2023 Mazda CX-50 Technical Service Bulletins

351 technical service bulletins (TSBs) are on record for the 2023 Mazda CX-50. 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.

• 10219228Aug 25, 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…
• 10218777Aug 23, 2022Body and structure. Some customers will report that their fuel door was stuck closed and would not open to refuel the vehicle. Follow the repair steps below unless the conditions outlined in TSB 09-019/21 - FUEL-FILLER LID PANEL IS DEFORMED are present.
• 10218776Aug 19, 2022Electrical system. Some customers may expierience infotainment static or no audio sound and the following DTC's may be stored: - U2145:08 - Communication error with remote tuner (RT) - U0186:08 - Communication error with audio amplifier This may be caused by poor electrical connection at connector 0920-114 and/or 0920-115D (Rear Harness Side).
• 10218734Aug 18, 2022Electrical system. Some vehicles may exhibit the “Check Fuel-filler Cap” message displayed in the instrument cluster. This is caused by improper control software of the PCM. When the room fuse is installed and i-stop is activated, the message will display in the instrument cluster for three seconds only one time and no message will return. To eliminate this concern, the control software of the PCM has been modified.
• 10218774Aug 15, 2022Electrical system. Some vehicles may exhibit a power door lock that may continue activating for a few seconds after the button is pressed.
• 10218773Aug 15, 2022Brakes. If a vehicle is stuck in the EPB (Electronic Parking Brake) maintenance mode or cannot be put into the maintenance mode, use the repair procedure below to continue or complete the repairs. This happens when the MAINTENANCE MODE procedure is not followed exactly.
• 10218771Aug 1, 2022Latches, locks and linkages. Some customers may complain about a missing rear seatback release button.
• 10217205Jul 27, 2022Equipment. Some vehicles may exhibit the trim peeling off the EPB (Electronic Parking Brake) or power window switches.
• 10217195Jul 27, 2022Engine cooling. Some customers may report poor A/C performance and/or i-Stop operation concerns due to a leaking A/C condensor.
• 10217190Jul 27, 2022Body and structure. Some vehicles may exhibit paint peeling on the front bumper.
• 10217182Jul 1, 2022Equipment, Latches, locks and linkages. A small number of vehicles were produced with the incorrect mechanical front door key and key lock cylinder installed. The repair will be an inspection or replacement of the key and key lock cylinder.
• 10215222Jun 29, 2022Body and structure, Equipment. Customers may report excess wind noise from the vehicle and that noise may be coming from the crossbars or that the sunroof will not open because it contacts a crossbar or the load on the cross bars. As noted in the crossbar instructions, the crossbars should be removed when not in use to reduce fuel consumption from the increased drag and to reduce wind noise.
• 10215274Jun 22, 2022Electrical system. 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.
• 10215244Jun 10, 2022Electrical system, Equipment, Other or unknown. Some customers may complain about scratches on the instrument cluster lens.
• 10215218Jun 9, 2022Equipment. Before beginning installation of the accessory illuminated door sill plate, review the information in this Service Alert or the parts may not fit correctly.
• 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.
• 10215225Jun 3, 2022Body and structure. Customers may complain about either rear fender liner (mudguard) hanging down because it is too short to fit into the fender trim.
• 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.
• 10213150May 23, 2022Equipment. If the mechanical keys cannot be located during PDI, review the suggested steps below prior to moving forward with key replacement.
• 10213149May 20, 2022Body and structure. During PDI, an indentation in the rear bumper may be noticed, and in some cases, the customer may return after delivery to report the indentation.
• 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).
• 10213125May 12, 2022Electrical system, Other or unknown. Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
• 10213146May 11, 2022Body and structure. Some customers may report a rattle from the sunroof area. Make sure to read the complete repair procedure before attempting any repairs as the sunroof may have rattles from more than one location.
• 10213141May 10, 2022Equipment. Before beginning installation of the accessory illuminated door sill plate, review the information in this Service Alert or the parts may not fit correctly.
• 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…
• 10213143May 3, 2022Equipment, Body and structure. Customers may report excess wind noise from the vehicle and that noise may be coming from the crossbars. As noted in the crossbar instructions, the crossbars should be removed when not in use to reduce fuel consumption from the increased drag and to reduce wind noise. Let the customer know that the instructions show how to install, remove, and adjust the crossbars.
• 10213142May 2, 2022Electrical system, Equipment. Qi Wireless Charger Symptom Troubleshooting
• 10210888Apr 29, 2022Equipment, Body and structure. Before beginning installation of the accessory illuminated door sill plate, review the information in this Service Alert or the parts may not fit correctly.
• 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.
• 10210883Apr 22, 2022Body and structure. Before beginning the installation of the accessory side rocker trim (aka "garnish"), part number VA40-V3-100, read these instructions.
• 10210882Apr 21, 2022Equipment, Other or unknown. The installation instructions included in the box with the tow hitch accessory, part number VA40-V3-920, are not correct. Please read this Service Alert before beginning the installation process of the accessory tow hitch.
• 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).
• 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…
• 10209761Mar 29, 2022Equipment. Accessory instructions can be found on OneMazda under Dealer Resources - Parts & Accessories.
• 10209726Mar 25, 2022Equipment. The Manual booklet kit inside the vehicle must be replaced with an updated version as the original warranty information is outdated. The repair will be to discard the old booklet kit and replace with a new version. The new booklet will be shipped UPS to the service manager at all affected dealers by March 29-30, 2022, please do not order a new booklet kit.
• 10209724Mar 25, 2022Electrical system, Equipment. The Apple Car Play and Android Auto (AA/CP) software in the vehicles below needs to be updated to the latest version. The affected vehicles were built with an older version of the software and AA/CP functions may not work correctly. The repair will be a CMU software update via USB stick.
• 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.
• 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
• 10209754Mar 10, 2022Equipment, Electrical system. The CX-50 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.
• 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.
• 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.
• 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…

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