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Service bulletins for the 2018 Mazda Mazda3

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.

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

By type

By component

By trouble code

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Bulletins, newest first
09-001-17-3296b2017-10-04. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS; STRUCTURE; ELECTRICAL SYSTEM. When dealing with customer complaints of excessive condensation and/or water within the headlamp unit, first determine if all the bulb sockets (including O-ring), seals and covers are present and correctly installed. In most cases you will find that the Bulb Seal No. 1 (A) or HID Bulb Seal No. 1 (B) and Bulb Seal No. 2 (C) socket covers have not been correctly installed or are missing due to improper prior repairs (i.e., customer replacing the headlamp bulbs or body shop not transferring them when replacing the headlamp unit(s) due to a collision). Any damage caused by missing socket covers, HID module seal (D), or missing bumper brackets (E) is not covered by warranty policy.
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.
MT-015-172017-08-10. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT ADAPTIVE/MOBILITY. 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).
SA-064-172017-08-10. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT ADAPTIVE/MOBILITY. Some customers may complain about one or more warning lights on when they start the vehicle during hot weather. The combination of warning lights mentioned by the customer may include: SCBS, LDWS, HBC. Instrument Cluster Multi-Information Display 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.
SA-063-172017-08-10. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL. Some customers may complain about the "wrong" phone is connected to the infotainment system. MAZDA CONNECT bluetooth will connect all profiles to devices in order of priority if the last device is not available. This concern may be a normal operation of the CMU connecting to available devices on start up.
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.
SA-058-172017-08-10. Service bulletin. VISIBILITY:WINDSHIELD. CAUTION: DO NOT attempt any repair of the windshield damaged by stone chipping/cracks at the area in front of the Forward Sensing Camera (FSC) and Laser Sensor. Replace the windshield with a new one instead.
SA-057-172017-08-10. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. High Beam Control (HBC) system frequently asked questions (FAQ)
SA-056-172017-08-10. Service bulletin. FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. Mazda Radar Criose Control (MRCC) system frequently asked questions (FAQ)
SA-054-172017-08-10. Service bulletin. LANE DEPARTURE: BLIND SPOT DETECTION. Blind Spot Monitoring (Advanced BSM) system frequently asked questions (FAQ)
SA-053-172017-08-10. Service bulletin. LANE DEPARTURE. Lane Departure Warning System (LDWS) frequently asked questions (FAQ)
SA-052-172017-08-10. Service bulletin. SERVICE BRAKES. Smart City Brake Support (SCBS) frequently asked questions (FAQ)

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