2026 Mazda CX-90 Technical Service Bulletins

123 technical service bulletins (TSBs) are on record for the 2026 Mazda CX-90. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11026092Nov 15, 2025Engine. Some vehicles may exihibit a vibration in the accelerator pedal and steering wheel when accelerating during a sharp left-hand turn. An abnormal noise may also be heard from the footwell area. This may be caused by insufficient clearance between the engine mount stopper rubber and the engine mount bracket. Customer may state: - Vehicle shudders/vibrates on left turns, most often when accelerating from a stop or…
• 11026350Nov 8, 2025Transmission and drivetrain, Steering, Suspension, Wheels. Noise, Vibration, and Harshness (NVH) Diagnostic Guidelines Diagnostic Guidelines When diagnosing NVH concerns, it is essential to first classify the issue into one of three primary categories: Noise, Vibration, or Harshness. Many customer complaints may involve overlapping symptoms, such as both noise and vibration, so identifying the dominant characteristic is critical. Once the primary symptom is determined…
• 11026351Nov 6, 2025Engine, Transmission and drivetrain. Some customer's might state that they notice fluid or oil leaking/dripping on the ground when the vehicle is parked. For this concern, inspect the vehicle for any trace of a fluid or oil leak and use the following examples as a guide to determine if it is severe enough to require a repair, or just to clean the area and monitor it at the next service. Examples of residue or seepage that may not be considered a leak…
• 11024994Oct 23, 2025Electrical system. The Mazda DCA-8000 is required for all warranty battery testing. If the Mazda DCA-8000 is not used, incorrect battery testing may result in unnecessary battery replacement. Use the following test procedures in this Service Bulletin to test Mazda vehicle batteries and to generate a Warranty Code. NOTE: A Warranty Code is required for warranty claim submission Battery Identification (Mazda batteries have 2 rating…
• 11025003Oct 17, 2025Electrical system. Replacement battery packs for High Voltage systems are supplied with an additional label that matches the one attached to the service battery pack (refer to the sample High Voltage Battery Label image for reference). When replacing the battery pack in a 2026 or later model that has a similar label at the base of the left B-pillar, replace the label with the new one included in the service parts battery pack.
• 11024997Oct 17, 2025Electrical system. This service information provides testing and charging procedures in order to promote proper battery maintenance, to deliver new vehicles with fully charged batteries, and to reduce unnecessary battery replacement cost. For new vehicles in stock at the dealer, inspect and maintain the batteries periodically according to the repair procedure.
• 11024995Oct 17, 2025Body and structure. Some customers will report that their fuel door (AKA, fuel filler door, fuel lid, and fuel-filler lid) was stuck closed and would not open to refuel the vehicle. Follow the repair steps below unless the conditions outlined in TSB 09-007/25 - FUEL-FILLER LID PANEL IS DEFORMED for 2019-2025 Mazda3 and 2020-2025 CX-30 are present.
• 11025009Oct 8, 2025Electrical system, Other or unknown. When the Telematics Control Unit (TCU) replacement is necessary due to a failure, use MDARS to activate the new TCU after replacement. Use the information in this service alert to initialize the new TCU until the procedure on MGSS is updated.
• 11024996Oct 7, 2025Other or unknown. Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
• 11024999Oct 2, 2025Electrical system. For improvement of electrical diagnosis, the SKYACTIV® Wiring Terminal Test Kits has been delivered all the dealers. The terminal test kit enables you: To check pin fit drag of all PCM terminals used in SKYACTIV® vehicles and compare suspect terminal drag with a known good terminal. To measure the voltage/resistance avoiding any terminal damage.
• 11024834Oct 2, 2025Other or unknown. Some vehicles may exhibit a creaking noise from the area around the Active Driving Display on the dash pad while driving. This may be caused by the hole cover of the Active Driving Display and the internal components of the dash pad interfering with each other.
