2020 Mazda CX-30 Technical Service Bulletins

687 technical service bulletins (TSBs) are on record for the 2020 Mazda CX-30. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10177008Jun 23, 2020Electrical system, Equipment. Some customers may experience a "IN-VEHICLE NETWORK MALFUNCTION" warning message in the instrument cluster with one or more of the following DTC's stored: B119F:01 TCU - Tel antenna No.
• 10177006Jun 23, 2020Equipment, Electrical system. MAZDA CONNECT Software Version 11002 NOTE: “2019 Mazda3 owners may notice an icon in their infotainment’s display that indicates Mazda Connected Services. This new feature is a global technology and designed with the latest version of Mazda ConnectTM. At this time, the service is not active for 2019 Mazda3 vehicles in the U.S.
• 10177013Jun 12, 2020Engine cooling. Some customers may experience an engine no start due to low battery voltage on 2019-2020 Mazda3 and 2020 CX30. Inform the customer that Mazda is actively investigating this issue and apologizes for any inconvenience. Mazda would like to request both dealer and customer support to expedite a repair. Customers having this concern should be instructed to contact Mazda Roadside Assistance and have their vehicle…
• 10177012Jun 10, 2020Transmission and drivetrain. When replacing manual or automatic transmission, make sure to remove the plug from the old transmission (as shown below) and then re-install it to the new transmission with a new washer. The new transmissions (including remanufactured A/T) have a shipping plug, as shown in the figures (M/T: black, rubber made; A/T: pink and black, with breather). This plug is for shipping use only and needs to be removed in order…
• 10177007Jun 5, 2020Equipment, Electrical system. Some customers may experience a "IN-VEHICLE NETWORK MALFUNCTION" warning message in the instrument cluster with one or more of the following DTC's stored:  B119F:01 TCU - Tel antenna No.
• 10177010Jun 1, 2020Equipment. Some customers may complain about any of the following: Vehicle Center Display does not provide the One Time Pass Code during the MyMazda App Connected Vehicle enrollment. Remote function(s) inoperative. Engine Start / Stop, Door Lock / Unlock, Lights ON / OFF. Confirm the customer's phone and vehicle have good to strong reception during the concern as shown in the table below.
• 10177003Jun 1, 2020Equipment. When the Telematics Control Unit (TCU) replacement is necessary due to a failure, use MDARS to initialize the new TCU after replacement. Use the information in this service alert to initialize the new TCU until the procedure on MGSS is updated.CAUTION:If TCU initialization is not performed, connected vehicle functions will not operate. This will have a negative impact on the customer because they will need to…
• 10176060May 22, 2020Electrical system. MAZDA CONNECTED SERVICES - FREQUENTLY ASKED QUESTIONS (FAQ). General Questions, Setup and Getting Started, Registration / Enrollment, WI-FI General Information, WI-FI How-To, WI-FI Trial Period, Interacting With The App, Service Issues, Troubleshooting, Dealer Processes, Educational Videos, Resources
• 10176062May 21, 2020Equipment. Customer Service Program (CSP)04 - Connected Services Deactivated - 2020 CX-30 and Mazda3.
• 10176059May 18, 2020Electrical system. MAZDA CONNECTED SERVICES - FREQUENTLY ASKED QUESTIONS (FAQ). General Questions, Setup and Getting Started, Registration / Enrollment, WI-FI General Information, WI-FI How-To, WI-FI Trial Period, Interacting With The App, Service Issues, Troubleshooting, Dealer Processes, Educational Videos, Resources
• 10176057May 18, 2020Transmission and drivetrain. When performing any service or repair on a customer's 2020 Mazda3 or CX-30, use MDARS to switch to Restricted Transmitting Mode. Restricted Transmitting Mode: Restricts MyMazda App remote functions. Prevents error messages being sent to the customer during vehicle service or repair. NOTE: Cancel Restricted Transmitting Mode after completing vehicle service or repair.
• 10176049May 18, 2020Equipment. Some customers may complain about any of the following: Vehicle Center Display does not provide the One Time Pass Code during the MyMazda App Connected Vehicle enrollment. Remote function(s) inoperative. Engine Start / Stop, Door Lock / Unlock, Lights ON / OFF
• 10176042May 11, 2020Equipment. In order to ensure key code security, MNAO has restricted key code access for the new auxiliary key. This Service Alert provides information on how to obtain the 10-digit key code needed for cutting a new auxiliary key blank if all auxiliary keys are lost.
