2025 Mazda CX-70 Technical Service Bulletins

270 technical service bulletins (TSBs) are on record for the 2025 Mazda CX-70. 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.

• 11008571Sep 11, 2024Other or unknown, Electrical system. Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
• 11008425Sep 11, 2024Electrical system, Engine. Some customers may complain that the MyMazda App Remote Engine Start function fails. MX-30 and PHEV vehicles do not have a Remote Engine Start function; instead, they are equipped with the following remote functions: Start / Stop Charge Climate On / Off
• 11008419Sep 11, 2024Lane departure, Engine, Electrical system, Forward collision avoidance. The CX-70 and CX-90 have 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.
• 11007029Aug 26, 2024Electrical system. For improvement of electrical diagnosis, the SKYACTIV® Wiring Terminal Test Kits has been delivered all the dealers. The terminal test kit enables you: To check pin fit drag of all PCM terminals used in SKYACTIV® vehicles and compare suspect terminal drag with a known good terminal. To measure the voltage/resistance avoiding any terminal damage.
• 11006905Aug 22, 2024Other or unknown. Some customers may complain about a low washer fluid level warning message even though a visual inspection of the washer fluid tank looks like it still has a fair amount of fluid in it. With the CX-90 and CX-70 introduction of the front-engine and rear-wheel-drive layout, the washer tank shape was changed from a vertical to a horizontal type. This makes it look like there is still enough liquid left if viewed from…
• 11007009Aug 21, 2024Brakes. Some vehicles exhibit brake related concerns such as brake noise, brake judder or brake dragging. If you encounter a customer complaint for any one of these symptoms, refer to the following information to understand why symptoms may occur, and to better assist the customer in resolving their specific brake concern.
• 11007027Aug 15, 2024Steering. Before judging a steering wheel as having premature wear or a defect, first clean the steering wheel as explained in the repair information. Some vehicles may have steering wheel stains caused by chemicals such as hand lotions.
• 11007024Aug 15, 2024Body and structure, Fuel system. 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 for 2019-2021 Mazda3 and 2020-2021 CX-30 are present.
• 11007022Aug 15, 2024Body and structure. Some vehicles may experience exterior trim heat damage such (melted, separating, etc.) when parked near a glass building or Low-E windows. This may be caused by the sun's reflection.
• 11007019Aug 15, 2024Electrical system, Other or unknown, Engine. 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 MGSS diagnosis by asking if any aftermarket devices have been installed. Aftermarket devices may be the cause of the electrical concern. Below are a few examples of unusual electrical concerns caused by aftermarket devices.
• 11007018Aug 13, 2024Body and structure. Interior parts made of resin have antistatic coating to prevent dust from sticking on the surfaces, and depending on the conditions of use, the antistatic components may crystallize slightly, giving an appearance of white stains on the surface. To remove the stains, wipe the stained surface with a towel soaked with water mixed with a small portion of a neutral detergent. If the white stains reappear again, simply…
• 11007015Aug 13, 2024Transmission and drivetrain. A New Automatic Transmission Fluid (ATF-A7) is being used for some 2023, 2024 and 2025 models. ATF-A7 is an extremely low viscosity formulation with low friction to achieve best-in-class fuel economy and driving performance. For easy identification, ATF-A7 is colored Red and ATF-FZ is colored Blue. There is NO interchangeability between ATF-A7 and ATF-FZ.
• 11007013Aug 12, 2024Other or unknown. Auxiliary key blank cutting procedure. There are currently 2 methods for cutting a new auxiliary key blank. A. Auxiliary Key Trace Cut Method B. Auxiliary Key Code Cut Method
• 11006897Aug 10, 2024Exterior lighting. Some vehicles equipped with the Adaptive Front lighting System (AFS) may exhibit the exterior light warning light/exterior light warning indication on while driving or when the ignition is turned on and DTC B10A3:86 (Error signal received from swivel actuator (LH)) stored in memory.
• 11007010Aug 7, 2024Transmission and drivetrain, Engine. Some customer's might state that they notice fluid or oil leaking/dripping on the ground when the vehicle is parked. For this concern, inspect the vehicle for any trace of a fluid or oil leak and use the following examples as a guide to determine if it is severe enough to require a repair, or just to clean the area and monitor it at the next service.
• 11006995Aug 5, 2024Other or unknown, Electrical system. Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
• 11006902Aug 2, 2024Other or unknown. Some customers will report that their fuel filler lid (door) was stuck closed and would not open to refuel the vehicle. The fuel door may or may not be missing.
