WenmarOpen by Wenmar Pro

Service bulletins for the 2025 Mazda CX-70

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

297 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
SA-052-252025-12-05. Service bulletin. ENGINE; POWER TRAIN. 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 and that may not require repair based on splash shield inspection.
01-007-252025-12-04. Service bulletin. ENGINE. 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 entering a driveway. - They feel a pop or grind in the accelerator pedal when the vibration occurs. - They hear a rumbling or grinding noise, mainly from the right side, during the left-turn shudder. NOTE: The condition does not occur at shallow steering angles or when the vehicle is stationary and the steering effort remains unchanged when the vibration and noise are present.
SSPD9 Owner Ltr2025-10-03. Warranty extension. ENGINE. SSPD9 – Adding coverage for Towing Subject: Notification of Warranty Extension Program - Special Service Program (SSP) D9 2024 CX-90 and 2025 CX-70, SKYACTIV-G 2.5 PHEV – Water Heater Malfunction Mazda Motor Corporation has decided to conduct a Special Service Program (SSP) to extend the warranty coverage for a specific repair of the water heater concern on certain MY2024 CX-90 PHEV and MY2025 CX-70 PHEV vehicles that are equipped with the suspected water heater. The warranty coverage for an applicable repair has been extended to 8 years (96 months) from the original warranty start date, with no mileage limitation. Concern Outline: On certain subject vehicles, while warming up the cabin after starting the vehicle in EV mode, the nichrome wire in the water heater may break or a decrease in insulation resistance may be detected, causing the concerns described below: 1) The heater does not work properly. 2) The hybrid system warning light may turn on and the DTC P0AA6:00 may be stored in memory. - P0AA6:00 – High voltage insulation malfunction: Decrease in vehicle insulation resistance. This is a warranty extension for the specified repair only. Inspection and replacement of non-failed parts will not be eligible for reimbursement under this SSP to the dealer or customer. This program extends the warranty period for actual failures due to defects in workmanship or materials in accordance with the Mazda Warranty Policy and Procedures. If a customer arrives at your dealership with the concern described, please repair the vehicle under this Special Service Program. SSPD9 – Water Heater Malfunction WARRANTY EXTENSION For certain 2024 CX-90 PHEV and 2025 CX-70 PHEV vehicles that are equipped with the suspected water heater, the warranty coverage for an applicable repair of the water heater has been extended to 8 years (96 months) from the original warranty start date, with no mileage limitation. CONDITION OF CONCERN While warning up the cabin using the water heater after starting the vehicle in EV mode, the nichrome wire in the water heater may break or a decrease in insulation resistance may be detected, causing the concerns described below: Heater performance may become poor: 1. The hybrid system warning light may turn on and the DTC P0AA6:00 may be stored. 2. P0AA6:00 – High voltage insulation malfunction: Decrease in vehicle insulation resistance OWNER NOTIFICATION Mazda will notify all U.S. owners of the subject vehicles by first class mail no later than September 1, 2025. • Owners will be advised that they do not need to bring their vehicle to a dealer if it does not exhibit the affected conditions. • Owners will also be advised that any previous repair on the water heater due to concerns related to this SSP will be eligible for reimbursement if the repair was performed at the owner’s expense. Please refer the customer to the Owner Letter for reimbursement instructions. NO COVERAGE FOR BRANDED AND OTHER LIMITATIONS - EXCLUDED COVERAGE • Per Warranty policy 3.26 all limitations apply to this Warranty Extension. There is no coverage for total loss/insurance/salvage or rebuilt titles (W1). If you are unsure about the policy please contact the Warranty Department. REPAIR PROCEDURE If you receive customer complaints about the check engine light ON with P0AA6:00 with any of the symptoms mentioned above, verify the concerns and perform appropriate repair according to the Service Information Technical Service Bulletin (TSB) No. 07-006/24. Note: Please always refer to the latest version of TSB.
SA-013-25a2025-10-03. Service bulletin. ENGINE; FUEL/PROPULSION 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.
