2025 Mazda CX-90 Plug-In Hybrid Technical Service Bulletins

129 technical service bulletins (TSBs) are on record for the 2025 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.

• 11033446Jun 4, 2026Electrical system. This SA supersedes the previously issued SA(s) listed below. The changes are noted below in Red. SA-029/25 10/16/25 and 06/02/25 DESCRIPTION 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…
• 11033114May 30, 2026Brakes. Some vehicles may exhibit a squeaking noise from the rear brake during deceleration, and the noise is particularly noticeable during braking when the brakes are cold. This is caused by the brake pad(s) having difficulty contacting evenly with the rotor surface during light braking due to wear and/or deformation of the brake pad(s). To eliminate this concern, the shape of the rear brake pads will be modified.
• 11033592May 29, 2026Brakes. CSP14 CSP15 Subject: Mazda Rear Brake Pad Customer Service Program Limited Warranty Extension – (CSP14 – CX-90 models) - Phase 1 Mailing – May 2026 In late April we announced two Customer Service Programs (CSP14 & CSP15) where certain vehicles are covered under these two Limited Warranty Extensions, (defined as “Covered Vehicle”); 2024-2026 CX-90 (CSP14) and 2025-2026 CX-70 (CSP15) produced November 18, 2025 and…
• 11033591May 29, 2026Brakes. CSP14 CSP15 Subject: Mazda Rear Brake Pad Customer Service Program Limited Warranty Extension – (CSP14 – CX-90 models) - Phase 1 Mailing – May 2026 In late April we announced two Customer Service Programs (CSP14 & CSP15) where certain vehicles are covered under these two Limited Warranty Extensions, (defined as “Covered Vehicle”); 2024-2026 CX-90 (CSP14) and 2025-2026 CX-70 (CSP15) produced November 18, 2025 and…
• 11033590May 29, 2026Brakes. CSP14 CSP15 Subject: Mazda Rear Brake Pad Customer Service Program Limited Warranty Extension – (CSP14 – CX-90 models) - Phase 1 Mailing – May 2026 In late April we announced two Customer Service Programs (CSP14 & CSP15) where certain vehicles are covered under these two Limited Warranty Extensions, (defined as “Covered Vehicle”); 2024-2026 CX-90 (CSP14) and 2025-2026 CX-70 (CSP15) produced November 18, 2025 and…
• 11033589May 29, 2026Brakes. CSP14 – 2024-2026 CX-90 Subject: Mazda Rear Brake Pad Customer Service Program Limited Warranty Extension – (CSP14 – CX-90 models) - Phase 1 Mailing – May 2026 In late April we announced two Customer Service Programs (CSP14 & CSP15) where certain vehicles are covered under these two Limited Warranty Extensions, (defined as “Covered Vehicle”); 2024-2026 CX-90 (CSP14) and 2025-2026 CX-70 (CSP15) produced November 18…
• 11033588May 29, 2026Brakes. CSP14 – 2024-2026 CX-90 Subject: Mazda Rear Brake Pad Customer Service Program Limited Warranty Extension – (CSP14 – CX-90 models) - Phase 1 Mailing – May 2026 In late April we announced two Customer Service Programs (CSP14 & CSP15) where certain vehicles are covered under these two Limited Warranty Extensions, (defined as “Covered Vehicle”); 2024-2026 CX-90 (CSP14) and 2025-2026 CX-70 (CSP15) produced November 18…
• 11033587May 29, 2026Brakes. CSP14 – 2024-2026 CX-90 Subject: Mazda Rear Brake Pad Customer Service Program Limited Warranty Extension – (CSP14 – CX-90 models) - Phase 1 Mailing – May 2026 In late April we announced two Customer Service Programs (CSP14 & CSP15) where certain vehicles are covered under these two Limited Warranty Extensions, (defined as “Covered Vehicle”); 2024-2026 CX-90 (CSP14) and 2025-2026 CX-70 (CSP15) produced November 18…
• 11033586May 29, 2026Brakes. CSP14 – 2024-2026 CX-90 Subject: Mazda Rear Brake Pad Customer Service Program Limited Warranty Extension – (CSP14 – CX-90 models) - Phase 1 Mailing – May 2026 In late April we announced two Customer Service Programs (CSP14 & CSP15) where certain vehicles are covered under these two Limited Warranty Extensions, (defined as “Covered Vehicle”); 2024-2026 CX-90 (CSP14) and 2025-2026 CX-70 (CSP15) produced November 18…
• 11033117May 29, 2026Body and structure. This bulletin supersedes the previously issued bulletin(s) listed below. The changes are noted in Red. 09-031/25 08/05/25 DESCRIPTION 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.
