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Service bulletins for the 2016 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.

705 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
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.
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
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.
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.
09-011-17-3339a2021-03-08. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:PROPULSION SYSTEM:CHARGING:CABLE/CORD:ACCESSORY; SEATS:FRONT ASSEMBLY:POWER ADJUST. Some vehicles may exhibit excessive noise when operating either front power seat forward or backward. The noise may be caused by cable vibration, which transmits power from the motor to the gears. The cable vibrates inside the case due to inadequate fabric wrapped around the cable. The fabric thickness has been increased to eliminate the noise.
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.
03-004-162021-02-08. Service bulletin. ELECTRICAL SYSTEM. WARNING LIGHT ON WITH DTC P1887:11 - 14 AND/OR NOISE FROM COUPLING UNIT
SA-008-212021-02-06. 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.
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_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.
SA2782021-01-28. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. After Pandora V7.0 was released on March 7th, the following problems have been found on vehicle with MAZDA CONNECT. Navigation voice guidance will skip and cut out losing many words.Pandora will suddenly disconnect and MAZDA CONNECT will revert to the previously used source. If you encounter a vehicle with these issues, DO NOT attempt any repairs on the vehicle. There is nothing wrong with the vehicle. This is an issue with the Pandora APP. Have the customer contact Pandora at pandora-support@pandora.com. NOTE: If the Pandora APP works on the customer's phone, they can stream Pandora using Bluetooth.
08-004-162021-01-25. Service bulletin. ELECTRICAL SYSTEM; BACK OVER PREVENTION. M-MDS Data monitor displays incorrect air bag module resistance value.
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.