2021 Mazda CX-30 Technical Service Bulletins

616 technical service bulletins (TSBs) are on record for the 2021 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.

• 10222571Jun 14, 2022Latches, locks and linkages. Some vehicles may exhibit the fuel-filler or charge lid opening unintentionally when unlocking the front doors using the door lock switch, the touch sensor on the outer door handle, or the remote transmitter. This is caused by a mechanical issue at the actuator of the fuel-filler/charge lid (when the fuel filler/charge lid is pushed hard, the guide pin in the actuator comes off). To eliminate this concern, the…
• 10215244Jun 10, 2022Electrical system, Equipment, Other or unknown. Some customers may complain about scratches on the instrument cluster lens.
• 10215015Jun 9, 2022Electrical system. Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
• 10215238Jun 7, 2022Transmission and drivetrain. Service part Automatic Transaxles (ATX) manufactured on or after July, 2018 are shipped with a blank TCM that requires configuration.
• 10215362Jun 1, 2022Equipment, Electrical system. Some vehicles may exhibit the warning messages "Safety and Driver Support Systems Temporarily Disabled" or "Front Radar Obscured.
• 10213202May 27, 2022Electrical system. Some customers may experience one or both of the following symptoms while locking and unlocking the doors works fine using the remote transmitter. * Symptom 1: The touch sensor of the front door outer handle does not lock the doors after rain and/or car washing, even though unlocking is possible. * Symptom 2: The touch sensor of the front door outer handle does not unlock the doors.
• 10213201May 25, 2022Electrical system. Some vehicles may experience the symptoms mentioned below, which can be fixed with the latest software update (Version 74.00.311 or later).
• 10213185May 24, 2022Suspension. Some customers may complain of signs of oil on the struts or shock absorbers. In most cases the oil that is present is normal, and a result of the oil that remains on the shaft during the normal sweeping process of the shaft seal. Follow the inspection guidelines below to determine if the condition is a result of the normal sweeping process or a failure of the shaft seal.
• 10213121May 23, 2022Equipment, Electrical system, Other or unknown. Use the symptom troubleshooting tables to diagnose MAZDA CONNECT concerns.
• 10213148May 20, 2022Electrical system. When the Telematics Control Unit (TCU) replacement is necessary due to a failure, use MDARS to activate the new TCU after replacement. Use the information in this service alert to initialize the new TCU until the procedure on MGSS is updated.
• 10213147May 19, 2022Wheels. Some vehicles may exhibit a steering shimmy or body vibration during the PDI test drive or during the first few miles of driving after the vehicle has been delivered to the customer due to flat spots on the tires. Flat spots on tires may be caused by improper maintenance during dealer storage (e.g.: Vehicle was left stationary for a prolonged period of time in high ambient temperatures).
• 10213206May 18, 2022Electrical system. Some vehicles may experience the symptoms mentioned below, which can be fixed with the latest software update (Version 7000C0A-NA01_12002 or later).
• 10213125May 12, 2022Electrical system, Other or unknown. Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
• 10213145May 6, 2022Wheels. Some customers may complain that the tire sidewalls are distorted or "damaged".
• 10213140May 6, 2022Other or unknown. Mazda Connected Services Frequently Asked Questions (FAQs)
• 10213139May 6, 2022Latches, locks and linkages, Exterior lighting, Equipment, Electrical system. Some customers may complain about any of the following: *Infotainment Center Display does not provide the Authorization Code during the MyMazda App Connected Vehicle enrollment. **Remote function(s) inoperative. **Engine Start / Stop **Door Lock / Unlock **Lights ON / OFF *MAZDA CONNECT connected vehicle reception strength icon shows "X" or " ". Confirm the customer's phone and vehicle have good to strong reception…
• 10213204May 4, 2022Electrical system. Some vehicles may experience the symptoms mentioned below, which can be fixed with the latest software update (Version 7000C0A-NA01_12002 or later).
• 10213142May 2, 2022Electrical system, Equipment. Qi Wireless Charger Symptom Troubleshooting
• 10210887Apr 27, 2022Equipment, Electrical system. Apple CarPlay / Android Auto Frequently Asked Questions (FAQs)
• 10210884Apr 26, 2022Engine cooling. A tapping/rattling noise may be noticed from the valve train area. This operating condition can occur on new vehicles which have been delivered to Mazda dealers (due to loading and unloading from transport trucks or customers moving their vehicles in and out of their garages to wash the vehicle, etc.). This condition may also occur if the engine is not allowed to warm up after multiple cold starts.
