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Service bulletins for the 2017 Mazda MX-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.

415 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
MT-008-182018-10-09. Service bulletin. ENGINE; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Some customers may complain about: Intermittent engine no start, Instrument cluster red security indicator light ON, Engine Start/Start Button Amber indicator, light flashing, Battery discharge, Electrical relay buzzing noise.This may be caused by: A key in a purse near a cell phone. The cell phone radio waves may interrupt the immobilizer system. An aftermarket cell phone charger. The charger may produce electrical noise that interrupts the immobilizer system. An aftermarket GPS tracker. Some aftermarket devices that are wired to the vehicles?s wiring harness may create unusual electrical symptoms.
MT-007-182018-10-09. Service bulletin. ELECTRICAL SYSTEM. Some customers may complain about the following: Engine no start. A blurry rear view monitor display. This may be caused by an aftermarket accessory device. Some aftermarket electrical devices (e.g., an accessory cell phone charger, GPS tracker...) may create excessive electrical noise. The noise may interrupt some of the vehicle electrical systems. Below are a few examples of an aftermarket cell phone charger and GPS tracker that are interrupting the vehicle electrical systems.
MT-004-182018-10-09. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; 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. Below are a couple of examples of unusual electrical concerns caused by aftermarket devices.
MT-007-182018-08-27. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES; ENGINE; ELECTRICAL SYSTEM. ENGINE NO START AND / OR REAR VIEW MONITOR DISPLAY IS BLURRY DUE TO AFTERMARKET ELECTRICAL DEVICE: Some customers may complain about the following: Engine no start. A blurry rear view monitor display. This may be caused by an aftermarket accessory device. Some aftermarket electrical devices (e.g., an accessory cell phone charger) may create excessive electrical noise. The noise may interrupt some of the vehicle electrical systems. Below are a few examples of an aftermarket cell phone charger that is interrupting the vehicle electrical systems.
MT-004-182018-08-27. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. ELECTRICAL CONCERN AND/OR MULTIPLE DTC'S DUE TO AFTERMARKET DEVICE: 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. Below are a couple of examples of unusual electrical concerns caused by aftermarket devices.
09-010-18-3440a2018-08-20. Service bulletin. ELECTRICAL SYSTEM. Some vehicles may experience the symptoms mentioned below, which can be fixed with the latest software update (Version 59.00.546 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 Mazda's continuing efforts to improve safety and reduce driver distraction. Please explain this to the customer before updating the software. If the customer agrees, turn off the tachometer display on the AD-Display tab in MAZDA CONNECT Settings before performing the update. NOTE: If the customer has customized MAZDA CONNECT with something like a different background using unauthorized software, make sure they know the following information before updating MAZDACONNECT to avoid any issues later on. Updating MAZDA CONNECT to the latest version will erase any customization created by unauthorized software. Unauthorized customization software will not work on the latest version of MAZDA CONNECT software. The latest version of MAZDA CONNECT software cannot be rolled back to an earlier version. Mazda does not recommend unauthorized customization of MAZDA CONNECT due to the possibility of unexpected problems. Any issues related to this will not be covered under Mazda warranty policy.
01-004-18-3407a2018-05-14. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This TSB has been superceded by SSPB5 - 2017 MX-5 - BATTERY DISCHARGING CONCERN.
SSPB52018-05-14. Service bulletin. ELECTRICAL SYSTEM. 2017 MX-5 Battery Discharging Concern Special Service Program (SSP) B5 - Mazda Motor Corporation has decided to conduct a Special Service Program (SSP) on certain 2017 MX-5 vehicles equipped with retractable fastback hardtop, and built from October 4, 2016 through May 9, 2017. On affected MX-5 vehicles, if the vehicle is turned off while the Cruise Control is ON, the microcomputer may not go into sleep mode, allowing an electric current to continue to flow. With this condition, if the vehicle is left unused for an extended period of time (Approximately 10+ days), the battery may discharge, resulting in a no start condition. There are 5,125 vehicles in the United States affected by this SSP.
09-007-18-34222018-05-07. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM:SOFTWARE. Some customers may experience a navigation system screen that shows the wrong location. This concern is due to poor reception of the GPS signals. To eliminate this concern, the CMU hardware has been modified.
09-001-18-3387a2018-05-07. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Some customers may experience the MAZDA CONNECT rebooting or the screen turning black during extremely cold temperatures. The concern occurs when the interior of the vehicle is cold and disappears when the interior warms up. This is caused by some SD cards for the MAZDA CONNECT navigation system being manufactured with improper hardware, resulting in a data reading error during extremely cold temperatures. To correct the concern, the SD card hardware has been changed.