• 11033116May 21, 2026Seats. Some customers may complain that a rattling noise is heard from the second seat while driving under various vehicle speeds and road conditions. This is caused by the hinge cover of the second seat becoming deformed, resulting in looseness and a rattling noise. To eliminate this concern, the structure of the second seat hinge cover was revised to increase strength and prevent deformation. REPAIR PROCEDURE 1. Verify…
• 11033441May 20, 2026Fuel system. DESCRIPTION When refueling, you may occasionally notice: A gurgling sound from the fuel filler neck. The gas dispenser nozzle clicks off before the tank is full. Fuel vapor or mist from the filler neck. This can occur if 20 minutes have elapsed after pressing the fuel lid button and the fuel tank has resealed the Vapor Recovery System (VRS) before refueling is complete. Before Refueling: 1. Press the fuel-filler…
• 11033447May 19, 2026Other or unknown, Electrical system. This service alert supersedes the previously issued service alert listed below. The changes are noted in Red text. SA-047/25 10/07/25 DESCRIPTION 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. CAUTION: DO NOT swap TCU with…
• 11032104Apr 30, 2026Body and structure, Other or unknown. 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 One Mazda. To obtain a replacement vehicle certification label (located on the B􀀀pillar or front door), contact your…
• 11032011Apr 23, 2026Brakes. Dear Mazda Owner: You are receiving this notice because Mazda’s records indicate that you have a 2024-2026 Mazda CX-90 vehicle manufactured before November 19, 2025.
• 11032010Apr 23, 2026Brakes. Subject: Mazda Rear Brake Pad Customer Service Program Limited Warranty Extension – (CSP14 – CX-90 models) and (CSP15 – CX-70 models) Mazda Motor Corporation has decided to implement two Customer Service Programs (CSP14 & CSP15). The coverage and terms for affected VINs are listed below in this Dealer email and in the Owner Letter.
• 11032009Apr 23, 2026Brakes. Subject: Mazda Rear Brake Pad Customer Service Program Limited Warranty Extension – (CSP14 – CX-90 models) and (CSP15 – CX-70 models) Mazda Motor Corporation has decided to implement two Customer Service Programs (CSP14 & CSP15). The coverage and terms for affected VINs are listed below in this Dealer email and in the Owner Letter.
• 11032008Apr 23, 2026Brakes. Subject: Mazda Rear Brake Pad Customer Service Program Limited Warranty Extension – (CSP14 – CX-90 models) and (CSP15 – CX-70 models) Mazda Motor Corporation has decided to implement two Customer Service Programs (CSP14 & CSP15). The coverage and terms for affected VINs are listed below in this Dealer email and in the Owner Letter.
• 11032023Apr 22, 2026Electrical system. DESCRIPTION Some vehicles may experience one or more of the following DTCs with the Hybrid system warning light on. This may be caused by an issue with the sub battery located under the passenger floor. P143B Backup power supply system: Sub battery power supply low input. • U3008:01 BPS Backup power supply unit input/output circuit over-current/voltage malfunction. • U3003:17 BPS The output voltage sensor in the…
• 11032015Apr 18, 2026Electrical system, Other or unknown. Some customers may experience a message "TCU Malfunction. Have the Vehicle Inspected" in the instrument cluster. Additional symptoms that may occur: Connected Vehicle One Time Passcode (OTP) may fail. • Connected Vehicle Remote functions may fail. • The following DTC's may be stored: B1252:87-8B:TCU - COMMUNICATION ERROR WITH CONNECTIVITY MASTER UNIT (CMU) • U0198:00-03:CMU - COMMUNICATION ERROR WITH EMERGENCY CALL…
• 11032102Apr 15, 2026Electrical system. This SA supersedes the previously issued bulletin(s) listed below. The changes are noted below in Red. SA-007/25 10/22/25, 06/02/25 and 02/03/25 DESCRIPTION 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…
• 11030636Mar 11, 2026Engine. This Service Alert supersedes the previously issued SA(s) and TSB(s) listed below: The changes are noted in Red. SA-035/24 05/31/24 DESCRIPTION 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 and the criteria if replacement is necessary or not. A…
• 11030631Mar 4, 2026Electrical system, Other or unknown. This Service Alert supersedes the previously issued SA(s) listed below. The changes are noted in Red. SA-012/26 02/26/2026 DESCRIPTION Some customers may experience a message "TCU Malfunction. Have the Vehicle Inspected" in the instrument cluster. Additional symptoms that may occur: Connected Vehicle One Time Passcode (OTP) may fail. Connected Vehicle Remote functions may fail.
