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Service bulletins for the 2021 Mazda CX-5

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

501 on file from NHTSA, as of 2026-10-19.

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Bulletins, newest first
SA-045-21b2021-09-03. Service bulletin. EQUIPMENT:ELECTRICAL; ENGINE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Connected vehicle remote functions inoperative and/or engine no start due to low battery voltage. Some customers may experience the following symptoms: Connected Vehicle Remote Functions inoperative after SSPC6 repair. Connected Vehicle Remote Functions inoperative on vehicles built July 1, 2021 and later.
SA-045-21a2021-09-03. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ENGINE; EQUIPMENT:ELECTRICAL. Connected vehicle remote functions inoperative and/or engine no start due to low battery voltage. Some customers may experience the following symptoms: Connected Vehicle Remote Functions inoperative after SSPC6 repair. Connected Vehicle Remote Functions inoperative on vehicles built July 1, 2021 and later.
01-006-21-3779a2021-09-03. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ENGINE AND ENGINE COOLING. This service bulletin 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 battery periodically according to the repair procedure.
09-021-21-3818a2021-08-24. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT. AUDIO, NAVIGATION AND PHONE CONCERNS WITH MAZDA CONNECT INFOTAINMENT SYSTEM (6TH GENERATION). All Mazda Connect vehicles in new car inventory must be updated to the software version listed below in this TSB as part of the New Car Ready Step 3 process. Make sure the new vehicle specialist receives a copy of this bulletin. Some vehicles may experience the symptoms mentioned below, which can be fixed with the latest software update (Version 70.00.367 or later). NOTE: For 2016 CX-9 with version earlier than 59.00.441, the tachometer function will be removed from the Active Driving Display as part of Mazdas continuing efforts to improve safety and reduce driver distraction.
09-025-21-38242021-08-24. Service bulletin. EQUIPMENT. This service bulletin provides information regarding the proper use of the driver’s floor mat to avoid any potential interference with the foot pedals. The following are possible causes of floor mat interference, which can be avoided with proper usage.
SSPC6c2021-08-03. Service bulletin. EQUIPMENT. (PERMANENTLY CANCELLED CAMPAIGN) - SSPC6 - 2021 CX-5 and CX-9 TELEMATICS COMMUNICATIONS UNIT (TCU) CONCERN: Please read the dealer email sent today, 7/15/2021. This campaign has been cancelled. Make sure all USB drives with SSPC6 Software are erased and reformatted.
SSPC6b2021-08-03. Service bulletin. EQUIPMENT. (PAUSE ALL REPAIRS!) - SSPC6 - 2021 CX-5 and CX-9 TELEMATICS COMMUNICATIONS UNIT (TCU) CONCERN: Please read the dealer email sent today. Attention: Please pause all repairs for this SSP due to the repair procedure needing to be updated. We will advise here when repairs can resume. Any repairs in progress should cease.
SSPC6a2021-08-03. Service bulletin. EQUIPMENT. SSPC6 - 2021 CX-5 and CX-9 TELEMATICS COMMUNICATIONS UNIT (TCU) CONCERN: On certain subject 2021 MY CX-5 & CX-9 vehicles, the electronic control unit (ECU) may not enter the power-saving mode under certain conditions, and a dark current may continue to flow even after the engine is turned off. If the vehicle is left unused in this condition over several days, the battery may drain and cause a no-start issue. This is due to the inappropriate software of the Telematics Communication Unit (TCU). To eliminate this concern, the Telematics Communication Unit (TCU) software has been modified.
SSPC62021-08-03. Service bulletin. EQUIPMENT. SSPC6 - 2021 CX-5 and CX-9 TELEMATICS COMMUNICATIONS UNIT (TCU) CONCERN: On certain subject 2021 MY CX-5 & CX-9 vehicles, the electronic control unit (ECU) may not enter the power-saving mode under certain conditions, and a dark current may continue to flow even after the engine is turned off. If the vehicle is left unused in this condition over several days, the battery may drain and cause a no-start issue. This is due to the inappropriate software of the Telematics Communication Unit (TCU). To eliminate this concern, the Telematics Communication Unit (TCU) software has been modified.
DRW412021-08-03. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. DRW41 - TELEMATICS COMMUNICATION UNIT (TCU) CONCERN - BATTERY DRAIN AND CONNECTED SERVICES. On certain subject 2021 MY CX-5 & CX-9 vehicles, a battery drain concern could occur due to the Telematics Communication Unit (TCU) not going to sleep. In addition, some vehicles were repaired under the cancelled campaign SSPC6, which caused Connected Services to no longer work. This Dealer Rework will repair all concerns to ensure the battery drain concern does not occur and restores Connected Services, if disabled from a prior software update. All Mazda dealers will update the subject vehicles with improved TCU software. This campaign will be expanded to include additional Mazda3 and CX-30 vehicles at a later date, please watch for additional announcements.
15-002-21-38122021-08-03. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. Some customers may experience a SBS/SCBS, LAS/LDWS and/or HBC warning light on. A system error message may also be found in the center display. DTC U3000:04-0A (Forward sensing camera (FSC) internal malfunction). DTC U3000:04-0A (Forward sensing camera (FSC) internal malfunction) is stored in the FSC module and cannot be erased. This concern may be caused by a hardware failure of an internal device of the FSC, which results in a malfunction detection. To eliminate this concern, the production process of the FSC has been modified.
