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Service bulletins for the 2016 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.

667 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
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.
MTI_10332021-01-28. Service bulletin. ELECTRICAL SYSTEM. Some customers may complain about a MAZDA CONNECT display screen flickering on and off. This may be caused by poor terminal contact at the engine compartment ACC Relay.
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.
02-005-172021-01-25. Service bulletin. BACK OVER PREVENTION; WHEELS; SUSPENSION; STEERING; POWER TRAIN; ELECTRICAL SYSTEM. Popping and/or squeaking noise from front shock absorber and or creaking noise from front lower arm bushing. Some vehicles may exhibit one or more of the following noises from the front suspension. * A squeaking noise from the front shock absorber when turning the steering wheel at a vehicle standstill caused by stick0slip between the front strut bearing and the coil spring. * A popping noise from the front shock absorber when passing over speed bumps caused by the bump stopper cointacting the strut bearing when the shock absorber is compressed. * A creaking noise from the lower arm when driving over road bumps at 20-40 km/h caused by stick-stick-slip of the front lower arm bushing. The noise occurs when the road surface is wet or after a car washing, and becomes moare noticeable as the speed bump gets higher. * To correct these problems, the following changes have been made. * For the squeaking and popping noise, the fshape of the bump stopper has been modified and a protector has been installed onto the coil spring. * For the creaking noise, the friction of the lower arm bushing has been reduced by adding a dry coating. Customers having this concern should have their vehicle repaired using the following repair procedure.
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.
SA-070-202020-11-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. APPLE CARPLAY / ANDROID AUTO FREQUENTLY ASKED QUESTIONS (FAQ): NOTE: 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
09-030-20-37402020-10-03. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:SOFTWARE. All Mazda Connect vehicles in new car inventory must be updated to the software version listed below in this TSB as part of the New Car Ready Step 3 process. Make sure the new vehicle specialist receives a copy of this bulletin. Some vehicles may experience the symptoms mentioned below, which can be fixed with the latest software update (Version 70.00.367 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.
SA-063-202020-09-03. Service bulletin. ELECTRICAL SYSTEM. When performing vehicle services such as control unit software update, control unit registration/activation, CMU log data retrieval, etc., always use the GR8 battery charger SST to maintain battery voltage.
MT-001-202020-08-04. Service bulletin. EQUIPMENT; 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. Below are a couple of examples of unusual electrical concerns caused by aftermarket devices.
09-025-20-37212020-08-04. Service bulletin. VISIBILITY; ELECTRICAL SYSTEM. Some customer's may complain that the front power window(s) do not operate after the vehicle has been parked outside during freezing temperatures. This may be caused by water that infiltrates into the power window regulator and freezes in the drum groove for the cable. Then when the power window is operated, the cable slips out from the ice-filled groove and tangles, blocking further window operations.
09-015-20-3698b2020-07-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. Some customers may experience the MAZDA CONNECT rebooting or the screen turning black during 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 cold temperatures. To correct the concern, the SD card hardware has been changed.
09-015-20-36982020-05-04. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. Some customers may experience the MAZDA CONNECT rebooting or the screen turning black during 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 cold temperatures. To correct the concern, the SD card hardware has been changed.
SA-041-202020-04-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Some customers may complain about incorrect MAZDA CONNECT clock time. This may be caused by an incorrect clock GPS Sync setting.
SSPB6b2020-03-03. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. 2014-2016 Mazda3 - Mazda Connect Touch Screen Concern Warranty Extension Program - Special Service Program (SSP) B6
SSPB6a2020-03-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. 2014-2016 Mazda3 - Mazda Connect Touch Screen Concern Warranty Extension Program - Special Service Program (SSP) B6
SA-011-20a2020-02-27. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. Some customers may complain about a MAZDA CONNECT system reboot or blank screen. Use the troubleshooting chart below to repair the vehicle.
SA-011-202020-02-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. Some customers may complain about a MAZDA CONNECT system reboot or blank screen. Use the troubleshooting chart below to repair the vehicle.
SA-009-202020-01-30. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; STRUCTURE. LACK OF POWER UNDER HEAVY LOAD WITH NO WARNING LIGHTS OR DTCS: Some customers may complain of a lack of power under heavy load without any warning lights or DTCs. This concern may be due to a loose or detached hood weatherstrip, which can cause a blockage or restriction in the air intake system.
01-002-20-36782020-01-30. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. 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. As a past malfunction, the customer will not notice it (no warning light illuminated), but the DTC may be found during a vehicle service. P2507 in this situation is only applicable on 2016 and later models. This is caused by the engine being started 3 or more times after a short duration of engine off (less than 15 seconds) with the room fused removed. NOTE: The odometer will display “F0-002” during transport mode (room fuse 15A removed). Transport mode is canceled when room fuse 15A is installed or the vehicle odometer is more than 12.4mi (20km).Vehicles in dealer inventory with this concern should be repaired using the following repair procedure.
09-003-20-36712020-01-23. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. 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 odometer and 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 “Speedometer Replacement 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, it is possible that the odometer will be set between 10 to 31 miles over the odometer mileage at the time of replacement for both warranty and customer pay repairs. Please make sure that the customer is aware that there may be a slight variance to the odometer, in which case the customer may have to accept the slightly higher mileage. 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.
09-022-19-3599a2019-12-20. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. All Mazda Connect vehicles in new car inventory must be updated to the software version listed below in this TSB as part of the New Car Ready Step 3 process. Make sure the new vehicle specialist receives a copy of this bulletin. Some vehicles may experience the symptoms mentioned below, which can be fixed with the latest software update (Version 70.00.352 or later).
MT-004-192019-11-24. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; ELECTRICAL SYSTEM. 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 • DTC B13D3:94 (Communication error with remote transmitter) stored.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.
SA-049-192019-11-21. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Some customers may complain about a Mazda Mobile Start (MMS) system malfunction. Use the information below to troubleshoot the customers complaint: • MAZDA MOBILE START (MMS) TROUBLESHOOTING GUIDE • CANNOT COMMUNICATE WITH VEHICLE • ERROR MESSAGE INSTALLED ON ANDROID DEVICES • COMMUNICATION ERRORS • MMS CHECK MODE - Use to verify system operation (see below).

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