• 11029531Feb 27, 2026Electrical system, Other or unknown. This Service Alert supersedes the previously issued SA(s) listed below. The changes are noted in Red. SA-060/25 12/16/25 Some customers may experience a message "TCU Malfunction. Have the Vehicle Inspected" in the instrument cluster. Additional symptoms that may occur: Connected Vehicle One Time Passcode (OTP) may fail. Connected Vehicle Remote functions may fail.
• 11029238Feb 26, 2026Exterior lighting. This bulletin supersedes the previously issued bulletin(s) listed below. The changes are noted in Red. 09-019/25 04/15/25 Some vehicles equipped with the Adaptive Front lighting System (AFS) may exhibit the exterior light warning light/exterior light warning indication on while driving or when the ignition is turned on and DTC B10A3:86 (Error signal received from swivel actuator (LH)) stored in memory.
• 11029225Feb 26, 2026Engine. Some vehicles may exhibit green residue (yellow circle) on the outer surface of the coolant reserve tank, which appears to be coolant blowback. This is caused by coolant seeping out and appearing as leakage from small pores (slight gaps) formed due to the deterioration of the coolant reserve tank (sub) material. To eliminate this concern, the material of the coolant reserve tank (sub) will be modified.
• 11029494Feb 25, 2026Seats. This Service Alert supersedes the previously issued SA(s) listed below. The changes are noted in Red. SA-063/23 10/16/23 Customers may report issues with third-row seats, loose or damaged trim, not folding down, binding when folding up, and other concerns. The technician may notice the cargo floor is out of place and may attempt to replace parts as defective. This is due to the cargo floor being uneven and/or…
• 11029228Feb 20, 2026Body and structure. Some vehicles exhibit creaking noise from the left side power liftgate (PLG) drive unit when moving (opening/closing) the power liftgate by hand and /or automatically. The noise tends to occur during moving, particularly at the start of opening or closing. As the condition progresses, it may be accompanied by functional issues such as increased operating effort, a “hard to move” feeling, or the PLG stops partway…
• 11029227Feb 11, 2026Body and structure. This bulletin supersedes the previously issued bulletin(s) listed below. The changes are noted in Red. 09-021/25 04/23/25 Some customers may complain about a creaking noise coming from the door area when driving on rough roads. This may be caused by a stick-slip occuring as plastic components of the door latch deform due to external forces applied from the striker to the latch and actuator.
• 11028093Feb 3, 2026Engine. 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…
• 11028133Jan 26, 2026Other or unknown. There are currently 2 methods for cutting a new auxiliary key blank. A. Auxiliary Key Trace Cut Method • B. Auxiliary Key Code Cut Method 2019 and newer models require a 10-digit key code to accurately cut keys • 5-digit codes CANNOT be provided for 2019 and newer vehicles (the traditional 5-digit code from the key tag or driver's door lock cylinder is not sufficient and will not be issued for key cutting on these…
• 11028138Jan 23, 2026Engine. Subject: Mazda Service Program MSP66 - Engine Warning Light Illumination with DTC P0DAB 2024-2026 CX-90 and 2025-2026 CX-70, with H3T M Hybrid Boost. Mazda Motor Corporation has decided to conduct a Mazda Service Programs (MSP66) for vehicles in the U.S. and U.S. Territories. Mazda vehicles sold in Canada and Mexico are also affected by this program and must be repaired if presented to your dealership.
• 11028136Jan 23, 2026Engine. Subject: Mazda Service Program MSP66 - Engine Warning Light Illumination with DTC P0DAB 2024-2026 CX-90 and 2025-2026 CX-70, with H3T M Hybrid Boost. Mazda Motor Corporation has decided to conduct a Mazda Service Programs (MSP66) for vehicles in the U.S. and U.S. Territories. Mazda vehicles sold in Canada and Mexico are also affected by this program and must be repaired if presented to your dealership.