SSPD9 Repair b2025-09-05. Warranty extension. ENGINE. SSPD9 August 25, 2025 – Adding coverage for Towing Subject: Notification of Warranty Extension Program - Special Service Program (SSP) D9 2024 CX-90 and 2025 CX-70, SKYACTIV-G 2.5 PHEV – Water Heater Malfunction Mazda Motor Corporation has decided to conduct a Special Service Program (SSP) to extend the warranty coverage for a specific repair of the water heater concern on certain MY2024 CX-90 PHEV and MY2025 CX-70 PHEV vehicles that are equipped with the suspected water heater. The warranty coverage for an applicable repair has been extended to 8 years (96 months) from the original warranty start date, with no mileage limitation. Concern Outline: On certain subject vehicles, while warming up the cabin after starting the vehicle in EV mode, the nichrome wire in the water heater may break or a decrease in insulation resistance may be detected, causing the concerns described below: 1) The heater does not work properly. 2) The hybrid system warning light may turn on and the DTC P0AA6:00 may be stored in memory. - P0AA6:00 – High voltage insulation malfunction: Decrease in vehicle insulation resistance. This is a warranty extension for the specified repair only. Inspection and replacement of non-failed parts will not be eligible for reimbursement under this SSP to the dealer or customer. This program extends the warranty period for actual failures due to defects in workmanship or materials in accordance with the Mazda Warranty Policy and Procedures. If a customer arrives at your dealership with the concern described, please repair the vehicle under this Special Service Program. SSPD9 – Water Heater Malfunction WARRANTY EXTENSION For certain 2024 CX-90 PHEV and 2025 CX-70 PHEV vehicles that are equipped with the suspected water heater, the warranty coverage for an applicable repair of the water heater has been extended to 8 years (96 months) from the original warranty start date, with no mileage limitation. CONDITION OF CONCERN While warning up the cabin using the water heater after starting the vehicle in EV mode, the nichrome wire in the water heater may break or a decrease in insulation resistance may be detected, causing the concerns described below: Heater performance may become poor: 1. The hybrid system warning light may turn on and the DTC P0AA6:00 may be stored. 2. P0AA6:00 – High voltage insulation malfunction: Decrease in vehicle insulation resistance OWNER NOTIFICATION Mazda will notify all U.S. owners of the subject vehicles by first class mail no later than September 1, 2025. • Owners will be advised that they do not need to bring their vehicle to a dealer if it does not exhibit the affected conditions. • Owners will also be advised that any previous repair on the water heater due to concerns related to this SSP will be eligible for reimbursement if the repair was performed at the owner’s expense. Please refer the customer to the Owner Letter for reimbursement instructions. NO COVERAGE FOR BRANDED AND OTHER LIMITATIONS - EXCLUDED COVERAGE • Per Warranty policy 3.26 all limitations apply to this Warranty Extension. There is no coverage for total loss/insurance/salvage or rebuilt titles (W1). If you are unsure about the policy please contact the Warranty Department. REPAIR PROCEDURE If you receive customer complaints about the check engine light ON with P0AA6:00 with any of the symptoms mentioned above, verify the concerns and perform appropriate repair according to the Service Information Technical Service Bulletin (TSB) No. 07-006/24. Note: Please always refer to the latest version of TSB.
SA-023-25b2025-09-04. Service bulletin. UNKNOWN OR OTHER; ENGINE; ELECTRICAL SYSTEM; 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 " ".
SA-023-25a2025-08-05. Service bulletin. EXTERIOR LIGHTING; ENGINE; UNKNOWN OR OTHER. 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 " ".
SA-033-252025-07-01. Service bulletin. ENGINE. Some vehicles may experience a CHECK ENGINE light ON with DTC P0012, P0011, and possibly P0010. This may be caused by a malfunction in the intake EVVT motor that prevents it from accurately regulating the intake camshaft timing.
SA-023-252025-06-05. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL 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 " ".