• 10176044May 8, 2020Equipment, Electrical system. When the Telematics Control Unit (TCU) replacement is necessary due to a failure, use MDARS to initialize the new TCU after replacement. Use the information in this service alert to initialize the new TCU until the procedure on MGSS is updated. CAUTION: If TCU initialization is not performed, connected vehicle functions will not operate. This will have a negative impact on the customer because they will need to…
• 10176052May 5, 2020Forward collision avoidance. Some vehicles may experience M-MDS (MDARS) showing the front radar dynamic aiming is incomplete although the procedure is completed. This is caused by faulty front radar software logic and a mass production change is planned. If the screen below is displayed after the front radar dynamic aiming is performed, check the vehicle using the following inspection procedure.
• 10174617Apr 29, 2020Equipment, Electrical system. When the Telematics Control Unit (TCU) replacement is necessary due to a failure, use MDARS to initialize the new TCU after replacement. Use the information in this service alert to initialize the new TCU until the procedure on MGSS is updated. CAUTION: If TCU initialization is not performed, connected vehicle functions will not operate. This will have a negative impact on the customer because they will need to…
• 10174691Apr 28, 2020Equipment, Engine cooling. Some customers may expierience an engine no start condition where the engine will only start by holding the key transmitter over the Start/Stop button and DTC B13D3:97 (Remote transmitter registration work not completed) is stored. This may be caused by an accidental activation of the keyless pacemaker function.
• 10174586Apr 23, 2020Electrical system, Equipment, Latches, locks and linkages. Some customers may experience that the door locks may not operate using the touch sensor on the outer door handle while parked in a parking space surrounded by concrete walls, but will operate when using the remote transmitter. This concern may be caused by refraction and/or diffraction of the signal used for the advanced keyless entry system by the steel reinforcement bars in the concrete walls.
• 10174585Apr 17, 2020Electrical system, Latches, locks and linkages. Some customers may find that they cannot lock their vehicle when using the touch sensor (shown below) on the front door handle, however, they can unlock the vehicle. This concern may occur after the vehicle has been recently washed and water has accumulated around the touch sensor, resulting in temporarily lowering the sensitivity of the capacitor sensor. To eliminate this concern, the shape and material of the…
• 10174577Apr 15, 2020Equipment. Some customers may experience œUltrasonic sensor malfunction€ warning message displayed in the instrument cluster when driving or at a stop. The warning message continues until the ignition is turned off. Upon inspection, one or more of following DTC are detected in the parking assist unit (ultrasonic). This is caused by communication error(s) detected between the parking assist unit and the ultrasonic…
• 10174573Apr 15, 2020Equipment. Some customers may notice that the temperature setting of the automatic climate control may not change when the temperature dial is operated very slowly. Due to improper control logic of the automatic climate control unit (IP-ESU), turning operation may not be detected when the dial is operated very slowly. To eliminate this concern, the IP-ESU software has been modified.
• 10174572Apr 15, 2020Equipment. Some customers may notice that the temperature setting of the automatic climate control may not change when the temperature dial is operated very slowly. Due to improper control logic of the automatic climate control unit (IP-ESU), turning operation may not be detected when the dial is operated very slowly. To eliminate this concern, the IP-ESU software has been modified.
• 10174689Apr 14, 2020Lane departure, Equipment, Forward collision avoidance, Visibility (wipers…. FSC dynamic aiming (mid-drive aiming) may not complete if the vehicle is driven on a road as described below:  The road lane markings are covered by snow and are not visible.  There are no road lane markings on the road surface.  The road is winding and the vehicle cannot drive straight (300 m / 984 ft or more turning radius is required).
• 10174635Apr 14, 2020Engine cooling, Equipment, Electrical system, Exterior lighting. Some customers may complain about any of the following:  Vehicle Center Display does not provide the One Time Pass Code during the MyMazda App Connected Vehicle enrollment.  Remote function(s) inoperative.  Engine Start / Stop  Door Lock / Unlock  Lights ON / OFF
• 10174607Apr 14, 2020Equipment. MAZDA CONNECTED SERVICES - FREQUENTLY ASKED QUESTIONS (FAQ). General Questions, Setup and Getting Started, Registration / Enrollment, WI-FI General Information, WI-FI How-To, WI-FI Trial Period, Interacting With The App, Service Issues, Troubleshooting, Dealer Processes, Educational Videos, Resources
• 10174625Apr 8, 2020Electrical system, Equipment. Some customers may experience a "IN-VEHICLE NETWORK MALFUNCTION" warning message in the instrument cluster with one or more of the following DTC's stored:  B119F:01 TCU - Tel antenna No.