• 11028095Jan 7, 2026Seats. There are wrinkles on the leather seat cushion and/or seat back surface at PDI, when new vehicle is delivered, or when new upholstery is installed under Warranty repair. NOTE: This repair is not a permanent fix, it is meant to make new seats look their best when the vehicle is first presented to the customer. Wrinkles may not be completely removed after the repair is completed. Leather is a natural material and may…
• 11028139Jan 6, 2026Engine. Subject: Mazda Service Program MSP66 - Engine Warning Light Illumination with DTC P0DAB 2024-2026 CX-90 and 2025-2026 CX-70, with H3T M Hybrid Boost. Mazda Motor Corporation has decided to conduct a Mazda Service Programs (MSP66) for vehicles in the U.S. and U.S. Territories. Mazda vehicles sold in Canada and Mexico are also affected by this program and must be repaired if presented to your dealership.
• 11028134Jan 6, 2026Engine. Subject: Mazda Service Program MSP66 - Engine Warning Light Illumination with DTC P0DAB 2024-2026 CX-90 and 2025-2026 CX-70, with H3T M Hybrid Boost. Mazda Motor Corporation has decided to conduct a Mazda Service Programs (MSP66) for vehicles in the U.S. and U.S. Territories. Mazda vehicles sold in Canada and Mexico are also affected by this program and must be repaired if presented to your dealership.
• 11028129Jan 6, 2026Electrical system, Body and structure. Customers may report that the liftgate does not open or unlatch (from closed or an ajar position). This may happen after a discharged battery or after charging a dead battery.
• 11028127Jan 5, 2026Other 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.
• 11026920Dec 19, 2025Engine. Subject: Mazda Service Program MSP66 - Engine Warning Light Illumination with DTC P0DAB 2024-2026 CX-90 and 2025-2026 CX-70, with H3T M Hybrid Boost. Mazda Motor Corporation has decided to conduct a Mazda Service Programs (MSP66) for vehicles in the U.S. and U.S. Territories. Mazda vehicles sold in Canada and Mexico are also affected by this program and must be repaired if presented to your dealership.
• 11026921Dec 17, 2025Engine. Subject: Mazda Service Program MSP66 - Engine Warning Light Illumination with DTC P0DAB 2024-2026 CX-90 and 2025-2026 CX-70, with H3T M Hybrid Boost. Mazda Motor Corporation has decided to conduct a Mazda Service Programs (MSP66) for vehicles in the U.S. and U.S. Territories. Mazda vehicles sold in Canada and Mexico are also affected by this program and must be repaired if presented to your dealership.
• 11026917Dec 17, 2025Electrical system. 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 concern. Below are a few examples of unusual electrical concerns caused by aftermarket devices.
• 11026908Dec 17, 2025Electrical system, Other or unknown. Mazda Connect Services - Frequently Asked Questions (FAQ)
• 11026916Dec 16, 2025Electrical system, Engine, Exterior lighting. 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 " ". Page
• 11026919Dec 15, 2025Engine. Subject: Mazda Service Program MSP66 - Engine Warning Light Illumination with DTC P0DAB 2024-2026 CX-90 and 2025-2026 CX-70, with H3T M Hybrid Boost. Mazda Motor Corporation has decided to conduct a Mazda Service Programs (MSP66) for vehicles in the U.S. and U.S. Territories. Mazda vehicles sold in Canada and Mexico are also affected by this program and must be repaired if presented to your dealership.
• 11026918Dec 11, 2025Engine. Subject: Mazda Service Program MSP66 - Engine Warning Light Illumination with DTC P0DAB 2024-2026 CX-90 and 2025-2026 CX-70, with H3T M Hybrid Boost. Mazda Motor Corporation has decided to conduct a Mazda Service Programs (MSP66) for vehicles in the U.S. and U.S. Territories. Mazda vehicles sold in Canada and Mexico are also affected by this program and must be repaired if presented to your dealership.
• 11026354Nov 27, 2025Transmission and drivetrain. When inspected, the differential or PTO oil is dark or black. This is considered normal and NO repair should be performed. During production, differential ring and pinion gears receive a manganese phosphate coating (commonly referred to as black oxide). This coating forms a porous, oil-retentive surface that improves boundary lubrication and reduces adhesive wear during initial contact cycles. Designed as a…
• 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.

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