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.
By type
By component
By trouble code
By topic
| MT-001-21 | 2021-04-05. Service bulletin. ELECTRICAL 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 Workshop Manual diagnosis. Aftermarket devices may be the cause of the electrical concern. Ask the customer if any aftermarket devices have been installed. |
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| SA-012-21a | 2021-03-03. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING. MAZDA CONNECTED SERVICES - FREQUENTLY ASKED QUESTIONS (FAQ): Index: General Questions, Setup and Getting Started, Registration / Enrollment, WI-FI General Information, WI-FI How-To, WI-FI Trial Period, Interacting With The App, Service Issues, Troubleshooting, Reception Level Inspection, Dealer Processes, Conditions for Remote Engine Start Will Not Function, Conditions for Remote Engine Start Function Will turn engine OFF, Educational Videos, Resources |
| SA-012-21 | 2021-03-03. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY. MAZDA CONNECTED SERVICES - FREQUENTLY ASKED QUESTIONS (FAQ): Index: General Questions, Setup and Getting Started, Registration / Enrollment, WI-FI General Information, WI-FI How-To, WI-FI Trial Period, Interacting With The App, Service Issues, Troubleshooting, Reception Level Inspection, Dealer Processes, Conditions for Remote Engine Start Will Not Function, Conditions for Remote Engine Start Function Will turn engine OFF, Educational Videos, Resources |
| SA-013-21a | 2021-03-03. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EXTERIOR LIGHTING; LATCHES/LOCKS/LINKAGES. IMPORTANT NOTE: Some 2020 Mazda3 vehicles may have incorrect infotainment software version 10042 installed. The incorrect software will cause MyMazda App Connected Vehicle enrollment errors. Go to SSPC1. 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 |
| SA-013-21 | 2021-03-03. Service bulletin. ENGINE AND ENGINE COOLING; LATCHES/LOCKS/LINKAGES; EXTERIOR LIGHTING. IMPORTANT NOTE: Some 2020 Mazda3 vehicles may have incorrect infotainment software version 10042 installed. The incorrect software will cause MyMazda App Connected Vehicle enrollment errors. Go to SSPC1. 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 |
| SA-014-21 | 2021-03-03. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Some customers may complaint about an infotainment reboot. The infotainment system recovers if the Navigation SD card is removed (see attached video). Mazda is currently investigating this concern. Contact Hotine for the latest information. |
| SA-016-21 | 2021-03-03. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. Some customers may complain about not being able to answer an iPhone incoming call via Bluetooth using the steering wheel controls or the commander switch. The infotainment center display answer button may be grayed out. This may be caused by an iPhone phone setting with iOS 14.2 and iOS 14.3. No vehicle repair is needed. |
| 01-006-21-3779 | 2021-03-03. Service bulletin. ELECTRICAL SYSTEM. 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. |
| 01-005-21-3778 | 2021-03-03. Service bulletin. ELECTRICAL SYSTEM. The Mazda DCA-8000PM is required for all warranty battery testing. If the Mazda DCA-8000PM 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. |
| 01-004-21-3773 | 2021-03-03. Service bulletin. ENGINE AND ENGINE COOLING. Some vehicles may have the check engine light on with DTC P0524:00 or P055F:00 stored in memory. Contamination in the engine oil may cause the engine oil solenoid valve to become stuck, resulting in improper operation of the oil pump and improper oil pressure. |
| SA-008-21 | 2021-02-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL. DTC P0942:49 is missing from the Workshop Manual on MGSS. Follow the repair procedure below to repair the vehicle until the information is added. |
| SA-007-21 | 2021-02-06. Service bulletin. SEATS. Some customers may complain that their seat warmers or seat ventilation do not turn on when the engine is restarted after being left on when turning off the engine. The logic has changed from previous Mazdas where the seat warmers and seat ventilation automatically turned on when the engine was restarted. |