• 10174624Apr 8, 2020Electrical system, Equipment. MAZDA CONNECT Software Version 11002. NOTE: “Mazda3 owners may notice an icon in their infotainment’s display that indicates Mazda Connected Services. This new feature is a global technology and designed with the latest version of Mazda ConnectTM. At this time, the service is not active for Mazda3 vehicles in the U.S. Any updates to the service will be announced at the appropriate time.”
• 10174590Apr 8, 2020Equipment. Some vehicles may experience the symptoms mentioned below, which can be fixed with the latest software update (Version 7000C0A-NA01_11002 or later). MAZDA CONNECT Software Version 11002 NOTE: “Mazda3 owners may notice an icon in their infotainment’s display that indicates Mazda Connected Services. This new feature is a global technology and designed with the latest version of Mazda ConnectTM. At this…
• 10174594Apr 6, 2020Equipment. MAZDA CONNECTED SERVICES - FREQUENTLY ASKED QUESTIONS (FAQ). General Questions, Setup and Getting Started, Registration / Enrollment, WI-FI General Information, WI-FI How-To, WI-FI Trial Period, Interacting With The App, Service Issues, Troubleshooting, Dealer Processes, Educational Videos, Resources
• 10174685Apr 2, 2020Wheels. Some vehicles may display incorrect tire pressures in MAZDA CONNECT. This may be caused by an incorrect calendar entry (month/day/year) after a battery disconnect or infotainment system software update.
• 10174677Apr 2, 2020Electrical system, Equipment, Engine cooling. Key Transmitter Power Saving Function: When the key transmitter Power Saving Function is turned ON, transmitter battery power consumption is restricted, thereby extending the transmitter battery life. IMPORTANT:  The engine will not start unless the key transmitter is held over the Start Stop button.  Outside door handle lock/unlock touch sensor is inoperative.  Key transmitter indicator lights…
• 10174632Apr 2, 2020Equipment, Engine cooling, Exterior lighting, Electrical system. Some customers may complain about any of the following:  Vehicle Center Display does not provide the One Time Pass Code during the MyMazda App Connected Vehicle enrollment.  Remote function(s) inoperative.  Engine Start / Stop  Door Lock / Unlock  Lights ON / OFF
• 10173223Mar 23, 2020Equipment, Electrical system. When the body control module (BCM) has been replaced or reprogrammed and the software is updated to the file names shown below, DTC U2050:55-BCM (Activation of remote control not implemented) may be stored in memory without any warning indication for the driver. This is caused by a communication error between the telematics communication unit (TCU) and BCM when the control software in them are not of the version…
• 10173254Mar 12, 2020Back-over prevention (rear camera), Electrical system, Brakes, Equipment. Some customer may experience all of the following when turning the ignition ON under hot weather conditions such as parking under the hot sun for some period of time:  i-ACTIVSENSE warning light ON (1)  Smart Brake Support (SBS) indicator light ON (2)  "Excessive Camera Temp. Drive Safely" or "Safety and Driver Support Systems Temporarily Disabled" warning messages  DTC B14F9:00 stored in…
• 10173097Mar 12, 2020Transmission and drivetrain, Equipment, Brakes, Engine cooling. Mazda has developed factory recommended scheduled maintenance services that support all major vehicle systems. Mazda recommends dealers follow the scheduled maintenance tables as cited in the vehicle specific workshop manual or owner's manual. Services performed outside of Mazda's factory scheduled maintenance are not recommended. These services are unnecessary and create unneeded expenses for your customers.
