2025 Mazda CX-50 Hybrid Technical Service Bulletins

144 technical service bulletins (TSBs) are on record for the 2025 Mazda CX-50 Hybrid. 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.

• 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
• 11026909Dec 4, 2025Other or unknown, Electrical system. If all keys are lost and the technician is attempting to scan a vechile without ignition on, two options can be used to scan the vehicle: a PCM software number is requested in MDARS and must be inputted or ID another CX-50 and check the PCM in the network screen.
• 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…
• 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.
• 11026350Nov 8, 2025Transmission and drivetrain, Wheels, Suspension, Steering. 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…
• 11026097Nov 8, 2025Body and structure. Some customers may complain about a rattle from the sunroof (panorama roof) area. Make sure to read the complete repair procedure before attempting any repairs as the sunroof may have rattles from more than one location. The rattle noise may be caused by: Looseness in the side cover fitting part 1. Looseness in the cross brace cover clip 2. Looseness in the movable part inside the sunroof unit 3. To eliminate this…
• 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…
• 11024988Nov 1, 2025Engine. On some vehicles, the engine oil appears to be milky white during engine oil inspection or replacement. This is caused by moisture in the blow-by gas mixing with the engine oil when driving repeatedly for short distances in extremely low temperatures. NOTE: Inform the customer that the vehicle engine needs to to warm up to normal operating temperature in extremely cold temperatures to remove the moisture in the…
• 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…
• 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.
• 11024836Oct 10, 2025Other or unknown, Electrical system. Some vehicles may experience the symptoms mentioned below, which can be fixed with the latest software update (Version 7230C1A-NA01_10014). NOTE: If current version is not 7230C1A-NA01_*****, this TSB is not applicable. (Ver. 7230C1A-NA01_10014) fixes these software errors (bugs): The banner display for battery level notifications of Bluetooth®-connected devices has been modified. Alexa may sign out when deleting a…
• 11024996Oct 7, 2025Other or unknown. Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
• 11025001Oct 2, 2025Engine. Some engine components like the timing chain cover and oil pan on the CX-50 Hybrid require the use of Threebond 1207B during installation. This sealant should be locally sourced when needed. NOTE: The following link is provided as a convenient sourcing option. https://www.amazon.com/Three-Bond-Performance-Adhesion-Gasket/dp/B008BYPRRI
• 11025000Oct 2, 2025Electrical system, Other or unknown. If all keys are lost and the technician is attempting to scan a vechile without ignition on, two options can be used to scan the vehicle: a PCM software number is requested in MDARS and must be inputted or ID another CX-50 and check the PCM in the network screen.
• 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.
• 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.
• 11023700Sep 9, 2025Electrical system, Other or unknown. Mazda Connected Services - Frequently Asked Questions
• 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, 2025Exterior lighting, Engine, Other or unknown, Electrical system. 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, 2025Electrical system, Other or unknown. 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, 2025Electrical system, Other or unknown. Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
• 11021385Jul 4, 2025Brakes. Some vehicles may exhibit a clunk noise from the rear brakes when starting to drive. This may be caused by the brake pads and the rear disc plates sticking together when the Electric Parking Brake (EPB) is engaged for an extended period while parked. Even after releasing the EPB, the adhesion remains.
• 11019993Jun 30, 2025Engine, Other or unknown. Some customers may experience a hybrid system failure message appearing on the meter and the engine does not start, along with other numerous DTCs.
• 11020039Jun 19, 2025Other or unknown. Some customers may complain about a noisy HVAC blower motor or odor after a cabin air filter replacement. Foreign debris on the blower motor after servicing the cabin air filter may be the cause. During the removal of the cabin air filter, foreign debris (leaves, dust, dirt....ect.) may fall on the blower motor causing a fluttering type noise or odor.
• 11020038Jun 18, 2025Other 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.
• 11020036Jun 3, 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.
