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.

• 11029238Feb 26, 2026Exterior lighting. This bulletin supersedes the previously issued bulletin(s) listed below. The changes are noted in Red. 09-019/25 04/15/25 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.
• 11029225Feb 26, 2026Engine. Some vehicles may exhibit green residue (yellow circle) on the outer surface of the coolant reserve tank, which appears to be coolant blowback. This is caused by coolant seeping out and appearing as leakage from small pores (slight gaps) formed due to the deterioration of the coolant reserve tank (sub) material. To eliminate this concern, the material of the coolant reserve tank (sub) will be modified.
• 11029228Feb 20, 2026Body and structure. Some vehicles exhibit creaking noise from the left side power liftgate (PLG) drive unit when moving (opening/closing) the power liftgate by hand and /or automatically. The noise tends to occur during moving, particularly at the start of opening or closing. As the condition progresses, it may be accompanied by functional issues such as increased operating effort, a “hard to move” feeling, or the PLG stops partway…
• 11029227Feb 11, 2026Body and structure. This bulletin supersedes the previously issued bulletin(s) listed below. The changes are noted in Red. 09-021/25 04/23/25 Some customers may complain about a creaking noise coming from the door area when driving on rough roads. This may be caused by a stick-slip occuring as plastic components of the door latch deform due to external forces applied from the striker to the latch and actuator.
• 11029491Feb 5, 2026Engine. On some vehicles, an engine oil leak from the rear of the engine at the turbocharger drain back tube could be be confused as an oil leak from behind the bell housing. The bolt holes for the drain back tube to the block are drilled through to the inside of the engine and thread sealer was not properly applied to the bolts threads, causing oil to leak past the threads. NOTE: The WSM was updated to show these bolts…
• 11028093Feb 3, 2026Engine. Some vehicles may exihibit a vibration in the accelerator pedal and steering wheel when accelerating during a sharp left-hand turn. An abnormal noise may also be heard from the footwell area. This may be caused by insufficient clearance between the engine mount stopper rubber and the engine mount bracket. Customer may state: - Vehicle shudders/vibrates on left turns, most often when accelerating from a stop or…
• 11028133Jan 26, 2026Other or unknown. There are currently 2 methods for cutting a new auxiliary key blank. A. Auxiliary Key Trace Cut Method • B. Auxiliary Key Code Cut Method 2019 and newer models require a 10-digit key code to accurately cut keys • 5-digit codes CANNOT be provided for 2019 and newer vehicles (the traditional 5-digit code from the key tag or driver's door lock cylinder is not sufficient and will not be issued for key cutting on these…
• 11028097Jan 13, 2026Brakes. Some vehicles may exhibit a key-in lock situation when the speed-sensitive door lock activates unexpectedly while idling in the P-range. This may be caused by the noise generated by the Anti-lock Braking System (ABS) wheel speed sensor being mistakenly recognized as a vehicle speed pulse. To eliminate this concern, the IC chip in the ABS wheel speed sensor has been modified.
• 11028095Jan 7, 2026Seats. There are wrinkles on the leather seat cushion and/or seat back surface at PDI, when new vehicle is delivered, or when new upholstery is installed under Warranty repair. 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…
• 11028129Jan 6, 2026Electrical system, Body and structure. Customers may report that the liftgate does not open or unlatch (from closed or an ajar position). This may happen after a discharged battery or after charging a dead battery.
• 11028127Jan 5, 2026Other or unknown. Some customers may report an odor or water in the HVAC system and upon inspection, the cabin air filter may be found to be wet.
• 11026917Dec 17, 2025Electrical 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 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.
• 11026913Dec 17, 2025Electrical system, Other or unknown. Some customers may experience a message "TCU Malfunction. Have the Vehicle Inspected" in the instrument cluster. The following DTC's may be stored: B1252:87-8B:TCU - COMMUNICATION ERROR WITH CONNECTIVITY MASTER UNIT (CMU) • U0198:00-03:CMU - COMMUNICATION ERROR WITH EMERGENCY CALL UNIT/TELEMATICS COMMUNICATION UNIT
• 11026912Dec 17, 2025Fuel system, Electrical system. Some vehicles may experience the CHECK ENGINE light ON with one of the following DTCs or a combination of these DTCs. P0451 • P2422 • P2451 • P0441 • This may be caused by a concern with the fuel pressure sensor or shutter valve operation.
