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Service bulletins for the 2020 Mazda CX-9

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.

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

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Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
CSP05d2021-03-03. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. MULTI-MODEL - MAZDA MOBILE START CUSTOMER SATISFACTION PROGRAM (CSP05). As shared previously, due to planned industry-wide changes in mobile network infrastructure and wireless technology, the Mazda Mobile Start (MMS) accessory was no longer offered beginning with 20MYvehicles. These technology changes are scheduled to occur in late 2021 as our service provider transitions away from a 3G network which currently supports the MMS application and its vehicle operations for all active legacy accounts. As a result, the MMS application and its vehicle operations will no longer work after September 30. 2021 for these legacy accounts and their respective vehicle owners. In an effort to provide advance notice and be transparent, and also to lessen the inconvenience of this situation - On 11/12/2020, all active MMS account holders will be informed of this news and will be presented with their choice of one of following goodwill offers: A new, replacement remote-engine start system (key fob transmitter type), Installation of Apple CarPlay / Android Auto, A $1000 voucher towards the purchase or lease of a new Mazda vehicle
CSP05c2021-03-03. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. MULTI-MODEL - MAZDA MOBILE START CUSTOMER SATISFACTION PROGRAM (CSP05). As shared previously, due to planned industry-wide changes in mobile network infrastructure and wireless technology, the Mazda Mobile Start (MMS) accessory was no longer offered beginning with 20MYvehicles. These technology changes are scheduled to occur in late 2021 as our service provider transitions away from a 3G network which currently supports the MMS application and its vehicle operations for all active legacy accounts. As a result, the MMS application and its vehicle operations will no longer work after September 30. 2021 for these legacy accounts and their respective vehicle owners. In an effort to provide advance notice and be transparent, and also to lessen the inconvenience of this situation - On 11/12/2020, all active MMS account holders will be informed of this news and will be presented with their choice of one of following goodwill offers: A new, replacement remote-engine start system (key fob transmitter type), Installation of Apple CarPlay / Android Auto, A $1000 voucher towards the purchase or lease of a new Mazda vehicle
CSP05b2021-02-05. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. MULTI-MODEL - MAZDA MOBILE START CUSTOMER SATISFACTION PROGRAM. As shared previously, due to planned industry-wide changes in mobile network infrastructure and wireless technology, the Mazda Mobile Start (MMS) accessory was no longer offered beginning with 20MYvehicles. These technology changes are scheduled to occur in late 2021 as our service provider transitions away from a 3G network which currently supports the MMS application and its vehicle operations for all active legacy accounts. As a result, the MMS application and its vehicle operations will no longer work after September 30. 2021 for these legacy accounts and their respective vehicle owners. In an effort to provide advance notice and be transparent, and also to lessen the inconvenience of this situation - On 11/12/2020, all active MMS account holders will be informed of this news and will be presented with their choice of one of following goodwill offers: A new, replacement remote-engine start system (key fob transmitter type), Installation of Apple CarPlay / Android Auto, A $1000 voucher towards the purchase or lease of a new Mazda vehicle
09-002-21-37702021-02-05. Service bulletin. ELECTRICAL SYSTEM; VEHICLE SPEED CONTROL; EQUIPMENT. In accordance with Federal regulations, follow the procedure listed below when replacing a speedometer
07-001-21-37752021-02-05. 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.
01-003-21-37762021-02-05. 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
SA2662021-02-01. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. MAZDA Mobile start (MMS) cannot communicate with vehicle
SA-039-20b2021-01-06. Service bulletin. STRUCTURE; TRAILER HITCHES; EQUIPMENT ADAPTIVE/MOBILITY. The 2020 CX9 Grand Touring and Signature trims come standard with a liftgate handsfree foot-motion detection unit located on the inner surface of the rear bumper. This location is also where the accessory trailer hitch (P/N 0000-8E-N31/0000-8EN31A) is designed to be installed. Due to this location conflict, the foot-motion detection unit must be removed and deactivated in the MAZDA CONNECT system.
SA-004-20c2021-01-06. 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.
09-007-20-3674a2021-01-05. Service bulletin. EQUIPMENT; SEATS. At PDI or when new vehicle is delivered, some customers may complain about wrinkles on the leather seat cushion and/or seat back surface. Customers having this concern should have their vehicle repaired by a qualified upholstery repair specialist using the following repair procedure.
09-005-20-3653a2021-01-05. Service bulletin. STRUCTURE; EQUIPMENT. Some vehicles may exhibit a rattle, clunk or pop noise from the front of the vehicle while driving. The noise may be caused by loose cowl panel bolts.
SA-047-20b2020-12-04. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; POWER TRAIN. CRACKED REAR DIFFERENTIAL. The rear differential case could develop a crack in the case, as shown below. NOTE: This could affect new vehicles just delivered to the dealer as well as customer vehicles.
MT-006-202020-12-03. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. Some customers may complain about the following MAZDA CONNECT™ Temperature Warning message: • Display is too Hot. Screen performance may be decreased until it cools. The warning message displays when the MAZDA CONNECT™ screen temperature is above 176 degrees Fahrenheit (80 degrees Celsius).
