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Service bulletins for the 2016 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.

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

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
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
09-017-21-38082021-06-29. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. Some customers may experience the MAZDA CONNECT rebooting or the screen turning black under any temperature. When the concern occurs, MAZDA CONNECT reboots repeatedly, and if the SD card is removed during this reboot cycle, the rebooting cycle ends. This is caused by some SD cards for the MAZDA CONNECT navigation system being manufactured with improper hardware, resulting in a data reading error. To correct the concern, the SD card hardware has been changed.
MT-002-212021-06-01. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. When programming a key or installing a Genuine Mazda Accessory Remote Engine Start system, you may encounter programming difficulty. This may be caused by a customer installed aftermarket decorative trim and/or cover on the START/STOP ENGINE button. The aftermarket accessory may create electrical interference, which may interfere with programming.
MT-001-212021-06-01. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; EQUIPMENT. 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.
MT-001-212021-04-05. 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.
SA-072-172021-03-08. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE); ELECTRICAL SYSTEM; ENGINE. If you receive a customer complaint of a Check Engine Light on with a DTC P0401 stored in memory, follow the repair procedure below.
MT-020-172021-03-08. Service bulletin. ELECTRICAL SYSTEM. The MODE switch operation for the Mazda Radar Cruise Control (MRCC) system has been changed as follows: Previous - Press the MODE switch to switch to the cruise control function. New - Press the MODE switch and hold for 2 seconds_ to switch to the cruise control function.
MT-019-172021-03-08. Service bulletin. EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; SERVICE BRAKES; ELECTRICAL SYSTEM. WARNING: DO NOT PERFORM OPERATIONAL TESTING OF THE SMART CITY BRAKE SUPPORT (SCBS) SYSTEM. If the warning indicator light is not illuminated and there are no codes stored in the system, the system is operating properly, and Mazda cannot perform any additional testing of the system. Dealers and customers should never attempt to test or recreate crash scenarios under any circumstances because that could lead to an accident and injuries. NOTE: This article only applies to the applicable vehicles below equipped with SCBS system that uses a Laser Sensor. This article does not apply to newer vehicles equipped with SCBS system that uses a Forward Sensing Camera (FSC).
MT-017-172021-03-08. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. If you encounter any type of electrical concern (e.g, dead battery), 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. Below are a couple of examples of unusual electrical concerns caused by aftermarket devices.
01-006-21-37792021-03-03. 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.
01-005-21-37782021-03-03. 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.
SA2942021-02-08. Service bulletin. ELECTRICAL SYSTEM. Do not update the Mazda connect system with an earlier version of software. The latest Mazda connect software (version 58) Do not attempt to update with the software version available on MS3 (version 55). If you update to an earlier version of software you will beed to wait until the end of Sept when software version 59 should be available for download.
SA512021-02-08. Service bulletin. ELECTRICAL SYSTEM. Mazda connect software version 59.00.441 available - Important Update. Used the Labor Op Code in the TSB to update these vehicles with a customer concern until an updated TSB is published.
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
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
09-018-172021-02-01. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Display shows inaccurate ambient temperature. Some customers may complain that the ambient temperature display is not accurate, or it takes too long for the display to show actual temperature.
SA2662021-02-01. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. MAZDA Mobile start (MMS) cannot communicate with vehicle
MTI_11152021-02-01. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SENSORS; LANE DEPARTURE. Multi-Model - Blind Spot Monitoring (BSM) System Change (update)
09-061-162021-02-01. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Fctry MESSAGE DISPLAYED AFTER INSTRUMENT CLUSTER REPLACEMENT. After the installatioin of a new instrument cluster, the message "F ctry" IS DISPLAYED INSTEAD OF THE ODOMETER. Some new instrument clusters are in the factory mode setting. Factory mode cancellation is required.
05-010-162021-02-01. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Shift shock while accelerating from A stop. Some customers may complain about a slight shift shock while accelerating from a stop and no A/T related DTC's are stored. The shift shock actually occurs intermittently at lock-up transition with the A/C on. Improperly learned values in the TCM for the lock-up slip control may cause excessive pressure for the lock-up clutch. To avoid improper learning, the control logic of the TCM has been changed. Customers having this concern should have their vehicle repaired using the following repair procedure.
MTI_10312021-01-29. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SOFTWARE. Some customers may complain about a blurry rear view monitor display. This may be caused by an aftermarket accessory device.
MTI_11112021-01-29. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. When installing a navigation SD card, confirm that the card is unlocked. Also, Mazda Does Not Recommend swapping navigation system SD cards from one vehicle to another for testing. If swapped, the SD card that is installed into the other vehicle becomes “linked” to the VIN of that vehicle.
01-001-172021-01-25. Service bulletin. AIR BAGS; ELECTRICAL SYSTEM. Some vehicles may experience the CHECK ENGINE LIGHT OIN with DTC P2610 and P2507 stored in memory after engine start and room fuse 15A removed * P2610 Instrument cluster internal engine off timer performance problem * P2507 PCM battery voltage low input.
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.

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