2026 Mazda CX-50Service bulletins

2026 Mazda CX-50 Technical Service Bulletins

70 technical service bulletins (TSBs) are on record for the 2026 Mazda CX-50. 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.

11037896Sep 25, 2026Body and structure. Subject: Notification of Dealer Re-Work (DRW60) – 2026MY CX-50 and CX-50 Hybrid - Rear Door Glass Holder Detach Issue Dear Mazda Dealer Colleagues, Mazda Motor Corporation has decided to conduct a Dealer Re-Work on certain 2026MY CX-50 and CX-50 Hybrid vehicles. Please see the description, model, year, and VIN range below. Concern Outline: On certain subject vehicles, the rear door glass holder may detach from the…
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, 2026Electrical system, Other or unknown. 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, 2026Other or unknown, Electrical system. 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, 2026Engine, Other or unknown, Exterior lighting, Electrical system. 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, 2026Wheels, Electrical system. 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…
11036714Aug 19, 2026Body and structure, Other or unknown. Subject: Notification of Dealer Re-Work (DRW60) – 2026MY CX-50 and CX-50 Hybrid - Rear Door Glass Holder Detach Issue Dear Mazda Dealer Colleagues, Mazda Motor Corporation has decided to conduct a Dealer Re-Work on certain 2026MY CX-50 and CX-50 Hybrid vehicles. Please see the description, model, year, and VIN range below. Concern Outline: On certain subject vehicles, the rear door glass holder may detach from the…
11036716Aug 12, 2026Body and structure. Subject: Notification of Dealer Re-Work (DRW60) – 2026MY CX-50 and CX-50 Hybrid - Rear Door Glass Holder Detach Issue Dear Mazda Dealer Colleagues, Mazda Motor Corporation has decided to conduct a Dealer Re-Work on certain 2026MY CX-50 and CX-50 Hybrid vehicles. Please see the description, model, year, and VIN range below. Concern Outline: On certain subject vehicles, the rear door glass holder may detach from the…
11036712Aug 12, 2026Body and structure, Other or unknown. Subject: Notification of Dealer Re-Work (DRW60) – 2026MY CX-50 and CX-50 Hybrid - Rear Door Glass Holder Detach Issue Dear Mazda Dealer Colleagues, Mazda Motor Corporation has decided to conduct a Dealer Re-Work on certain 2026MY CX-50 and CX-50 Hybrid vehicles. Please see the description, model, year, and VIN range below. Concern Outline: On certain subject vehicles, the rear door glass holder may detach from the…
11036710Aug 12, 2026Body and structure. Subject: Notification of Dealer Re-Work (DRW60) – 2026MY CX-50 and CX-50 Hybrid - Rear Door Glass Holder Detach Issue Dear Mazda Dealer Colleagues, Mazda Motor Corporation has decided to conduct a Dealer Re-Work on certain 2026MY CX-50 and CX-50 Hybrid vehicles. Please see the description, model, year, and VIN range below. Concern Outline: On certain subject vehicles, the rear door glass holder may detach from the…
11037017Aug 7, 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 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.
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…
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, 2026Engine, Electrical system. 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…
11033445May 2, 2026Fuel system. This SA supersedes the previously issued SA(s) listed below. The changes are noted in Red. SA-011/25 10/16/25 and 02/27/25 DESCRIPTION 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…
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…
11032103Apr 21, 2026Transmission and drivetrain, Engine, Brakes, Other or unknown. This Service Alert supersedes the previously issued SA listed below: The changes are noted in Red. SA-011/24 02/12/24, 06/06/24, 07/29/24 DESCRIPTION Mazda has developed factory recommended scheduled maintenance services that support all major vehicle systems. Mazda recommends dealers follow the scheduled maintenance tables as cited in the vehicle-specific workshop manual or owner's manual. Services performed…
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…
11032101Apr 16, 2026Engine. This Service Alert supersedes the previously issued M-Tip(s) listed below. The changes are noted in Red text. MT-002/19 09/30/19 and 12/19/19 DESCRIPTION If an engine assembly is replaced after a catastrophic internal mechanical failure, clean the intake manifold internally before installing a replacement engine assembly. If the intake manifold is not cleaned properly, the replacement engine may fail prematurely.
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…
11032100Apr 4, 2026Body and structure, Electrical system. This Service Alert supersedes the previously issued SAs and bulletin(s) listed below: The changes are noted below in red. SA-010/23 02/09/23 DESCRIPTION Some customers may experience one or more electrical malfunctions after a vehicle body repair. A newly painted fender stay (2) may be causing a poor front harness (1) ground connection. The front fender stay (2) newly painted surface at ground point (3), where…
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, 2026Other or unknown, Electrical system. 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.
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, 2026Body and structure, Other or unknown. 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, 2025Other or unknown, Electrical system. 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)
11026916Dec 16, 2025Electrical 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 " ". Page

← All problems reported for the 2026 Mazda CX-50

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.