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Service bulletins for the 2018 Mazda Mazda6

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.

549 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
15-002-18-35022018-08-20. Service bulletin. FORWARD COLLISION AVOIDANCE: SENSING SYSTEM: CAMERA; ELECTRICAL SYSTEM. Some customers may complain about one or more warning lights ON when they start the vehicle during hot weather. The following DTC is stored in memory: U3000:98 - Forward sensing camera (FSC) stops functioning due to temporary high temperature. The combination of warning lights mentioned by the customer may include: SCBS/SBS LAS/LDWS HBC Master Warning Light Instrument Cluster Multi-Information Display (if equipped) warning messages may include: Forward Smart City Brake Support Malfunction. Smart Brake System Malfunction. Front Camera Sensor System Malfunction. MAZDA CONNECT center display warning messages may include: High Beam Control [HBC] / Lane-keep Assist System [LAS] Malfunction. Have the vehicle checked by a dealer if this indicator stays on. Smart City Brake Support [SCBS] Malfunction. Have the vehicle checked by a dealer immediately. Note: The center display Warning Messages are only displayed when the customer selects Applications>Vehicle Status Monitor>Warning Guidance>Warnings. This condition may be caused by the FSC not being durable enough in high temperatures. [Earlier production Mazda3, Mazda6, CX-3 and CX-5 until summer 2017] The warning lights may stay on and these functions are deactivated until the ignition switch is turned off. Both U3000:98 (FSC) and U3000:04 (FSC) are stored. U3000:04 - Forward sensing camera (FSC) internal malfunction. If only U3000:04 (FSC) is stored, this TSB does not apply. This condition may be caused by FSC control logic that is too sensitive. When the FSC detects DTC U3000:98 during high temperature, it stops the internal communication and stores DTC U3000:04. DTC U3000:04 will not clear and SCBS/SBS, LAS/LDWS, and/or HBC functions will not resume until the ignition switch has been turned OFF even if the temperature of the FSC cools.
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.
SA-025-182018-07-02. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. When performing the MGSS Workshop Manual 360° View Monitor System Aiming Procedure, M-MDS may show error message "Procedure unsuccessful". This may be caused by light glare on the SST.
SA-021-182018-05-14. Service bulletin. ELECTRICAL SYSTEM. MAZDA CONNECT SOFTWARE VERSION 59.00.545 AVAILABLE. An update to the MAZDA CONNECT system is now available for download from the Mazda Global Service Support (MGSS) system. The new version number is 59.00.545. Mazda Requests the MAZDA CONNECT system be updated on all new vehicle inventory and CPO vehicles ASAP. For CPO inventory vehicles out of warranty, for this software release only, you may use Dealer Self Authorization or DSM goodwill. Click on "Infotainment", then "MAZDA CONNECT Updates" to download it and update your USB drives. Also make sure to select "All Files" for "Save as type:". If left as "Compressed (zipped) Folder," the file will be saved as a ".zip" no matter what you use as an extension. DO NOT shut off the ignition or let it shut off at any time during the entire MAZDA CONNECT update process (both Failsafe and Reinstall), otherwise the CMU may be damaged and need to be replaced.
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-012-182018-04-23. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Some 2018 vehicles built after January 1, 2018 and equipped with Navigation may exhibit one of these concerns after the user inputs an address: A screen pops up that says "House number not found." After the user selects OK, the system finds the address or a nearby address.Instead of finding the correct address number the system adds a digit to the end of the number. Example: You enter 151 and the system comes back with 1510, 1511, 1515, 1516, etc.This only occurs with MAZDA CONNECT software version 59.00.540, which started being installed into vehicles in January 2018. The concern can be eliminated by installing MAZDA CONNECT software version 59.00.504.
DRW132018-04-23. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Dealer Rework (DRW) 13 ? Mazda Connect Navigation Concern 2018MY CX-5, CX-3, CX-9, Mazda6, Mazda 3 and MX-5: We write to inform you that certain vehicles are affected by the concern mentioned below. Vehicles affected by this DRW will be visible, March 15th 2018. Parts and Warranty information and VIN lists for the DRW13 will be uploaded to MGSS on March 15, 2018. On the Mazda Connect Navigation system, when the destination is selected by entering an address, there may be a concern when entering the ?House/Business Number? as described below. a) A ?House number not found? pop-up is displayed, although the house number and selected location is correctly shown on the map. b) A ?House number not found? pop-up is displayed, but the house number displayed is different from the number inputted although the selected location is correctly shown on the map. c) The house number cannot be set up correctly. The Navigation results of house number search doesn?t match with the number inputted. Causal factor: Inappropriate software of connectivity master unit (CMU)