7325C Repair2025-06-05. Service campaign. ENGINE; ELECTRICAL SYSTEM. 7325C - EMISSION RECALL - 2024-2025 CX-90 AND 2025 CX-70 PHEV ONLY - HYBRID SYSTEM WARNING LIGHT MAY TURN ON. Mazda Motor Corporation has decided to conduct an Emission Recall on certain 2024-2025 CX-90 and 2025 CX-70 PHEV vehicles. Please see the description, model, year, and VIN range below for all vehicles in this campaign. There are 38,812 vehicles affected by this concern in the U.S. and U.S. Territories. Vehicles produced and sold by Mazda Canada Inc. are also included in this campaign and should be repaired if presented to your dealership following Mazda Warranty policy 3.30.STOP DELIVERY OF AFFECTED VEHICLES: MAZDA SALES AND SERVICE TEAMS - ACTION ITEM: There are approximately 5,197 vehicles in stock at U.S. Mazda dealers which must be repaired prior to delivery. All Mazda dealers must quarantine any affected new, used or CPO in-stock vehicles until the repair is completed. The affected dealer inventory list was provided to each District Service Manager with the notification of this dealer email. Once completed, the car can be delivered, and the Warranty claim can be submitted later without penalty since the car has been repaired. To All Mazda Dealers: Failure to properly perform any recall repair is a direct violation of Paragraph 14(F) of the Dealer Agreement and can cause one or more of the following: Mechanical breakdown or failure, crash or injury, Dealership penalties/fines by Mazda and CARB/EPA, increased liability risk for the dealership, Missed Recall penalties, loss of customer trust and a poor Customer Experience. Concern Outline: All vehicles can be repaired immediately upon receipt of this Mazda Dealer announcement by following the repair and warranty claiming procedures housed in Mazda Global Service Support (MGSS). On certain subject vehicles, during normal driving, a temporary decrease in insulation resistance may be detected, which could be mistakenly judged as an electric leakage, causing the hybrid system warning light to turn on and the leakage detection message to be displayed. The DTC P0AA6:00 may be stored in memory. In such a condition, once the vehicle power is switched off, it may become impossible to restart the vehicle due to fail-safe mode activation. Repair Outline: Reprogram the PCM with the Mazda Modular Diagnostic System (M-MDS), using Mazda Diagnostic and Repair Software (MDARS). The DTC code that may appear is P0AA6:00 - High voltage insulation malfunction: Decrease in vehicle insulation resistance. The software update will re-calibrate electrical leakage detection criteria and allow vehicle re-start. Legitimate electrical leakage faults can still be detected and store DTC P0AA6:00. If DTC P0AA6:00 - High voltage insulation malfunction: Decrease in vehicle insulation resistance is still present after repair of the 7325C Recall, please diagnose the issue using the Workshop Manual or search for a current Technical Service Bulletin.
SA-027-252025-06-05. Service bulletin. EXTERIOR LIGHTING; LANE DEPARTURE: ASSIST; ELECTRICAL SYSTEM; ENGINE; LANE DEPARTURE: WARNING. 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.
SA-021-252025-05-03. Service bulletin. ENGINE; UNKNOWN OR OTHER. Some vehicles may exhibit a delayed engine start or experience poor acceleration while driving in EV mode when the battery is at a low state of charge (SOC). This is caused by improper control logic of the PCM. To eliminate this concern, the control software of the PCM has been modified.
SA-019-252025-05-03. Service bulletin. ENGINE. Some vehicles may exhibit the A/C compressor operating and making a buzzing noise after switching the ignition off. This may be caused by improper control logic of the PCM. To eliminate this for customer satisfaction, the control software of the PCM has been modified.
7325C Warranty2025-04-02. Emissions. ENGINE. 7325C - EMISSION RECALL - 2024-2025 CX-90 AND 2025 CX-70 PHEV ONLY - HYBRID SYSTEM WARNING LIGHT MAY TURN ON. Mazda Motor Corporation has decided to conduct an Emission Recall on certain 2024-2025 CX-90 and 2025 CX-70 PHEV vehicles. Please see the description, model, year, and VIN range below for all vehicles in this campaign. There are 38,812 vehicles affected by this concern in the U.S. and U.S. Territories. Vehicles produced and sold by Mazda Canada Inc. are also included in this campaign and should be repaired if presented to your dealership following Mazda Warranty policy 3.30. STOP DELIVERY OF AFFECTED VEHICLES: MAZDA SALES AND SERVICE TEAMS - ACTION ITEM: There are approximately 5,197 vehicles in stock at U.S. Mazda dealers which must be repaired prior to delivery. All Mazda dealers must quarantine any affected new, used or CPO in-stock vehicles until the repair is completed. The affected dealer inventory list was provided to each District Service Manager with the notification of this dealer email. Once completed, the car can be delivered, and the Warranty claim can be submitted later without penalty since the car has been repaired.To All Mazda Dealers: Failure to properly perform any recall repair is a direct violation of Paragraph 14(F) of the Dealer Agreement and can cause one or more of the following: Mechanical breakdown or failure, crash or injury, Dealership penalties/fines by Mazda and CARB/EPA, increased liability risk for the dealership, Missed Recall penalties, loss of customer trust and a poor Customer Experience. Concern Outline: All vehicles can be repaired immediately upon receipt of this Mazda Dealer announcement by following the repair and warranty claiming procedures housed in Mazda Global Service Support (MGSS). On certain subject vehicles, during normal driving, a temporary decrease in insulation resistance may be detected, which could be mistakenly judged as an electric leakage, causing the hybrid system warning light to turn on and the leakage detection message to be displayed. The DTC P0AA6:00 may be stored in memory. In such a condition, once the vehicle power is switched off, it may become impossible to restart the vehicle due to fail-safe mode activation. Repair Outline: Reprogram the PCM with the Mazda Modular Diagnostic System (M-MDS), using Mazda Diagnostic and Repair Software (MDARS). The DTC code that may appear is P0AA6:00 - High voltage insulation malfunction: Decrease in vehicle insulation resistance. The software update will re-calibrate electrical leakage detection criteria and allow vehicle re-start. Legitimate electrical leakage faults can still be detected and store DTC P0AA6:00. If DTC P0AA6:00 - High voltage insulation malfunction: Decrease in vehicle insulation resistance is still present after repair of the 7325C Recall, please diagnose the issue using the Workshop Manual or search for a current Technical Service Bulletin.