09-036-20-37562020-12-03. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. Some vehicles may exhibit a Connectivity Master Unit (CMU), a BLUETOOTH® hands-free unit or text messaging related concerns. To improve the handling of BLUETOOTH® hands-free and/or text messaging customer concerns, Mazda created a special service and parts exchange program as of February 2010.
SA-047-20a2020-11-04. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). CRACKED REAR DIFFERENTIAL: Be aware that some new AWD vehicles have been found with cracked rear differential cases, as shown below. NOTE: This may affect new vehicles just delivered to the dealer or new vehicles in dealer inventory.
SA-071-202020-11-04. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. Currently, the instructions on MGSS recommend the use of Loctite 962T or equivalent when installing a SKYACTIV cylinder head, but it is no longer available. The following 3 adhesives are alternatives available as an equivalent to Loctite 962T: Loctite 272, Loctite 518 Threebond TB-1386H
SA-070-202020-11-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. APPLE CARPLAY / ANDROID AUTO FREQUENTLY ASKED QUESTIONS (FAQ): NOTE: 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-069-202020-11-04. Service bulletin. EQUIPMENT. ACCESSORY INSTRUCTIONS LOCATION: Accessory instructions can be found in the Accessory eCatalog. https://ecatalog.mazdausa.com
SA-039-20a2020-11-04. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. The 2020 CX9 Grand Touring and Signature trims come standard with a liftgate handsfree foot-motion detection unit located on the inner surface of the rear bumper. This location is also where the accessory trailer hitch (P/N 0000-8E-N31/0000-8EN31A) is designed to be installed. Due to this location conflict, the foot-motion detection unit must be removed and deactivated in the MAZDA CONNECT system.
15-003-20-3737a2020-11-03. Service bulletin. STEERING; FORWARD COLLISION AVOIDANCE; SERVICE BRAKES; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. Some vehicles may exhibit that the SBS/SCBS warning light (amber) turns ON right after the engine is started with DTC U0420:68 [FSC] (Error signal received from electric power steering (EPS) control module) stored in memory. For Mazda6 and CX-5, the following error messages may appear in the instrument cluster. • Front camera sensor system malfunction • Forward Smart City Brake Support Malfunction • Driver attention alert system malfunction. This may be caused by the battery voltage falling and the EPS control module failing the initial learning for the steering center position while cranking. The FSC detects the error notified by the EPS control module. To correct this concern, the control software of the EPS control module has been modified while the repair procedure modifies the FSC for earlier repairs in the market.
15-003-20-37372020-10-03. Service bulletin. SERVICE BRAKES, HYDRAULIC; VISIBILITY; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; STEERING:ELECTRIC POWER ASSIST SYSTEM. Some vehicles may exhibit that the SBS/SCBS warning light (amber) turns ON right after the engine is started with DTC U0420:68 [FSC] stored in memory. • DTC U0420:68 [Forward sensing camera (FSC)]: Error signal received from electric power steering (EPS) control module. For Mazda6 and CX-5, the following error messages may appear in the instrument cluster. • Front camera sensor system malfunction • Forward Smart City Brake Support Malfunction • Driver attention alert system malfunction. This may be caused by the battery voltage falling and the EPS control module failing the initial learning for the steering center position while cranking. The FSC detects the error notified by the EPS control module. To correct this concern, the control software of the EPS control module has been modified while the repair procedure modifies the FSC for earlier repairs in the market.
09-029-20-37322020-10-03. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; STRUCTURE:BODY:DOOR; EQUIPMENT. Some vehicles may exhibit poor fitting rear door weatherstrips at the lower/front location. The weatherstrips may be deformed by frequent contact with passengers entering and exiting the vehicle, causing the weatherstrip joint to become enlarged. The enlarged weatherstrip joint does not grip the door panel tight enough when it is refitted.
SA-062-202020-09-03. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; PARKING BRAKE; VISIBILITY; FORWARD COLLISION AVOIDANCE. Some customers may complain about the following message displayed in the Multi-Information Display: In the following cases, the MRCC with Stop & Go function system is canceled when the vehicle is traveling at 19 mph (30 km/h) or less: • The Forward Sensing Camera (FSC) cannot detect target objects due to one of the following: • The windshield is dirty • The FSC lens is foggy • There is low visibility due to rain, fog or snow • It is at night and there is not enough light • There is direct or reflected sunlight on the FSC • There is problem with the FSC • There is a problem with the AUTOHOLD control function. • There is a problem with the electric parking brake (EPB).
SSPC2a2020-09-01. Service bulletin. EQUIPMENT:ELECTRICAL; STRUCTURE:BODY:HATCHBACK/LIFTGATE. 2020 CX-5 AND 2020 CX-9 POWER LIFTGATE (PLG) CONTROL UNIT CONCERN: On certain subject vehicles, the PLG Control Unit may not switch to the power saving mode even after pressing the push button start and setting the ignition to the off position, due to improper control logic of the PLG Control Unit. In this condition, if the vehicle is left unused for a certain amount of time, the battery may discharge and run out.
DRW292020-08-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. DRW29 - 2020 CX-3, CX-30, CX-5, CX-9, MAZDA6 AND MAZDA3 - SECOND PDI OF ALLOCATED FLEET VEHICLES: Concern Outline: There are 597 vehicles contained in this DRW, and all had a paid Pre-Delivery Inspection performed at the port and were to be used as fleet vehicles. These vehicles have since been reallocated to dealerships and due to significant idle time prior to arriving at dealers, the vehicle should have a new Pre-Delivery Inspection performed in order to support a perfect delivery to the customer.

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