• 11020035Jun 3, 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…
• 11019164May 29, 2025Other or unknown. Some vehicles may have recall notifications remain on the center display even after a recall is performed. NOTE: When the warranty claim for the recall campaign is accepted at Mazda Japan, the recall notification will be automatically deleted via the Connected Service on the next day or later. This situation occurs if the Connected Service subscription has been cancelled while the recall notifications remain.
• 11019094May 29, 2025Body and structure. Some customers may complain about a rattle from the sunroof (panorama roof) area. Make sure to read the complete repair procedure before attempting any repairs as the sunroof may have rattles from more than one location. The rattle noise may be caused by: Looseness in the side cover fitting part 1. Looseness in the cross brace cover clip 2. Looseness in the movable part inside the sunroof unit 3. To eliminate this…
• 11019180May 16, 2025Other or unknown. Mazda Navigation Live Traffic information is available on the following 2 systems. SiriusXM® 3 Yr Traffic and Travel Link* Mazda Online Navigation* The table below provides Setting information for both systems. See APPLICABLE MODEL(S)/VINS above to determine how vehicles are equipped. NOTE: When selecting Navigation, data upload may take a few seconds. This is a normal function.
• 11019179May 16, 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 " ".
• 11019178May 16, 2025Other or unknown. Frequently Asked Questions (FAQ) for Mazda Connected Services.
• 11019177May 16, 2025Other or unknown. Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
• 11019160May 16, 2025Visibility (wipers, defrost, mirrors). Some vehicles may exhibit wiper blade contact with the A-pillar trim, with or without a chattering noise. This condition may be caused by worn or contaminated wiper blades. It can also be caused by bent wiper arms, or loose wiper arm retaining nuts due to improper handling. Improper handling occurs when pulling on or forcing the wiper arms.
• 11019098May 15, 2025Transmission and drivetrain, Engine. Some customers may experience a hybrid system failure message appearing on the meter and the engine does not start. This is caused by improper logic of the Powertrain Gateway Unit. To eliminate this concern, the control software of Powertrain Gateway Unit has been modified. Customers having this concern should have their vehicle repaired using the following repair procedure.
• 11017695Apr 22, 2025Electrical system, Transmission and drivetrain, Other or unknown, Engine, Fuel…. CX-50 Hybrid Service Cautions: The CX-50 Hybrid 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.
• 11017697Apr 16, 2025Other or unknown. 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.
• 11016237Mar 21, 2025Other or unknown, Engine. Frequently Asked Questions (FAQ)
• 11016235Mar 20, 2025Other or unknown. 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…
• 11014991Feb 28, 2025Other or unknown, Electrical system. Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
• 11014983Feb 28, 2025Body and structure, Other or unknown. 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 09-007/25 - FUEL-FILLER LID PANEL IS DEFORMED for 2019-2025 Mazda3 and 2020-2025 CX-30 are present.
• 11014804Feb 20, 2025Body and structure. Some customers may complain about a rattle from the sunroof (panorama roof) area. Make sure to read the complete repair procedure before attempting any repairs as the sunroof may have rattles from more than one location. The rattle noise may be caused by: Looseness in the side cover fitting part 1. Looseness in the cross brace cover clip 2. Looseness in the movable part inside the sunroof unit 3.Looseness in the…
• 11015005Feb 19, 2025Other or unknown. 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.
• 11014980Feb 19, 2025Other or unknown, Engine, Electrical system. The CX-50 Hybrid 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.
• 11015003Feb 8, 2025Electrical system. 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 and the following will occur: 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…
• 11014796Feb 7, 2025Brakes. Some vehicles may experience the front inner brake pads wear out faster than the outside. For example, the brake pads need to be replaced at less than 12,500 miles (20,000km). This accelerated pad wear may be caused by dirt and sand easily adhering to the inner friction surface of the disc while driving. To eliminate this concern, the shape of the dust cover has been changed and modification of the front brake pads…
• 11015004Feb 4, 2025Other or unknown, 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.
• 11013792Jan 27, 2025Steering. 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.

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