7325C Repair2025-04-02. Emissions. ENGINE. 7325C - EMISSION RECALL - 2024-2025 CX-90 AND 2025 CX-70 PHEV ONLY - HYBRID SYSTEM WARNING LIGHT MAY TURN ON. Mazda Motor Corporation has decided to conduct an Emission Recall on certain 2024-2025 CX-90 and 2025 CX-70 PHEV vehicles. Please see the description, model, year, and VIN range below for all vehicles in this campaign. There are 38,812 vehicles affected by this concern in the U.S. and U.S. Territories. Vehicles produced and sold by Mazda Canada Inc. are also included in this campaign and should be repaired if presented to your dealership following Mazda Warranty policy 3.30. STOP DELIVERY OF AFFECTED VEHICLES: MAZDA SALES AND SERVICE TEAMS - ACTION ITEM: There are approximately 5,197 vehicles in stock at U.S. Mazda dealers which must be repaired prior to delivery. All Mazda dealers must quarantine any affected new, used or CPO in-stock vehicles until the repair is completed. The affected dealer inventory list was provided to each District Service Manager with the notification of this dealer email. Once completed, the car can be delivered, and the Warranty claim can be submitted later without penalty since the car has been repaired.To All Mazda Dealers: Failure to properly perform any recall repair is a direct violation of Paragraph 14(F) of the Dealer Agreement and can cause one or more of the following: Mechanical breakdown or failure, crash or injury, Dealership penalties/fines by Mazda and CARB/EPA, increased liability risk for the dealership, Missed Recall penalties, loss of customer trust and a poor Customer Experience. Concern Outline: All vehicles can be repaired immediately upon receipt of this Mazda Dealer announcement by following the repair and warranty claiming procedures housed in Mazda Global Service Support (MGSS). On certain subject vehicles, during normal driving, a temporary decrease in insulation resistance may be detected, which could be mistakenly judged as an electric leakage, causing the hybrid system warning light to turn on and the leakage detection message to be displayed. The DTC P0AA6:00 may be stored in memory. In such a condition, once the vehicle power is switched off, it may become impossible to restart the vehicle due to fail-safe mode activation. Repair Outline: Reprogram the PCM with the Mazda Modular Diagnostic System (M-MDS), using Mazda Diagnostic and Repair Software (MDARS). The DTC code that may appear is P0AA6:00 - High voltage insulation malfunction: Decrease in vehicle insulation resistance. The software update will re-calibrate electrical leakage detection criteria and allow vehicle re-start. Legitimate electrical leakage faults can still be detected and store DTC P0AA6:00. If DTC P0AA6:00 - High voltage insulation malfunction: Decrease in vehicle insulation resistance is still present after repair of the 7325C Recall, please diagnose the issue using the Workshop Manual or search for a current Technical Service Bulletin.