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
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.
09-002-18-34102018-03-05. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. After the installation of a new instrument cluster, the message "Fctry" or "Factory" is displayed instead ofthe odometer. This concern may also occur when a room fuse is installed in a new vehicle.Some new instrument clusters are in the factory mode setting. Factory mode cancellation is required.NOTE: The concern is applicable to Calsonic Kansei instrument clusters. Not all trim levels are affected.CX-3 shown:Vehicles having this concern should have their vehicle repaired using the following procedure.
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.
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.
15-006-17-33882017-11-14. Service bulletin. BACK OVER PREVENTION: CAMERA SYSTEM; ELECTRICAL SYSTEM; SERVICE BRAKES. Some customers may complain about one or more warning lights ON when they start the vehicle during hot weather. The following DTCs are stored in memory: U3000:98 - Forward sensing camera (FSC) stops functioning due to temporary high temperature. U3000:04 - Forward sensing camera (FSC) internal malfunction. The combination of warning lights mentioned by the customer may include: Instrument Cluster Multi-Information Display (if equipped) warning messages may include: Forward Smart City Brake Support Malfunction, Smart Brake System Malfunction, Front Camera Sensor System Malfunction, MAZDA CONNECT center display warning messages may include: High Beam Control [HBC] / Lane-keep Assist System [LAS] Malfunction. Have the vehicle checked by a dealer if this indicator stays on. Smart City Brake Support [SCBS] Malfunction. Have the vehicle checked by a dealer immediately. Note: The center display Warning Messages are only displayed when the customer selects Applications>Vehicle Status Monitor>Warning Guidance>Warnings. This condition may be caused by FSC control logic that is too sensitive. When the FSC detects DTC U3000:98 during high temperature, it stops the internal communication and stores DTC U3000:04. DTC U3000:04 will not clear and SCBS/SBS, LAS/LDWS, and/or HBC functions will not resume until the ignition switch has been turned OFF even if the temperature of the FSC cools.
09-035-17-30802017-10-04. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. In accordance with Federal regulations, follow the procedure listed below when replacing a speedometer. NOTE: Tampering with a motor vehicle odometer is strictly prohibited by Federal, and State laws. It is the dealer?s responsibility to comply with Federal, State, and local laws concerning odometerand related documentation requirements when providing a repair or replacement. Mazda vehicles are manufactured with tamper-proof speedometers. When a speedometer is replaced, the new speedometer will read zero (0) miles. This procedure is extremely important to accurately represent actual vehicle mileage. Prior to speedometer removal, complete the information required on the ?SpeedometerReplacement Label?.Labels can only be ordered through Mazda eStore. In an effort to achieve a higher level of Customer Experience and retain the value of Mazda?s vehicles, MNAO Warranty Operations is allowing all Mazda dealers to utilize a third party, SPECMO Enterprises, Inc., for Instrument Panel Cluster (IPC) odometer setting service.With the use of SPECMO?s services, a Mazda dealer can get the odometer setting updated to reflect the correct mileage at the time of replacement for both warranty and customer pay repairs, therefore resulting in a higher level of customer satisfaction. Since odometer setting service is not part of the warranty repair, it is not warrantable nor required, but optional. However, Mazda Warranty policy provides after- warranty assistance (AWA) or DSA that can be utilized to cover this service expense.
SA-061-172017-08-10. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. In an effort to achieve a higher level of Customer Experience and retain the value of Mazda's vehicles, MNAO Warranty Operations is© 2017 Mazda North American Operations, U.S.A. allowing all Mazda dealers to utilize a third party, SPECMO Enterprises, Inc., for Instrument Panel Cluster (IPC) odometer setting service. With the use of SPECMO's services, a Mazda dealer can get the odometer setting updated to reflect the correct mileage at the time of replacement for both warranty and customer pay repairs, therefore resulting in a higher level of customer satisfaction. Since odometer setting service is not part of the warranty repair, it is not warrantable nor required, but optional. However, Mazda Warranty policy provides after- warranty assistance (AWA) or DSA that can be utilized to cover this service expense.

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