2025 Mazda CX-50 HybridService bulletins

2025 Mazda CX-50 Hybrid Technical Service Bulletins

144 technical service bulletins (TSBs) are on record for the 2025 Mazda CX-50 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.

11037632Sep 18, 2026Electrical system. 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. 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…
11037900Sep 17, 2026Other or unknown, Electrical system. Mazda Connected Services - Frequently Asked Questions (FAQ) This Service Alert supersedes the previously issued SAs listed below. The changes are noted in Red text.
11037899Sep 11, 2026Electrical system. 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 concern. Below are a few examples of unusual electrical concerns caused by aftermarket devices. Examples: 1. Devices…
11037634Sep 10, 2026Electrical system, Other or unknown. This Service Alert supersedes the previously issued service alert listed below. The changes are noted in Red text. SA-038/26 08/18/26 and 06/15/26 DESCRIPTION Some customers may complain about any of the following: 1. Infotainment Center Display does not provide the Authorization Code (OTP) during the MyMazda App
11037018Sep 4, 2026Electrical system, Engine, Other or unknown, Exterior lighting. This Service Alert supersedes the previously issued service alert listed below. The changes are noted in Red text. SA-038/26 06/15/26 DESCRIPTION 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 functions inoperative. Engine Start / Stop Door Lock / Unlock Lights ON /…
11037019Aug 19, 2026Electrical system, Other or unknown. This Service Alert supersedes the previously issued SA(s) listed below. The changes are noted in Red text. SA-039/26 06/15/26 Mazda Connect Symptom Troubleshooting DESCRIPTION Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
11037011Aug 19, 2026Electrical system, Wheels. This Service Alert supersedes the previously issued bulletin(s) listed below. The changes are noted in Red text. SA-006/23 01/23/23 DESCRIPTION Some customers may complain about the infotainment system and/or the MyMazda App showing incorrect clock and/or tire pressures and/or tire pressure missing. This may be caused by: Incorrect calendar entry (month/day/year) after a battery disconnect Infotainment system…
11037017Aug 7, 2026Other or unknown, Electrical system. This Service Alert supersedes the previously issued SA(s) listed below. The changes are noted in Red. SA-012/26 04/17/26, 03/04/26 and 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.
11037008Aug 7, 2026Other or unknown, Electrical system. DESCRIPTION Some vehicles may continue to display the recall notification "IMPORTANT NOTICE. VIEW VEHICLE STATUS MONITOR FOR DETAILS" on the center display even after the recall has been completed. NOTE: Once the warranty claim for the recall campaign is approved by Mazda Japan, the recall notification will be automatically removed via Connected Services on the following day or later.
11037005Aug 4, 2026Engine, Fuel system. Some customers may experience: The fuel fill door will not release until multiple button applications. The gas pump dispenser/nozzle is clicking off during refueling before the tank is full and it may take 1/2 to 1 gallon at a time. Check engine light on with DTCs. REPAIR PROCEDURE 1. Verify the customer concern. 2. Replace the evaporative shut valve according to the WSM on MGSS (FUEL SHUT-OFF VALVE…
11035606Jul 2, 2026Visibility (wipers, defrost, mirrors). This SA supersedes the previously issued SA(s) listed below. The changes are noted in Red. SA-063/24 09/06/24 DESCRIPTION The Blind Spot Monitoring (BSM) system can malfunction with the following symptoms if the rear side radar sensors are installed facing the wrong direction.
11034448Jul 1, 2026Engine, Electrical system, Other or unknown. This Service Alert supersedes the previously issued SAs listed below. The changes are noted in Red text. SA-017/25 12/16/25, 09/08/25, 07/14/25, 05/15/25 and 03/21/25 DESCRIPTION Mazda Connect Frequently Asked Questions (FAQ) Index General Questions MAZDA CONNECT Indication Setup and Getting Started Dealer Processes Registration / Enrollment / Take-Over Customer Subscription Status WI-FI General Informatio Opening…
11034292Jul 1, 2026Electrical system, Other or unknown. COMPLIANCE WITH NEW YORK STATE GENERAL BUSINESS LAW §399‑CCCCC (CONNECTED VEHICLE SERVICE; DOMESTIC VIOLENCE VICTIMS) DESCRIPTION This Service Information is issued in accordance with New York State General Business Law §399􀀀CCCCC (Connected Vehicle Service; Domestic Violence Victims).