7325C Dealer Letter2025-04-02. Emissions. ENGINE. 7325C - EMISSION RECALL - 2024-2025 CX-90 AND 2025 CX-70 PHEV ONLY - HYBRID SYSTEM WARNING LIGHT MAY TURN ON. Mazda Motor Corporation has decided to conduct an Emission Recall on certain 2024-2025 CX-90 and 2025 CX-70 PHEV vehicles. Please see the description, model, year, and VIN range below for all vehicles in this campaign. There are 38,812 vehicles affected by this concern in the U.S. and U.S. Territories. Vehicles produced and sold by Mazda Canada Inc. are also included in this campaign and should be repaired if presented to your dealership following Mazda Warranty policy 3.30. STOP DELIVERY OF AFFECTED VEHICLES: MAZDA SALES AND SERVICE TEAMS - ACTION ITEM: There are approximately 5,197 vehicles in stock at U.S. Mazda dealers which must be repaired prior to delivery. All Mazda dealers must quarantine any affected new, used or CPO in-stock vehicles until the repair is completed. The affected dealer inventory list was provided to each District Service Manager with the notification of this dealer email. Once completed, the car can be delivered, and the Warranty claim can be submitted later without penalty since the car has been repaired.To All Mazda Dealers: Failure to properly perform any recall repair is a direct violation of Paragraph 14(F) of the Dealer Agreement and can cause one or more of the following: Mechanical breakdown or failure, crash or injury, Dealership penalties/fines by Mazda and CARB/EPA, increased liability risk for the dealership, Missed Recall penalties, loss of customer trust and a poor Customer Experience. Concern Outline: All vehicles can be repaired immediately upon receipt of this Mazda Dealer announcement by following the repair and warranty claiming procedures housed in Mazda Global Service Support (MGSS). On certain subject vehicles, during normal driving, a temporary decrease in insulation resistance may be detected, which could be mistakenly judged as an electric leakage, causing the hybrid system warning light to turn on and the leakage detection message to be displayed. The DTC P0AA6:00 may be stored in memory. In such a condition, once the vehicle power is switched off, it may become impossible to restart the vehicle due to fail-safe mode activation. Repair Outline: Reprogram the PCM with the Mazda Modular Diagnostic System (M-MDS), using Mazda Diagnostic and Repair Software (MDARS). The DTC code that may appear is P0AA6:00 - High voltage insulation malfunction: Decrease in vehicle insulation resistance. The software update will re-calibrate electrical leakage detection criteria and allow vehicle re-start. Legitimate electrical leakage faults can still be detected and store DTC P0AA6:00. If DTC P0AA6:00 - High voltage insulation malfunction: Decrease in vehicle insulation resistance is still present after repair of the 7325C Recall, please diagnose the issue using the Workshop Manual or search for a current Technical Service Bulletin.
SA-017-252025-04-01. Service bulletin. ENGINE; UNKNOWN OR OTHER. Frequently Asked Questions (FAQ)
SA-004-252025-02-05. Service bulletin. ENGINE; ELECTRICAL SYSTEM; UNKNOWN OR OTHER. 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. NOTE: Some customers may complain about an engine no start. This may be caused by the customer inadvertently putting the key transmitter in Power Saving Function.
07-001-25a2025-02-04. Service bulletin. ELECTRICAL SYSTEM; ENGINE. [TEMPORARILY SUSPENDED] Some vehicles may exhibit check engine light turned on at engine startup, with DTC P0531:00 stored in memory. DTC P0531:00 [PCM] - Refrigerant pressure sensor No.1 system: Function malfunction This is caused by improper control logic of the PCM and the dash-electrical supply unit (Dash-ESU). To eliminate this concern, the control logic of the PCM and the Dash-ESU has been modified.
07-001-252025-02-04. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Some vehicles may exhibit check engine light turned on at engine startup, with DTC P0531:00 stored in memory. DTC P0531:00 [PCM] - Refrigerant pressure sensor No.1 system: Function malfunction This is caused by improper control logic of the PCM and the dash-electrical supply unit (Dash-ESU). To eliminate this concern, the control logic of the PCM and the Dash-ESU has been modified.
SA-009-24e2025-01-04. Service bulletin. UNKNOWN OR OTHER; ENGINE; ELECTRICAL SYSTEM. Frequently Asked Questions (FAQ)
07-004-24a2025-01-04. Service bulletin. UNKNOWN OR OTHER; ENGINE. Some vehicles may exhibit check engine light turned on at engine startup, with DTC P0531:00 stored in memory. DTC P0531:00 [PCM] - Refrigerant pressure sensor No.1 system: Function malfunction. This is caused by improper control logic of the PCM and the dash-electrical supply unit (Dash-ESU). To eliminate this concern, the control logic of the PCM and the Dash-ESU has been modified.
SA-020-24c2024-12-03. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM; ENGINE. 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.
SA-040-24a2024-11-04. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Some customer may experience any of the following: Multiple Warning Lights On • Infotainment center display blank • Engine no start unless the key transmitter is placed near the start button • Interior lights do not illuminate • DTC P2507:00 - PCM, PCM POWER SYSTEM: (LOW INPUT) stored. • DTC U0156:00 - PCM, CAN communication system, Communication error with CMU (Connectivity Master Unit). • This may be caused by Fuse F1 not fully seated (poor terminal tension) or a poor ground connection at the front harness connector G03.
SA-017-24b2024-10-05. Service bulletin. ELECTRICAL 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

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.