01-004-18-34072018-05-07. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Some customers may complain about engine no start due to the battery being discharged. This may becaused by a software error with the speedometer which allows a dark current of 80 mA can continue to flowafter the ignition is turned off. If the vehicle is not used for more than a week and left in this condition, the battery will discharge. NOTE: A normal dark current value is about 25 ­ 45 mA. Condition where dark current of 80mA occurs: If the ignition is switched OFF while the Cruise Control is ON (one of the Cruise Control indicators is ON in the MID), the microcomputer does not shift into the sleep mode and an operation current of 80 mA will continue to flow. NOTE: If the ignition is switched OFF after Cruise Control is turned OFF, this concern does not occur. Cruise Control indicators is ON Instrument Cluster with MID To correct this concern, the software of the instrument cluster has been changed.
SA-017-182018-04-23. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Upgrade your PCs to IDS version 109.00 and 109.01 from the previous version. NOTE: You may see ?Selection not available? on IDS when a selecting ?Programming menu?, 108.07 included a timer extension for Programming menu application that had to be installed before the expiration date of 3/27/18. After the expiration, IDS can?t accept the extension. To correct this, uninstall IDS and re-install IDS 108.00 >IDS 108.07 up-date. Select "Remove Mazda data files and settings" as shown below.
SA-016-182018-04-23. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. If the MAZDA CONNECT Connectivity Master Unit (CMU) is replaced due to failure, the replacement CMU may have a navigation system software error. To resolve this concern, after the installation of the new CMU, check the software version.
MT-004-182018-04-23. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. 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.
01-009-18-34522018-04-23. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. The Mazda GR8-1291 is required for all warranty battery testing. If the Mazda GR8-1291 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.
01-008-18-34512018-04-23. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 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.
MT-002-182018-04-23. Service bulletin. ELECTRICAL SYSTEM. Some customers may complain about improper operation of the MAZDA CONNECT system when streaming music with audio source aha/Pandora/Stitcher/Bluetooth® and the same device is also connected to the USB port for charging. The concerns may include: Blank Screen and/or No Audio Sound, Phone will not charge, Blank Screen and/or No Audio Sound
SA-002-182018-04-23. Service bulletin. ELECTRICAL SYSTEM. Some customers may complain about engine no start due to the battery discharged. This may be caused by a software error with the speedometer, a dark current of 80 mA can continue to flow after the ignition is turned off. If the vehicle is not used for more than a week and left in this condition, the battery will discharge.
01-007-18-34082018-04-23. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Some vehicles may experience a condition where the engine does not start using the normal starting procedure and the doors will not lock/unlock when using a request switch. The engine will start if you touch the backside of the remote (1) to the push button start (2). This may be caused by water running down between the windshield and the dashboard resulting in corrosion of the terminals at connectors C-16 and/or C-04. To correct this issue, shield plates have been attached to the upper dashboard to prevent water from dropping onto these connectors.
09-010-18-34402018-04-23. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Some vehicles may experience the symptoms mentioned below, which can be fixed with the latest software update (Version 59.00.504 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 Mazda's continuing efforts to improve safety and reduce driver distraction. Please explain this to the customer before updating the software. If the customer agrees, turn off the tachometer display on the AD-Display tab in MAZDA CONNECT Settings before performing the update. NOTE: If the customer has customized MAZDA CONNECT with something like a different background using unauthorized software, make sure they know the following information before updating MAZDA CONNECT to avoid any issues later on.
MT-001-182018-02-26. Service bulletin. ELECTRICAL SYSTEM. When installing a navigation SD card, the center display may show error message "Invalid SD Card". This may be caused by: The navigation SD card lock tab is locked.The navigation SD card has a VIN mismatch due to SD card swapping.The navigation SD card has a malfunction.
00-003-17-34062018-02-26. Service bulletin. ELECTRICAL SYSTEM. In support of the new Mazda MX-5 and CX-3, Mazda will make available for loan on a "as-needed" basis, aSpecial Service Tool (SST) to allow for the radar aiming of the blind spot monitoring (BSM) system. The (BSM) radar aiming is performed whenever the (BSM) control module, the (BSM) bracket or the rear bumper is replaced. The tool is available for loan on Mazda e-Store.
15-005-17-3358b2017-11-14. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Some customers may complain that the BSM indicator light on the outer mirror glass does not illuminate when: ? Customer vehicle (A) is slowly passing other vehicle, even if the vehicle is still in the alert area.? Adjacent vehicle (B) driving at same speed, even if the vehicle is still in the alert area. Customers who have owned previous Mazda vehicles are more likely to complain. The BSM control module has been modified to address these customer concerns.
15-005-17-3358a2017-11-14. Service bulletin. VISIBILITY; ELECTRICAL SYSTEM. Some customers may complain that when passing a vehicle slowly, even if the vehicle is still in the alert area, the BSM indicator light on the outer mirror glass does not illuminate. Customers who have owned previous Mazda vehicles are more likely to complain. The BSM control module has been modified to address this customer concern.
09-038-17-33832017-10-21. Service bulletin. ELECTRICAL SYSTEM. Some vehicles may exhibit a buzzing noise from the driver (A) and/or passenger (B) side headrest speaker(s) when playing the audio system. This noise is caused by the upper part of the speaker interfering with the headrest pad. To correct the concern, the shape of the headrest pad will be changed to create sufficient clearance between the speaker and the headrest pad.

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