• 10210917Apr 22, 2022Air bags. Some vehicles may exhibit that the air bag warning light turns on or repeats cycles of turning on and off with DTC B1126:13 and/or B1127:13 stored in memory.
• 10210880Apr 20, 2022Equipment, Electrical system. Some customers may complain about the following symptoms occurring when driving without anything ahead (no metallic object reflects the radar wave such as a vehicle ahead, an oncoming vehicle, a road sign or a guard rail). *While using Mazda Radar Cruise Control (MRCC), the MRCC cancels by itself. NOTE: The customer may misinterpret MRCC cancellation as unintended braking. MRCC cancellation feels the same as the…
• 10210936Apr 19, 2022Latches, locks and linkages, Body and structure. Some vehicles may exhibit corrosion on the liftgate lock striker. This may be caused by water penetrating from micro cracks existing on the lock striker's coating surface that reacts with zinc contained in the undercoating and produces the corrosion. To eliminate this concern, a modified undercoating has been established for the liftgate lock striker.
• 10210911Apr 19, 2022Steering. Some vehicles may exhibit a knocking noise from the steering column while driving. This may be caused by an improper manufacturing process where the worm wheel gear is not at a proper distance.
• 10210933Apr 8, 2022Seats, Equipment. At PDI or when new vehicle is delivered, some customers may complain about wrinkles on the leather seat cushion and/or seat back surface. Customers having this concern should have their vehicle repaired by a qualified upholstery repair specialist using the following repair procedure.
• 10210879Apr 6, 2022Electrical system. Mazda Connected Services Frequently Asked Questions (FAQ).
• 10210867Apr 6, 2022Engine cooling. The WSM shows 3 possible crankshaft sprocket and timing chain combinations (Type A, B and C), but some vehicles have been produced with a combination of Type A timing chain with 2 yellow-colored links with a Type B crankshaft sprocket.
• 10210902Apr 5, 2022Steering. Some customers may complain that the steering wheel is off center more than 3° even when driving straight on a flat road.
• 10210865Apr 4, 2022Electrical system. Some customers may complain about any of the following: Infotainment Center Display does not provide the Authorization Code during the MyMazda App Connected Vehicle enrollment. *Remote function(s) inoperative. *Engine Start / Stop **Door Lock / Unlock **Lights ON / OFF *MAZDA CONNECT connected vehicle reception strength icon shows "X" or " ". Confirm the customer's phone and vehicle have good to strong reception…
• 10210847Apr 4, 2022Equipment. There are currently 2 methods for cutting a new auxiliary key blank. A. Auxiliary Key Trace Cut Method B. Auxiliary Key Code Cut Method
• 10210844Apr 4, 2022Electrical system. Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
• 10209761Mar 29, 2022Equipment. Accessory instructions can be found on OneMazda under Dealer Resources - Parts & Accessories.
• 10209778Mar 17, 2022Equipment, Electrical system. The Mazda DCA-8000 is required for all warranty battery testing. If the Mazda DCA-8000 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.
• 10209757Mar 16, 2022Engine. A new cylinder head assembly for service parts has been newly established for SKYACTIV-G 2.5 with cylinder deactivation when replacement is needed. Valves, valve springs, valve spring seats, and cotters (IN/EX) are included in the new assembly.
• 10209755Mar 15, 2022Electrical system, Equipment, Tires. Some customers may complain about the infotainment system and/or the MyMazda App showing incorrect tire pressures and/or tire pressure missing. This may be caused by: Incorrect calendar entry (month/day/year) after a battery disconnect *Infotainment system software update. *BCM TPMS unlearn during vehicle storage or transport. *Wheel/Tire change
• 10209816Mar 11, 2022Engine, Electrical system. Some customers may complain about frequent low battery warning message appearing in the instrument cluster. The warning message appears when the power saving mode is activated to avoid a drained battery. Depending on the customer usage, the warning message may appear more frequently due to the condition for the power saving mode to be activated sooner and to be deactivated later.