• 11026908Dec 17, 2025Electrical system, Other or unknown. Mazda Connect Services - Frequently Asked Questions (FAQ)
• 11026916Dec 16, 2025Electrical system, Engine, Exterior lighting. Some customers may complain about any of the following: 1. Infotainment Center Display does not provide the Authorization Code (OTP) during the MyMazda App Connected Vehicle enrollment. 2. Remote function(s) inoperative. Engine Start / Stop • Door Lock / Unlock • Lights ON / OFF • Climate Control • 3. MAZDA CONNECT connected vehicle reception strength icon shows "X" or " ". Page
• 11026911Dec 12, 2025Electrical system, Transmission and drivetrain, Engine. 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…
• 11026910Dec 5, 2025Suspension, Other or unknown, Brakes. A technician may report that DTC U0415:68 - VCM (Vehicle Control Module) cannot be cleared after replacing the DSC (Dynamic Stability Control) module.
• 11026906Dec 4, 2025Body and structure. Some customers may experience that the fuel lid and charge lid do not lock or unlock during door lock/unlock operation. This is caused by: Improper dimensional accuracy of the lid actuator lock mechanism Incomplete control logic in the R-ESU software To eliminate this concern: The mold design of the lid actuator was modified. The control software of the R-ESU was revised.
• 11026354Nov 27, 2025Transmission and drivetrain. When inspected, the differential or PTO oil is dark or black. This is considered normal and NO repair should be performed. During production, differential ring and pinion gears receive a manganese phosphate coating (commonly referred to as black oxide). This coating forms a porous, oil-retentive surface that improves boundary lubrication and reduces adhesive wear during initial contact cycles. Designed as a…
• 11026353Nov 26, 2025Brakes. 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. NOTE: Before following this Service Alert repair procedure, ensure published TSBs in MGSS have been…
• 11026352Nov 20, 2025Other 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. OUTLINE OF PROCEDURE TIMING. Timing (start/completion/discontinuing) of driver recognition and a driving position restoration:
• 11026347Nov 19, 2025Wheels. 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.
• 11026348Nov 18, 2025Transmission and drivetrain. A New Automatic Transmission Fluid (ATF-A7) is being used for some 2023-2026 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. ATF-A7 includes UV-reactive dye (see "Fluorescence Example" below). There is NO interchangeability between ATF-A7 and ATF-FZ…
• 11026092Nov 15, 2025Engine. Some vehicles may exihibit a vibration in the accelerator pedal and steering wheel when accelerating during a sharp left-hand turn. An abnormal noise may also be heard from the footwell area. This may be caused by insufficient clearance between the engine mount stopper rubber and the engine mount bracket. Customer may state: - Vehicle shudders/vibrates on left turns, most often when accelerating from a stop or…
• 11026350Nov 8, 2025Transmission and drivetrain, Steering, Suspension, Wheels. Noise, Vibration, and Harshness (NVH) Diagnostic Guidelines Diagnostic Guidelines When diagnosing NVH concerns, it is essential to first classify the issue into one of three primary categories: Noise, Vibration, or Harshness. Many customer complaints may involve overlapping symptoms, such as both noise and vibration, so identifying the dominant characteristic is critical. Once the primary symptom is determined…
• 11026351Nov 6, 2025Engine, Transmission and drivetrain. 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. Examples of residue or seepage that may not be considered a leak…
• 11026096Nov 6, 2025Other or unknown. Some customers may complain that the A/C is not cold enough. Upon inspection, a refrigerant leak (1) from the A/C hose (LO) (2) is confirmed. This may be caused by foreign material present on the block side at the A/C hose (LO) connection point. To eliminate this concern, an inspection process for foreign materials was added to the parts manufacturing process as a temporary measure. A permanent measure is under…
• 11024994Oct 23, 2025Electrical 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. NOTE: A Warranty Code is required for warranty claim submission Battery Identification (Mazda batteries have 2 rating…
• 11024838Oct 18, 2025Electrical system, Other or unknown. Some vehicles may experience the symptoms mentioned below, which can be fixed with the latest software update (Version 7230C1A-NA05_10026 or 7230C2A-NA05_10026). NOTE: If current version is not 7230C1A-NA05_***** or 7230C2A-NA05_*****, this TSB is not applicable. (Ver. 7230C1A-NA05_10026 or 7230C2A-NA05_10026) fixes these software errors (bugs): The list on the center display may appear distorted, giving a double…
• 11024835Oct 18, 2025Other or unknown. Some customers may experience that the right subwoofer audio sound pauses intermittently at high volume level. This is caused by improper control software of the audio amplifier (Bose® audio system). The audio amplifier’s power IC may sometimes mistakenly detect an over-temperature condition and shut down operation to prevent damage to the IC. To eliminate this concern, the control software of the audio amplifier…
• 11024997Oct 17, 2025Electrical system. This service information 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 batteries periodically according to the repair procedure.
• 11024995Oct 17, 2025Body and structure. Some customers will report that their fuel door (AKA, fuel filler door, fuel lid, and fuel-filler lid) was stuck closed and would not open to refuel the vehicle. Follow the repair steps below unless the conditions outlined in TSB 09-007/25 - FUEL-FILLER LID PANEL IS DEFORMED for 2019-2025 Mazda3 and 2020-2025 CX-30 are present.