• 10173226Mar 11, 2020Equipment, Electrical system. Some customers may complain about any of the following:  Vehicle Center Display does not provide the One Time Pass Code during the MyMazda App Connected Vehicle enrollment.  Remote function(s) inoperative.  Engine Start / Stop  Door Lock / Unlock  Lights ON / OFF. Confirm the customer's phone and vehicle have good to strong reception during the concern as…
• 10173252Mar 9, 2020Electrical system, Equipment. Key Transmitter Power Saving Function: When the key transmitter Power Saving Function is turned ON, transmitter battery power consumption is restricted, thereby extending the transmitter battery life. IMPORTANT:  The engine will not start unless the key transmitter is held over the Start Stop button.  Outside door handle lock/unlock touch sensor is inoperative.  Key transmitter indicator lights…
• 10173224Mar 6, 2020Equipment. MAZDA CONNECTED SERVICES - FREQUENTLY ASKED QUESTIONS (FAQ). General Questions, Setup and Getting Started, Registration / Enrollment, WI-FI General Information, WI-FI How-To, WI-FI Trial Period, Interacting With The App, Service Issues, Troubleshooting, Dealer Processes, Educational Videos, Resources
• 10173228Mar 4, 2020Equipment. The owner’s manual contains procedures and precautions for the maintenance and cleaning of plastic parts, like the brand emblem. However, it is still important to remind customers about these precautions. Customers should never use inadequate, harsh or aggressive cleaning products on plastic parts.
• 10173249Mar 3, 2020Forward collision avoidance, Equipment. Some vehicles may have one of the following DTCs stored in memory:  C1001:92 - Forward sensing camera (FSC) poor field of view  B14F0:92 - General temporary failure in forward sensing camera (FSC) DTC C1001:92 or B14F0:92 set as a past record for low visibility of the Forward Sensing Camera (FSC). It does not mean there is an actual FSC defect.  In some cases the customer may have a concern with…
• 10171838Feb 28, 2020Electrical system. When the body control module (BCM) has been replaced or reprogrammed and the software is updated to the file names shown below, DTC U2050:55-BCM (Activation of remote control not implemented) may be stored in memory without any warning indication for the driver.This is caused by a communication error between the telematics communication unit (TCU) and BCM when the control software in them are not of the version…
• 10171837Feb 28, 2020Equipment. 2020 CX-30 SERVICE CAUTIONS FOR NEW AND REVISED FEATURES. The 2020 CX-30 has new and revised features that are different from previous models, and may be difficult to understand. This Service Alert provides valuable information to support potential dealer and customer concerns.
• 10171836Feb 28, 2020Equipment. DTC P0942:49 TROUBLESHOOTING: P0942:49 is missing from the Workshop Manual on MGSS. Follow the repair procedure below to repair the vehicle until the information is added to the Workshop Manual.
• 10171835Feb 27, 2020Equipment. MAZDA CONNECTED SERVICES - FREQUENTLY ASKED QUESTIONS (FAQ). General Questions, Setup and Getting Started, Registration / Enrollment, WI-FI General Information, WI-FI How-To, WI-FI Trial Period, Interacting With The App, Service Issues, Troubleshooting, Dealer Processes, Educational Videos, Resources
• 10171834Feb 27, 2020Equipment. Some customers may complain about SiriusXM Travel Link, Traffic Plus showing expired even though the customer purchased a paid subscription. SiriusXM audio packages do not include SiriusXM Travel Link, Traffic Plus. To get Traffic Plus, the customer must purchase the Infotainment "SiriusXM Traffic Plus with SiriusXM Travel Link (TM)" package.
• 10171833Feb 27, 2020Equipment. SiriusXM Traffic Plus and Travel Link are displayed with Mazda in-vehicle factory navigation systems. Both of these services provide information in the U.S. & Canada. NOTE: SiriusXM Traffic Plus and Travel Link subscription is free of charge for 3 years only if equipped with factory installed navigation system. NOTE: 2019-2020 Mazda3 and 2020 CX-30 are not equipped with factory installed navigation system,however…
• 10171832Feb 27, 2020Equipment. Vehicle Center Display does not provide the One Time Pass Code during the MyMazda App Connected Vehicle enrollment. Remote function(s) inoperative. Engine Start / Stop - Door Lock / Unlock - Lights ON / OFF
• 10171843Feb 26, 2020Wheels. Some automotive cleaning products contain strong acid or alkali. When these types of cleaners are used to clean the wheels on Mazda vehicles, the chemicals contents penetrate the clear coating of the wheel surface and damage the paint under the clear coating. The damaged area has the appearance of dark stains.
• 10171792Feb 26, 2020Transmission and drivetrain. Service part Automatic Transaxles (ATX) manufactured on or after July, 2018 are shipped with a blank TCM that requires configuration. NOTE: The following Caution is included with every ATX that requires configuration.
• 10171791Feb 25, 2020Electrical system. Some customers may experience a "IN-VEHICLE NETWORK MALFUNCTION" warning message in the instrument cluster with one or more of the following DTC's stored: B119F:01 TCU - Tel antenna No.

← All problems reported for the 2020 Mazda CX-30