| SA-006-21 | 2021-02-06. Service bulletin. STRUCTURE:BODY. The purpose of this Service Alert is to remind dealers to keep the protective films on the piano black door garnishes attached until just before delivering the vehicle to the customer. The protective films are attached on new vehicles when shipped from the factory in order to avoid being scratched during transportation and while in dealer stock. |
| 09-004-21-3772 | 2021-02-05. Service bulletin. STRUCTURE. Some vehicles may experience stains appearing on the hood, roof and/or trunk of the vehicle. This concern is most likely to be found in a cold weather areas just after the RAPGARD is removed at PDI. This may be caused by moisture which has been trapped and condensed between the paint and the RAPGARD. These types of stains can be removed with a heat gun or an infrared drier. |
| 09-003-21-3771 | 2021-02-05. Service bulletin. STRUCTURE:BODY. When encountering a vehicle with paint damage, refer to the "Mazda Paint Warranty Guide" to determine cause, prevention, remedy, and warranty coverage (if applicable). |
| 09-002-21-3770 | 2021-02-05. Service bulletin. ELECTRICAL SYSTEM; VEHICLE SPEED CONTROL; EQUIPMENT. In accordance with Federal regulations, follow the procedure listed below when replacing a speedometer |
| 07-001-21-3775 | 2021-02-05. Service bulletin. EQUIPMENT. A musty/mildew type odor may come from the vents when the air conditioning (A/C) system is operating. It is most noticeable when the A/C is first turned ON. This odor is the result of mold growth in the A/C evaporator/cooling unit which is caused by condensation, dust, and pollen within the cooling unit. This condition is usually worse during high humidity conditions. “Mazda Air Cooling Coil Coating” is available to encapsulate the mold to reduce odors. If the product is properly applied, it can effectively reduce the musty/mildew odor for up to three years. |
| 02-003-21-3777 | 2021-02-05. Service bulletin. STEERING. Some customers may complain that the steering wheel is off center more than 3° even when driving straight on a flat road. |
| 02-002-21-3769 | 2021-02-05. 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. |
| 01-003-21-3776 | 2021-02-05. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; EQUIPMENT. Some vehicles may experience the CHECK ENGINE LIGHT ON with DTC P2610 and P2507 stored in memory after engine start and room fuse 15A (A) removed. P2610:00: Instrument cluster internal engine off timer performance problem. P2507:00: PCM battery voltage low input |
| 01-002-21-3767 | 2021-02-05. Service bulletin. ENGINE AND ENGINE COOLING. Some vehicle may exhibit a tapping noise from the engine during idling; etc., and synchronized to the engine rpm. The tapping noise may be caused by the switchable hydraulic lash adjuster (HLA), which may not work properly due to air bubbles accumulated in the oil passage in it. |
| 00-001-21-3768 | 2021-02-05. Service bulletin. STEERING; WHEELS; POWER TRAIN; ENGINE AND ENGINE COOLING. 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 outside of Mazda's factory scheduled maintenance are not recommended. These services are unnecessary and create unneeded expenses for your customers. |
| SA266 | 2021-02-01. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. MAZDA Mobile start (MMS) cannot communicate with vehicle |
| SA-031-20k | 2021-01-06. Service bulletin. ELECTRICAL SYSTEM; LATCHES/LOCKS/LINKAGES; ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY. CONNECTED VEHICLE SYMPTOM TROUBLESHOOTING: IMPORTANT NOTE: Some 2020 Mazda3 vehicles may have incorrect infotainment software version 10042 installed. The incorrect software will cause MyMazda App Connected Vehicle enrollment errors. Go to SSPC1. 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 |
| SA-004-20c | 2021-01-06. Service bulletin. EQUIPMENT. In order to ensure key code security, MNAO has restricted key code access for the new auxiliary key. This Service Alert provides information on how to obtain the 10-digit key code needed for cutting a new auxiliary key blank if all auxiliary keys are lost. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.