11034844Jun 30, 2026Suspension. DESCRIPTION Some vehicles may exhibit a clicking, popping, tapping or knocking noise from the front end when turning left or right and accelerating. NOTE: The noise could occur at different steering wheel angles or power levels. Due to the insulating properties of the suspension and chassis, it can be difficult to determine which driveshaft is at fault by listening from inside the vehicle. See the attached video…
11034280Jun 30, 2026Electrical system, Other or unknown. UPDATED SOFTWARE RELEASE FOR CONCERNS WITH MAZDA CONNECT INFOTAINMENT SYSTEM This bulletin supersedes the previously issued bulletin(s) listed below. The changes are noted in Red. 16-002/26 01/12/26 DESCRIPTION The release notes outlined below provide an overview of bug fixes, feature improvements, and updates included in the latest software release. The latest version of software contains all the updates of the…
11034279Jun 30, 2026Other or unknown, Electrical system. UPDATED SOFTWARE RELEASE FOR CONCERNS WITH MAZDA CONNECT INFOTAINMENT SYSTEM This bulletin supersedes the previously issued bulletin(s) listed below. The changes are noted in Red. 16-001/26 01/08/26 DESCRIPTION The release notes outlined below provide an overview of bug fixes, feature improvements, and updates included in the latest software release. The latest version of software contains all the updates of the…
11034447Jun 19, 2026Electrical system, Engine. 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 asking if any aftermarket devices have been installed. Aftermarket devices may be the cause of the electrical concern.
11034439Jun 17, 2026Electrical system. This SA supersedes the previously issued bulletin(s) listed below. The changes are noted below in Red. SA-027/26 04/16/26 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 batteries and to generate a…
11034845Jun 16, 2026Electrical system. DESCRIPTION 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 " ".
11034444Jun 16, 2026Electrical system, Other or unknown. This Service Alert supersedes the previously issued SA(s) listed below. The changes are noted in Red. SA-009/25 08/22/25 and 02/18/25 DESCRIPTION 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. Index System Outline • MYMAZDA App Connected Vehicle (CV) Error Codes •…
11034443Jun 16, 2026Electrical system, Other or unknown. This Service Alert supersedes the previously issued SA listed below. The changes are noted in Red text. SA-012/25 10/06/25, 08/21/25, 05/15/25 and 02/27/25 DESCRIPTION Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure. REPAIR PROCEDURE NOTE: Before proceeding: Document the vehicle's current MAZDA CONNECT CMU software version. • 2019-2022 Models - Go to…
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…
11033447May 19, 2026Electrical system, Other or unknown. 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, 2026Other or unknown, Body and structure. 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…
11032006Apr 30, 2026Electrical system. Some vehicles may experience intermittent battery discharge. This may be caused by improperly installed door boots allowing water to enter into the central connectors C-22/C-23 (located near the A-pillar at the base of the left and right front doors), leading to corrosion in the connector. REPAIR PROCEDURE Replace the rear harness and the affected door harness with new ones, making sure to properly install the door…
11032014Apr 21, 2026Body and structure. During PDI, an indentation in the rear bumper may be noticed, or in some cases, the customer may return after delivery to report the indentation. Follow the steps below to repair the concern. REPAIR PROCEDURE Check the rear bumper for an indentation. Repair bumper.
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…
11032022Apr 17, 2026Suspension, Steering. DESCRIPTION Some vehicles may exhibit a clicking, popping, tapping or knocking noise from the front when turning left or right and accelerating. NOTE: The noise could occur at different steering wheel angles or power levels. Due to the insulating properties of the suspension and chassis, it can be difficult to determine which driveshaft is at fault by listening from inside the vehicle. See the attached video for an…
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…
11032107Apr 11, 2026Engine. 2025MY - CX-50 Hybrid System Failure DTC P2530 UPDATED April 10, 2026 – STANDALONE PROCEDURE IS BELOW. The repair is a software update OR a check to make sure the software is at the current level with an ODR upload. DO NOT STOP AT THE “SOFTWARE UPDATE SUMMARY” screen in MDARS. You must continue to finish all steps in the entire procedure. You must have a “Software Update” entry present in MDARS for the PT_GWU…
11032007Apr 10, 2026Transmission and drivetrain. HYBRID SYSTEM FAILURE DISPLAYED ON METER WITH DTC P2530:12 This bulletin supersedes the previously issued bulletin(s) listed below. The changes are noted in Red. 30-001/26 02/19/26 and 03/24/26 This technical service bulletin has been superseded to SSPE0. Concern Outline: When starting the vehicle, a Master Warning Light may turn on and a hybrid system failure message (Hybrid System Malfunction Have the Vehicle…
