2024 Mazda CX-90 Plug-In Hybrid Technical Service Bulletins

138 technical service bulletins (TSBs) are on record for the 2024 Mazda CX-90 Plug-In Hybrid. 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.

• 11026353Nov 26, 2025Brakes. Some vehicles exhibit brake related concerns such as brake noise, brake judder or brake dragging. If you encounter a customer complaint for any one of these symptoms, refer to the following information to understand why symptoms may occur, and to better assist the customer in resolving their specific brake concern. NOTE: Before following this Service Alert repair procedure, ensure published TSBs in MGSS have been…
• 11026349Nov 22, 2025Electrical system. HIGH-VOLTAGE FUSE INSPECTION (INTERNAL TO PHEV BATTERY). No inspection procedure is provided in the WSM for the high-voltage fuses located inside the high-voltage battery.
• 11026352Nov 20, 2025Other or unknown. This Service Alert provides additional guidance about operation and procedure of the Driver Personalization System from the start of driver recognition to the end of the driving position restoration. OUTLINE OF PROCEDURE TIMING. Timing (start/completion/discontinuing) of driver recognition and a driving position restoration:
• 11026347Nov 19, 2025Wheels. There have been warranty claims submitted for growling or bearing whine noise in differentials, transfer units and transmissions where the source of the noise was a wheel bearing. This misdiagnosis can lead to multiple repair attempts, warranty debits, and additional inconvenience and/or cost to the customer. To reduce the chance of this occurring, please follow the steps outlined in the repair procedure.
• 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…
• 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.
• 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.
• 11024839Oct 2, 2025Electrical system. Some vehicles may exhibit sparks when the charging cable is connected or disconnected during AC charging. Removing the charging cable while it is energized can cause sparks because the air’s insulation breaks down. To eliminate this concern, the control logic of the PCM has been modified to temporarily stop AC charging upon a door unlock trigger.
• 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.
• 11023695Sep 25, 2025Other or unknown. Some customers may complain that the heater does not work properly and that a warning about a hybrid abnormality appears on the Instrument Cluster. Upon inspection, the vehicle may have DTC P0AA6:00 (High voltage insulation malfunction: Decrease in vehicle insulation resistance) stored in memory. This is caused by an inappropriate casting method of the water heater during the manufacturing process.
• 11023704Sep 11, 2025Engine. SSPD9 – Adding coverage for Towing Subject: Notification of Warranty Extension Program - Special Service Program (SSP) D9 2024 CX-90 and 2025 CX-70, SKYACTIV-G 2.5 PHEV – Water Heater Malfunction Mazda Motor Corporation has decided to conduct a Special Service Program (SSP) to extend the warranty coverage for a specific repair of the water heater concern on certain MY2024 CX-90 PHEV and MY2025 CX-70 PHEV vehicles…
• 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…
• 11022773Aug 26, 2025Engine. SSPD9 August 25, 2025 – Adding coverage for Towing Subject: Notification of Warranty Extension Program - Special Service Program (SSP) D9 2024 CX-90 and 2025 CX-70, SKYACTIV-G 2.5 PHEV – Water Heater Malfunction Mazda Motor Corporation has decided to conduct a Special Service Program (SSP) to extend the warranty coverage for a specific repair of the water heater concern on certain MY2024 CX-90 PHEV and MY2025 CX-70…
• 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.
• 11022770Aug 21, 2025Electrical system. Subject: Notification of Warranty Extension Program - Special Service Program (SSP) D9 2024 CX-90 and 2025 CX-70, SKYACTIV-G 2.5 PHEV – Water Heater Malfunction Mazda Motor Corporation has decided to conduct a Special Service Program (SSP) to extend the warranty coverage for a specific repair of the water heater concern on certain MY2024 CX-90 PHEV and MY2025 CX-70 PHEV vehicles that are equipped with the suspected…