• 11006896Aug 2, 2024Exterior lighting. Some customers may complain that on rainy days, the front combination light may appear to flicker or flash when the vehicle is stopped. This is not a vehicle defect since the lights are functioning properly; but rather, it is a phenomenon that can occur due to light refraction from water running over the headlamp lens while illuminated.
• 11005671Jul 29, 2024Other or unknown. 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.
• 11005585Jul 26, 2024Body and structure. Some customers may experience an issue where the hood cannot be opened using the release cable. To open the hood for diagnosis and repairs, follow the repair procedure below.
• 11005584Jul 26, 2024Electrical system. Some customers may report that the charge lid (door) on the vehicle was stuck closed and would not open to charge the vehicle. The charge lid may or may not be missing.
• 11005583Jul 26, 2024Transmission and drivetrain. Some customers may report they intermittently cannot shift out of Park (P) after starting the vehicle.
• 11005582Jul 26, 2024Body and structure. Customers may report that the liftgate does not open or unlatch. This may happen after a discharged battery or after charging a dead battery.
• 11005581Jul 26, 2024Body and structure. Some customers or dealerships will report a gap at the door garnish (trim).
• 11005580Jul 26, 2024Body and structure, Electrical system. Some customers will report their window will not auto-close. This may be caused by the vehicle learning the window current draw incorrectly because the door moved when the initialization was performed.
• 11005579Jul 26, 2024Fuel system. Some customers will report that their fuel filler lid (door) was stuck closed and would not open to refuel the vehicle. The fuel door may or may not be missing.
• 11005578Jul 25, 2024Seats. Some customers may experience the automatic seat position adjustment operation being interrupted when adjusting the seat position using the driver personalization system or the position memory system. This unintentional interruption may be caused by the safety mechanism that stops the seat adjusting function when the sensor detects an interference, such as a trapped object caught in the seat track.
• 11005563Jul 25, 2024Exterior lighting. Some vehicles may experience a warning light ON, warning messages, or a headlamp concern. After checking the vehicle, DTC B10A3:86 may be stored with or without other DTCs. Follow the repair procedure below for B10A3:86. Customers having this concern should have their vehicle repaired using the following repair procedure.
• 11005559Jul 24, 2024Other or unknown. Some customers with a PHEV CX-90 may report a warning light or a reported issue of A/C malfunction. Upon inspection, the technician will discover that the vehicle has the P0531 diagnostic trouble code set.
• 11005577Jul 23, 2024Other or unknown. This Service Alert provides additional guidance about operation and procedure of the Driver Personalization System from the start of driver recognition to the end of the driving position restoration. Timing (start/completion/discontinuing) of driver recognition and a driving position restoration:
• 11005551Jul 18, 2024Seats. At PDI or when new vehicle is delivered, some customers may complain about wrinkles on the leather seat cushion and/or seat back surface. NOTE: This repair is not a permanent fix, it is meant to make new seats look their best when the vehicle is first presented to the customer. • Wrinkles may not be completely removed after the repair is completed. • Leather is a natural material and may develop some wrinkles due…
• 11005560Jul 12, 2024Engine. Click here to view coolant bleeding procedure.
• 11005543Jul 8, 2024Seat belts. Some customers may complain that the warning sound in the passenger compartment (notifies i-ACTIVSENSE warnings, seat belt warning etc.) is too loud. Some of the volume settings in the notification and warning amplifier are not properly set. The control software of the notification and warning amplifier has been modified to eliminate this concern. CX-70 / CX-90 NOTE: This repair is also applicable for a "WARNING…
• 11005562Jul 2, 2024Engine, Electrical system. Some customers may experience a vehicle no start (no "Ready-ON") due to the 12V battery discharged or the High Voltage (HV) battery discharged. This may be caused by: Ignition left ON when exiting the vehicle (exiting the vehicle during "Ready-On"). Door/liftgate opened multiple times without ignition "Ready-ON" or driving vehicle. Installation of aftermarket electronic devices.