• 11023703Sep 30, 2025Other or unknown. Some vehicles may have one of the following DTCs stored in memory along with a system status notice on the Multi-information display OR display a system status notice with no DTC: C1001:92 - Forward sensing camera (FSC) poor field of view [Gen 6 vehicles] B14F0:92 - General temporary failure in forward sensing camera (FSC) [Gen 7 vehicles built on or before March 2, 2019] No DTC - Warning Message only [Gen 7…
• 11023702Sep 30, 2025Other or unknown. Interior parts made of resin have antistatic coating to prevent dust from sticking on the surfaces, and depending on the conditions of use, the antistatic components may crystallize slightly, giving an appearance of white stains on the surface.
• 11023696Sep 16, 2025Exterior lighting. Some customers may complain about a rattle or vibration noise coming from front map light surroundings when driving on a rough road. This may be caused by the bracket for the map light. Due to heat or vibrations, the fastener fixing the front map light to the bracket may deform, making the joint loose. In such case, when the vehicle bounces, the bracket may oscillate and produce a rattling noise. To eliminate that…
• 11023700Sep 9, 2025Other or unknown, Electrical system. Mazda Connected Services - Frequently Asked Questions
• 11022744Aug 27, 2025Transmission and drivetrain. A New Automatic Transmission Fluid (ATF-A7) is being used for some 2023-2026 models. ATF-A7 is an extremely low viscosity formulation with low friction to achieve best-in-class fuel economy and driving performance. For easy identification, ATF-A7 is colored Red and ATF-FZ is colored Blue. There is NO interchangeability between ATF-A7 and ATF-FZ. For CX-30, Mazda3, and CX-5, some 2.5L and all 2.5T engines still use…
• 11022742Aug 22, 2025Other or unknown, Body and structure. Some vehicles may experience exterior trim heat damage such (melted, separating, etc.) when parked near a glass building or Low-E windows. This may be caused by the sun's reflection. If a structure's windows create enough of a curve, the concave glass can focus the sun's rays onto a small area and acting like magnifiying glass direct the sunbeams into a hot pinpoint of light. This magnifcation of the sun's rays can…
• 11022725Aug 22, 2025Engine, Electrical system, Exterior lighting, Other or unknown. Some customers may complain about any of the following: 1. Infotainment Center Display does not provide the Authorization Code (OTP) during the MyMazda App Connected Vehicle enrollment. 2. Remote function(s) inoperative. Engine Start / Stop Door Lock / Unlock Lights ON / OFF Climate Control 3. MAZDA CONNECT connected vehicle reception strength icon shows "X" or " ".
• 11022717Aug 22, 2025Other or unknown, Electrical system. Some customers may experience a Connected Vehicle failure. The MyMazda App may display an Error Code. This document provides Error Code description and recovery information to assist with repairs.
• 11022718Aug 21, 2025Other or unknown, Electrical system. Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
• 11022738Aug 15, 2025Other or unknown. When replacing the MAZDA CONNECT remote tuner (RT) with a replacement tuner for any reason, a call must be made to inform SiriusXM of the existing Radio ID and the new/replacement SAT Radio ID as soon as possible to ensure the customer leaves the dealership with an active SAT radio.
• 11022621Aug 5, 2025Body and structure. While driving on gravel or dusty roads, dust accumulates at the lower inner edge of the door garnish. When the rear door is opened, the dust may be blown up and enter the cabin, adhering to the seats and the floor. This is caused by a large gap at the lower part of the boundary between the rear door and the front door, and air containing dust and/or sand is sucked up into the gap, accumulating at the lower edge of…
• 11022620Aug 5, 2025Other or unknown. Some vehicles may exhibit sagging (1) at the front side of the rear sunshade(s) (2) or a difference in tension between the front and rear of the sunshade(s). When the rear sunshade is fully pulled up and then hooked up, the front hook's position may be lower, causing sagging on the front side of the rear sunshade.

← All problems reported for the 2026 Mazda CX-90