• 11022765Aug 21, 2025Electrical system. Subject: Notification of Warranty Extension Program - Special Service Program (SSP) D9 2024 CX-90 and 2025 CX-70, SKYACTIV-G 2.5 PHEV – Water Heater Malfunction Mazda Motor Corporation has decided to conduct a Special Service Program (SSP) to extend the warranty coverage for a specific repair of the water heater concern on certain MY2024 CX-90 PHEV and MY2025 CX-70 PHEV vehicles that are equipped with the suspected…
• 11022718Aug 21, 2025Other or unknown, Electrical system. Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
• 11020039Jun 19, 2025Other or unknown. Some customers may complain about a noisy HVAC blower motor or odor after a cabin air filter replacement. Foreign debris on the blower motor after servicing the cabin air filter may be the cause. During the removal of the cabin air filter, foreign debris (leaves, dust, dirt....ect.) may fall on the blower motor causing a fluttering type noise or odor.
• 11020038Jun 18, 2025Other or unknown. Some customers may report an odor or water in the HVAC system and upon inspection, the cabin air filter may be found to be wet.
• 11019986Jun 11, 2025Other or unknown. Some vehicles may exhibit a loud vibration noise when the electric A/C compressor is operating. Due to processing variation of the counter-balance bushing (a weight to balance eccentric rotation) installed in the electric compressor, some of the bushing strongly interferes with the shaft, resulting in the humming noise. To eliminate this concern, the machining accuracy of the counter-balance bushing has been…
• 11020036Jun 3, 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.
• 11020035Jun 3, 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…
• 11019164May 29, 2025Other or unknown. Some vehicles may have recall notifications remain on the center display even after a recall is performed. NOTE: When the warranty claim for the recall campaign is accepted at Mazda Japan, the recall notification will be automatically deleted via the Connected Service on the next day or later. This situation occurs if the Connected Service subscription has been cancelled while the recall notifications remain.
• 11019173May 21, 2025Electrical system, Engine. 7325C - EMISSION RECALL - 2024-2025 CX-90 AND 2025 CX-70 PHEV ONLY - HYBRID SYSTEM WARNING LIGHT MAY TURN ON. Mazda Motor Corporation has decided to conduct an Emission Recall on certain 2024-2025 CX-90 and 2025 CX-70 PHEV vehicles. Please see the description, model, year, and VIN range below for all vehicles in this campaign. There are 38,812 vehicles affected by this concern in the U.S. and U.S. Territories…
• 11019162May 21, 2025Lane departure, Engine, Exterior lighting, Electrical system. The CX-70 and CX-90 have new and revised features that are different from previous models and may be difficult to understand. This Service Alert provides valuable information to support potential dealer and customer concerns.
• 11019180May 16, 2025Other or unknown. Mazda Navigation Live Traffic information is available on the following 2 systems. SiriusXM® 3 Yr Traffic and Travel Link* Mazda Online Navigation* The table below provides Setting information for both systems. See APPLICABLE MODEL(S)/VINS above to determine how vehicles are equipped. NOTE: When selecting Navigation, data upload may take a few seconds. This is a normal function.
• 11019179May 16, 2025Other or unknown, Electrical system, Exterior lighting, Engine. 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 " ".
• 11019178May 16, 2025Other or unknown. Frequently Asked Questions (FAQ) for Mazda Connected Services.
• 11019177May 16, 2025Other or unknown. Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
• 11019160May 16, 2025Visibility (wipers, defrost, mirrors). Some vehicles may exhibit wiper blade contact with the A-pillar trim, with or without a chattering noise. This condition may be caused by worn or contaminated wiper blades. It can also be caused by bent wiper arms, or loose wiper arm retaining nuts due to improper handling. Improper handling occurs when pulling on or forcing the wiper arms.
• 11019159May 14, 2025Transmission and drivetrain. Due to a manufacturing change, the CX-70/CX-90 transmission has undergone a transmission part design change when replacing the transmission assembly. Old design originally required a coolant line running to the top of the bell housing, the new design has omitted the hole and need for the coolant line. The new/superseded design can be used in place of the old/original design, and the coolant hose with fitting is no…

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