• 11005561Jul 2, 2024Transmission and drivetrain. The 7G large platform utilizes a new 8-speed automatic transmission. Due to changes in the parking lock mechanism, which is now hydraulically operated, the neutral range in the transmission can only be achieved if the engine is running (or “Ready-On” for PHEV). With this design, there is no provision to manually engage neutral. This can cause challenges to dealers, customers, or towing providers when a vehicle…
• 11005538Jul 2, 2024Electrical system. Some customers may experience a “Telematics Malfunction” message in the instrument cluster with DTC U3000:04-TCU (Telematics communication unit internal malfunction) stored in memory. This is caused by improper control software of the telematics communication unit (TCU). To eliminate this concern, the control software of the TCU has been modified.
• 11003395Jun 29, 2024Other or unknown. Mazda Connected Services - Frequently Asked Questions (FAQ)
• 11003355Jun 22, 2024Seat belts. Some customers may complain that the warning sound in the passenger compartment (notifies i-ACTIVSENSE warnings, seat belt warning etc.) is too loud. Some of the volume settings in the notification and warning amplifier are not properly set. The control software of the notification and warning amplifier has been modified to eliminate this concern. CX-70 / CX-90 NOTE: This repair is also applicable for a "WARNING…
• 11003354Jun 22, 2024Other or unknown, Electrical system. Some customers may experience a “Telematics Malfunction” message in the instrument cluster with DTC U3000:04-TCU (Telematics communication unit internal malfunction) stored in memory. This is caused by improper control software of the telematics communication unit (TCU). To eliminate this concern, the control software of the TCU has been modified.
• 11003362Jun 18, 2024Body and structure, Other or unknown. The image and text are incorrect in the original installation instruction for Section 9, step 16 where it shows a square head nut, washer, and flange nut. The washer is not used in this portion of the installation and the image and bolt assembly description is incorrect The correct image shown below in image on the right.
• 11003225Jun 13, 2024Other or unknown, Electrical system. Some customers may experience a warning message for the approaching vehicle audible system (AVAS) right after the ignition is turned on (POWER ON) while a loud noise, such as a horn, occurs close to the vehicle. Upon inspection, DTC B1A03:2B [ISB_AMP] (AVAS device circuit malfunction) is stored in memory. This may be caused by an internal initial diagnosis in the notification and warning amplifier detecting a false…
• 11003398Jun 7, 2024Other or unknown. 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.
• 11003397Jun 7, 2024Wheels. 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 or discoloration.
• 11003396Jun 7, 2024Brakes. Some vehicles exhibit brake related concerns such as brake noise, brake judder or brake dragging. If you encounter a customer complaint for any one of these symptoms, refer to the following information to understand why symptoms may occur, and to better assist the customer in resolving their specific brake concern.
• 11003359Jun 7, 2024Other or unknown. A kick-down switch has been adopted to determine when the customer has fully depressed the throttle pedal for maximum acceleration. A load can be felt while the accelerator pedal is being depressed. When the accelerator pedal is depressed further, the kick-down switch is activated and a click is felt. The driver can control the kick-down by knowing the amount of accelerator depression. An electrical signal is not…
• 11003357Jun 7, 2024Electrical system. Some customers may experience the following symptoms: No sound from some audio sources (AM, FM, SiriusXM®) after turning the ignition on. Radio station selection (AM, FM, SiriusXM®) changes unintentionally after turning the ignition on. Audio source cannot be changed. Diagnosing according to MGSS online does not solve the problem. These concerns may be caused by the remote tuner not operating properly under certain…
• 11000778Jun 1, 2024Body and structure. Some customers may complain about color discrepancies (brightness differences) of the image displayed on the screen when using the 360°view monitor. As this phenomenon is not a system failure, do not make any repairs or replace any parts. Explain the cause of this occurrence to the customer as follows: The 360°view monitor is a system that provides a complete picture of the vehicle surroundings by combining the…
• 11000775Jun 1, 2024Engine. There is a concern that some water pumps are being replaced that are not faulty, due to signs of a very small coolant leak from the bleed hole. This Service Alert is to inform you about the water pump sealing mechanism and the criteria if replacement is necessary or not.
• 11000688May 30, 2024Body and structure, Other or unknown. This Service Alert provides additional guidance about operation and procedure of the Driver Personalization System from the start of driver recognition to the end of the driving position restoration.
• 11000687May 30, 2024Other or unknown. Due to variance in production, early production parts of the padded cargo liner may have long bungies for the side trim pieces. This condition may result in a loose fit around the cargo hooks. If this condition is observed, twist and wrap the bungie loop over the rear cargo hook for both LH and RH side panels for a tighter fit. NOTE: Future production parts will be made with shorter loops, so this step can be…

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