• 10209751Mar 11, 2022Electrical system. Mazda3 and CX-30: Prior to February 8, 2022, some vehicles may store DTC U0300:57 (Body control module (BCM) internal malfunction) and cannot be erased after a BCM replacement or MDARS BCM software update (NOT with BCM update for SSPC5 or 4621B using MDRT). This is caused by a BCM-VCM software error. MX-30: Some MX-30 vehicles may store DTC U0300:57 (Body control module (BCM) internal malfunction) and cannot be…
• 10209768Mar 10, 2022Equipment, Engine cooling. Some vehicles may exhibit an excessive body vibration when idling or driving after being left in extremely cold weather (-20°C/-4°F or below) for a long time. This is caused by the No.1, No. 3 and No. 4 rubber hardening due to material characteristics. NOTE: This concern only happens in extremely cold weather, therefore this TSB is only applicable for extremely cold regions.
• 10209821Mar 9, 2022Electrical system. Some vehicles entertainment system may experience the symptoms mentioned, which can be fixed with the latest software update (Version 7000C0A-NA01_11012 or later).
• 10209752Mar 9, 2022Wheels, Equipment, Transmission and drivetrain. There have been warranty claims submitted for growling or bearing whine noise in differentials, transfer units and transmissions where the source of the noise was a wheel bearing. This misdiagnosis can lead to multiple repair attempts, warranty debits, and additional inconvenience and/or cost to the customer. To reduce the chance of this occurring, please follow the steps outlined in the repair procedure.
• 10209748Mar 4, 2022Electrical system. Mazda3 and CX-30: Prior to February 8, 2022, some vehicles may store DTC U0300:57 (Body control module (BCM) internal malfunction) and cannot be erased after a BCM replacement or MDARS BCM software update (NOT with BCM update for SSPC5 or 4621B using MDRT). This is caused by a BCM-VCM software error. MX-30: Some MX-30 vehicles may store DTC U0300:57 (Body control module (BCM) internal malfunction) and cannot be…
• 10209812Mar 1, 2022Body and structure, Equipment. Some vehicles may exhibit water leaking into the passenger compartment from the rear door through the bottom of the service hole behind the rear door trim during rain or when washing the vehicle. This is caused by one of the following: *Since the material of the seal rubber is not resistant to surfactants, the rubber deteriorates when the vehicle is washed and allows water to penetrate into the seal rubber of the…
• 10209790Mar 1, 2022Fuel system, Latches, locks and linkages, Equipment. Some customers may experience that after the doors are locked and the Fuel Door Lock Delay with MAZDA CONNECT has passed (default setting is 90 seconds), the fuel-filler lid does not lock and can be opened when pressing it. NOTE: *The fuel-filler lid does not lock immediately after the doors are locked, but after the time set in the Fuel Door Lock Delay (0, 30, 60, 90, and 120 seconds).
• 10208564Feb 28, 2022Transmission and drivetrain, Suspension. There have been warranty claims submitted for growling or bearing whine noise in differentials, transfer units and transmissions where the source of the noise was a wheel bearing. This misdiagnosis can lead to multiple repair attempts, warranty debits, and additional inconvenience and/or cost to the customer. To reduce the chance of this occurring, please follow the steps outlined in the repair procedure.
• 10208566Feb 25, 2022Electrical system, Equipment. Some vehicles equipped with SiriusXM Travel Link and a Navigation SD Card added by dealer/customer may experience a SiriusXM Travel Link error when selecting Parking Information.
• 10208556Feb 23, 2022Brakes, Engine cooling, Steering, Transmission and drivetrain. 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.
• 10208568Feb 18, 2022Transmission and drivetrain. The new AWD rear differential DOES NOT come with a breather cap on the rear of the differential, therefore a new one will need to be ordered and installed when replacing the differential. NOTE: The breather threads have a sealant and locking compound that prevents it from being reused. Refer to GEPC for the correct part number of the Differential Breather. The instructions on MGSS will be updated soon to include…
• 10208567Feb 10, 2022Body and structure. Some vehicles may experience exterior trim heat damage when parked near a glass building or Low-E windows. This may be caused by the sun's reflection.
• 10208559Feb 10, 2022Electrical system. Some vehicles may have a "Low Battery Risk. Start Vehicle to Charge 12V Battery" warning message in the instrument cluster and a 30 second alarm sound. This is caused by the vehicle's electrical control area network (CAN) entering "Sleep Mode" when the network awake time reaches 30 cumulative minutes without the engine running.
• 10208557Feb 10, 2022Transmission and drivetrain, Engine cooling. Some vehicles may exhibit an excessive body vibration when idling or driving after being left in extremely cold weather (-20°C/-4°F or below) for a long time. This is caused by the No.1, No. 3 and No. 4 rubber hardening due to material characteristics. NOTE: This concern only happens in extremely cold weather, therefore this TSB is only applicable for extremely cold regions.

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