• 11024996Oct 7, 2025Other or unknown. Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
• 11024999Oct 2, 2025Electrical 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.
• 11024834Oct 2, 2025Other or unknown. Some vehicles may exhibit a creaking noise from the area around the Active Driving Display on the dash pad while driving. This may be caused by the hole cover of the Active Driving Display and the internal components of the dash pad interfering with each other.
• 11023703Sep 30, 2025Other or unknown. Some vehicles may have one of the following DTCs stored in memory along with a system status notice on the Multi-information display OR display a system status notice with no DTC: C1001:92 - Forward sensing camera (FSC) poor field of view [Gen 6 vehicles] B14F0:92 - General temporary failure in forward sensing camera (FSC) [Gen 7 vehicles built on or before March 2, 2019] No DTC - Warning Message only [Gen 7…
• 11023702Sep 30, 2025Other or unknown. 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.
• 11023697Sep 26, 2025Seats. Some vehicles may exhibit a crack in the door side of the front seat cushion trim. This may be caused by the door-side surface of the cushion trim being folded and compressed when exiting the vehicle and by the surface of the cushion bolster being rubbed and stretched when entering the vehicle. Repeated occurrences of these conditions may result in a crack forming in the surface of the seat cushion trim.
• 11023694Sep 25, 2025Suspension. Some vehicles may experience a knocking noise from the front suspension when driving on a rough road or traveling over bumps. This noise is caused by a gap between the front strut bump stopper and the mounting rubber that is pushed up when roads are bumpy. To eliminate this concern, the outer diameter of the bump stopper has been modified to prevent the knocking sound during driving on a rough road or traveling…
• 11023696Sep 16, 2025Exterior lighting. Some customers may complain about a rattle or vibration noise coming from front map light surroundings when driving on a rough road. This may be caused by the bracket for the map light. Due to heat or vibrations, the fastener fixing the front map light to the bracket may deform, making the joint loose. In such case, when the vehicle bounces, the bracket may oscillate and produce a rattling noise. To eliminate that…
• 11023699Sep 13, 2025Engine, Fuel system. Regarding previous Service Alert "Fuel Gauge Inaccurate / Distance To Empty (DTE) Erratic / Engine No Start" issue. This SA has been replaced by 7825I - SAFETY AND EMISSIONS RECALL - 2024-2025 CX-90 AND 2025 CX-70 - VEHICLE MAY STALL DUE TO INCORRECT FUEL LEVEL.
• 11023700Sep 9, 2025Other or unknown, Electrical system. Mazda Connected Services - Frequently Asked Questions
• 11022629Aug 28, 2025Other or unknown. Subject: Puerto Rico specification vehicles do not have Connected Vehicle Services (CV) Owner Notification Program ONP10 – 2025MY Mazda CX-5, Mazda3, CX-70, CX-90 Dear Mazda Dealer Colleagues, Mazda Motor Corporation has decided to conduct an Owner Notification Program (ONP) on certain 2025 Mazda Corporate and Retail Fleet vehicles. There are 199 vehicles in this campaign and no Mazda Retail vehicles in dealer…
• 11022744Aug 27, 2025Transmission and drivetrain. A New Automatic Transmission Fluid (ATF-A7) is being used for some 2023-2026 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. For CX-30, Mazda3, and CX-5, some 2.5L and all 2.5T engines still use…
• 11022742Aug 22, 2025Other or unknown, Body 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. If a structure's windows create enough of a curve, the concave glass can focus the sun's rays onto a small area and acting like magnifiying glass direct the sunbeams into a hot pinpoint of light. This magnifcation of the sun's rays can…
• 11022725Aug 22, 2025Engine, Electrical system, Exterior lighting, Other or unknown. Some customers may complain about any of the following: 1. Infotainment Center Display does not provide the Authorization Code (OTP) during the MyMazda App Connected Vehicle enrollment. 2. Remote function(s) inoperative. Engine Start / Stop Door Lock / Unlock Lights ON / OFF Climate Control 3. MAZDA CONNECT connected vehicle reception strength icon shows "X" or " ".
• 11022717Aug 22, 2025Other or unknown, Electrical system. Some customers may experience a Connected Vehicle failure. The MyMazda App may display an Error Code. This document provides Error Code description and recovery information to assist with repairs.
• 11022718Aug 21, 2025Other or unknown, Electrical system. Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
• 11022738Aug 15, 2025Other or unknown. When replacing the MAZDA CONNECT remote tuner (RT) with a replacement tuner for any reason, a call must be made to inform SiriusXM of the existing Radio ID and the new/replacement SAT Radio ID as soon as possible to ensure the customer leaves the dealership with an active SAT radio.

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