delivered all...
- Interior parts made of resin have antistatic coating to prevent dust from sticking on the surfaces, and...
- One of the following DTCs stored in memory along with a system status notice on the Multi-information...
- Some customers may complain about a rattle or vibration noise coming from front map light surroundings...
- Mazda Connected Services
- A New Automatic Transmission Fluid (ATF-A7) is being used for some 2023-2026 models
- Some customers may experience a Connected Vehicle failure
- Some customers may complain about any of the following: 1. Infotainment Center Display does not provide...
- Exterior trim heat damage such (melted, separating, etc.) when parked near a glass building or Low-E windows
- When replacing the MAZDA CONNECT remote tuner (RT) with a replacement tuner for any reason, a call must be...
- Sagging (1) at the front side of the rear sunshade(s) (2) or a difference in tension between the front and...
- While driving on gravel or dusty roads, dust accumulates at the lower inner edge of the door garnish
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