11030704Mar 25, 2026Engine. Subject: Notification of Special Service Program (SSPE0) - 2025 CX-50 Hybrid - Hybrid System Failure Displayed on Instrument Cluster (DTC P2530:12) Dear Mazda Dealer Colleagues, Mazda Motor Corporation has decided to conduct a Special Service Program on certain 2025 CX-50 Hybrid vehicles.
11030703Mar 25, 2026Engine. Subject: Notification of Special Service Program (SSPE0) - 2025 CX-50 Hybrid - Hybrid System Failure Displayed on Instrument Cluster (DTC P2530:12) Dear Mazda Dealer Colleagues, Mazda Motor Corporation has decided to conduct a Special Service Program on certain 2025 CX-50 Hybrid vehicles.
11030702Mar 25, 2026Engine. Subject: Notification of Special Service Program (SSPE0) - 2025 CX-50 Hybrid - Hybrid System Failure Displayed on Instrument Cluster (DTC P2530:12) Dear Mazda Dealer Colleagues, Mazda Motor Corporation has decided to conduct a Special Service Program on certain 2025 CX-50 Hybrid vehicles.
11030604Mar 24, 2026Engine, Other or unknown. DESCRIPTION Hybrid system failure displayed on meter with DTC P2530:12. (This TSB has been superseded to SSPE0). REPAIR PROCEDURE 1. Verify the customer concern. 2. Reprogram the PT_GWU with the Mazda Modular Diagnostic System (M-MDS), using Mazda Diagnostic And Repair Software (MDARS). Refer to MDARS ECU Reprogramming Procedure. WARNING: During module reprogramming, the engine cooling fan may turn on and off…
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, 2026Other or unknown, Electrical system. 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.
11029492Feb 21, 2026Body and structure. This SA supersedes the previously issued SA(s) listed below. The changes are noted in Red. SA-041/25 10/31/25 and 09/10/25 During PDI, an indentation in the rear bumper may be noticed, or in some cases, the customer may return after delivery to report the indentation. Follow the steps below to repair the concern.
11029239Feb 20, 2026Engine. This bulletin supersedes the previously issued bulletin(s) listed below. The changes are noted in Red. 30-001/25 06/30/25 and 05/15/25 Some customers may experience a hybrid system failure message appearing on the meter and the engine does not start, along with other numerous DTCs. This is caused by improper logic of the Powertrain Gateway Unit. To eliminate this concern, the control software of Powertrain Gateway…
11029226Feb 11, 2026Brakes. This bulletin supersedes the previously issued bulletin(s) listed below. The changes are noted in Red. 04-001/25 02/06/25 Some vehicles may experience the front inner brake pads wear out faster than the outside. This accelerated pad wear may be caused by dirt and sand easily adhering to the inner friction surface of the disc while driving. To eliminate this concern, the shape of the dust cover and the front brake…
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…
11028130Jan 20, 2026Other or unknown, Body and structure. Some customers may complain that a door beltline molding is loose, fell off, or is missing.
11028098Jan 13, 2026Seats. Some vehicles may exhibit a crack in the door side of the front seat cushion trim. Cracks develop along the areas where wrinkles form when weight is applied to the seat. When exiting the vehicle, the door-side surface of the cushion trim may be folded and compressed. When entering the vehicle, the surface of the cushion bolster may be rubbed and stretched. Repeated occurrences of these conditions may result in a…
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…
11028128Jan 6, 2026Wheels. Some customers may complain that the tire sidewalls are distorted or "damaged". Sidewall waviness/indentations/undulations are common on radial tires and are more noticeable on tires with taller sidewalls. The higher the tire pressure, the more noticeable the effect will be. Be sure to set the tire pressures at the recommended tire pressure on the vehicle tire label. Sidewall indentations are a cosmetic condition…
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.
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.
11026913Dec 17, 2025Electrical system, Other or unknown. Some customers may experience a message "TCU Malfunction. Have the Vehicle Inspected" in the instrument cluster. 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 UNIT/TELEMATICS COMMUNICATION UNIT
11026908Dec 17, 2025Electrical system, Other or unknown. Mazda Connect Services - Frequently Asked Questions (FAQ)

← All problems reported for the 2025 Mazda CX-50 Hybrid

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.