SA-045-212021-08-03. Service bulletin. ELECTRICAL SYSTEM. Some customers may experience the following symptoms: Connected Vehicle Remote Functions inoperative after SSPC6 repair. Connected Vehicle Remote Functions inoperative on vehicles built July 1, 2021 and later. Engine no start due to low battery voltage.
09-016-21-3797a2021-08-02. Service bulletin. STRUCTURE. Some vehicles may exhibit rust or paint peeling at the inside edge of the front door(s). This may be caused by dust adhering between the front door edge and the rear door weatherstrip, which rubs/damages the paint during vehicle operation (door opening/closing and vibration while driving). NOTE: If the rust/paint peeling is seen on the outer side of the door, this service bulletin does not apply.
02-002-21-3769a2021-08-02. Service bulletin. WHEELS. Some automotive cleaning products contain strong acid or alkali. When these types of cleaners are used to clean the wheels on Mazda vehicles, the chemicals contents penetrate the clear coating of the wheel surface and damage the paint under the clear coating. The damaged area has the appearance of dark stains or discoloration.
SA-019-21a2021-07-02. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. MAZDA CONNECT SYMPTOM TROUBLESHOOTING [6TH GENERATION VEHICLES]. Use the symptom troubleshooting tables below to diagnose MAZDA CONNECT concerns.
SA-029-21a2021-07-02. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. APPLE CARPLAY / ANDRID AURO FREQUENTLY ASKED QUESTIONS (FAQ) The following vehicles are not equipped with Apple CarPlay / Android Auto, but it can be activated using MDARS. See Activation instructions on MGSS -> Infotainment -> MAZDA CONNECT Updates -> Apple Carplay / Android Auto MDARS Activation Instructions
SA-027-21a2021-07-02. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. MAZDA CONNECT Symptom Troubleshooting (7th Generation Vehicles). Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure
SA-013-21f2021-07-02. Service bulletin. ENGINE AND ENGINE COOLING; EXTERIOR LIGHTING; EQUIPMENT ADAPTIVE/MOBILITY. Some customers may complain about any of the following: Infotainment Center Display does not provide the Authorization Code during the MyMazda App Connected Vehicle enrollment (and Software Update Error message on 2020 Mazda3 only). Remote function(s) inoperative. Engine Start / Stop, Door Lock / Unlock, Lights ON / OFF, MAZDA CONNECT connected vehicle reception strength icon shows "X" or " ".
SA-030-21a2021-07-02. Service bulletin. EQUIPMENT. There are currently 2 methods for cutting a new auxiliary key blank. A. Auxiliary Key Trace Cut Method B. Auxiliary Key Code Cut Method A. Auxiliary Key Trace Cut Method If only one auxiliary key is lost/missing, some key cutting machines can trace cut a new key blank. 1. Trace cut the new auxiliary key blank(s). B. Auxiliary Key Code Cut Method If both auxiliary keys are lost/missing, use this method for cutting new auxiliary key blank(s). 1. Confirm you have access to a Mazda approved key cutting machine. See “Mazda Approved Key Cutting Machine” table.
SA-040-212021-07-01. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. Some vehicles may experience exterior trim heat damage when parked near a glass building or Low-E windows. This may be caused by the sun's reflection.
SA-041-212021-07-01. Service bulletin. EQUIPMENT. Accessory instructions can be found on OneMazda under Dealer Resources - Parts & Accessories. The links provided below can be used for quick access: For 2016 models and newer: NOTE: Instructions are found under the "Attachments" section once a part is selected. Accessories E-catalog For models prior to 2016: Accessory Parts and Installation Instructions
SA-042-212021-07-01. Service bulletin. AIR BAGS. Some customers may complain that the passenger seat belt warning light is ON and the PASS AIRBAG OFF indicator light is OFF with no front passenger in the seat. This may be caused by an electrical device (smart phone, tablet, laptop. etc.) placed on the front passenger's seat.
MT-003-212021-06-29. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. Some vehicles may experience exterior trim heat damage when parked near a glass building. This may be caused by the suns reflection. If a building creates enough of a curve with a series of flat windows, which act like mirrors, the reflections all converge at one point, focusing and concentrating the light onto the street below.
09-012-21-3801a2021-06-29. Service bulletin. ELECTRICAL SYSTEM; LATCHES/LOCKS/LINKAGES; ENGINE AND ENGINE COOLING. Some customers may experience all of following symptoms: The door lock/unlock operation will not work using the remote transmitter button. The door lock/unlock operation will not work using the door lock/release touch sensor. The engine will not start using the ignition switch. This is caused when excess load is applied to the remote transmitter and the electrical terminals in it may be deformed, causing poor contact with the battery. To eliminate this concern, the structure in the remote transmitter has been modified to reduce the deformation of the electrical terminals.
SA-034-212021-06-03. Service bulletin. EQUIPMENT. When performing vehicle services such as control unit software update, control unit registration/activation, CMU log data retrieval, etc., always use the DCA8000 OR GR8 battery charger SST to maintain battery voltage.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.