Safety Recall 5923F – 2024 Mazda CX-90 Suspension & Steering Insufficient Bolt Torque

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➀ ② ➂ ➀ ② ➂ PARTS AND WARRANTY INFORMATION Safety Recall 5923F SUBJECT VEHICLES Model Subject VIN range Subject production date range 2024 CX-90 JM3 KK**** R1 103564- 104820 From March 4, 2023 through March 11, 2023 The asterisk symbol”*” can be any letter or number. OWNER NOTIFICATION: Mazda will notify the owners by first class mail no later than July 14, 2023. PARTS INFORMATION Description Part Number Quantity Note Bolt (for intermediate shaft, lower side) B45532099B 1 Bolt (for ABS wheel sensor) Bolt (for upper arm) 994500612 9YA02A039 1 or 2 1 or 2 Necessary only when the bolt/nut is mIssIng. Nut (for upper arm) Campaign Label 9YB041036 9999-95-065A-06 1 or 2 1=50 labels Obtain in Mazda e-Store WARRANTY CLAIM PROCESSING INFORMATION Inspection & Inspection & Retightening of Bolts Retightening of Bolts (lncudes bolt/nut replacement) Process Number AP032A AP032A Symptom Code 99 99 Damage Code 99 99 Causal Part Number & Quantity Related Part Number & Quantity Labor Operation Code Labor Hours 7777-SP-X41 & 0 pcs — XXWDXATX 0.3 hrs. 7777-SP-X41 & 0 pcs If any bolts/nuts are missing and install new parts, please claim applicable part numbers and quantities. XXWDXBTX 0.3 hrs. Page 2 of 3 RENTAL CAR INFORMATION PARTS AND WARRANTY INFORMATION Safety Recall 5923F Rental expenses exceeding the two-day limit or over the per day limit set by Mazda Warranty policy will require prior Warranty Department Authorization prior to giving the rental to the customer regardless of the reason. Please refer to the Mazda Rental Car Reimbursement Program policy in the Mazda Warranty Policies and Procedures Manual. Mazda recommends the usage of the MCVP loaner vehicle when available. If all MCVP loaner vehicles are in use and unavailable, and the customer needs a rental car, then use your local rental facility and offer a rental car. Be sure that every effort is made to repair the car within one business day or less, so the next customer can receive the same experience. Rental Car Warranty Claim Information Warranty TYoe Code SYmotom Code Damage Code Part Number Main Cause Part Quantity Labor Operation Code Labor Hours Sublet – Rental Car Sublet Invoice Number Sublet Type Code Sublet Amount Sublet Text MCVP Vehicle Preferred N/A MCVP does not require claim submission Rental Agency Vehicle A 99 99 5555-59-23FR 0 MM024XRX 0 Number from Rental Invoice or Dealer Purchase Order Enter “Z9” (other) Up to $30.00 per day for the number of days customer had rental car Number of days rental car was supplied to customer Page 3 of 3

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REPAIR PROCEDURE Safety Recall 5923F Safety Recall 5923F – 2024 CX-90 Suspension and Steering Insufficient Bolt Torque A. VEHICLE INSPECTION PROCEDURE-AND PREPERATION FOR REPAIR 1. Verify that the vehicle is within the following ranges and there is a Not Launched or OPEN 5923F recall in eMDCS: SUBIECT VEHICLES Model Subject VIN range Subject production date range 2024 CX-90 JM3 KK**** R1 103564 – 104820 From March 4, 2023 through March 11, 2023 The asterisk symbol”*” can be any letter or number. ONLY 18 vehicles are affected by this campaign. – If the vehicle is one of the above listed ranges and 5923F is OPEN or Not Launched in eMDCS, proceed to Step 2. If the vehicle does not have an OPEN or Not Launched 5923F campaign, return vehicle to the customer or inventory. 2. Perform an eMDCS Warranty Vehicle Inquiry and inspect the vehicle for a Campaign Label with 5923F attached to the vehicle’s hood, driver door or firewall. NOTE: Be sure to verify the campaign number as the vehicle may have multiple campaign labels. CAMPAIGN LABEL CAMPAIGNt-Kl: – DEALERCCIJE.· _ DATE / / eMDCS – Warranty Vehicle Inquiry Results: If eMDCS displays: Campaign Label is: If no repair date is displayed on the line with CAMPAIGN 5923F, it has not been completed on this vehicle If repair date IS displayed for CAMPAIGN 5923F is “CLOSED” Present Not present Present Not present Action to perform: Fill out Dealer Recall Help on OneMazda contact or the Mazda Warranty Department at warrantyde12t@mazdausa.com to review vehicle history. Proceed to “REPAIR PROCEDURE”. Return vehicle to inventory or customer. Complete a label and apply to vehicle’s hood with repair date and dealer code from eMDCS Warranty Inquiry. CAMPAIGN 5923F is not displayed See Action The vehicle is not affected by Recall 5923F ➀ ➂ ② ➀ ➀ Bolt and nut, connecting the upper arm ball joint and steering knuckle (left & right sides) ② ② Bolt, connecting the bracket which fixes the front ABS wheel speed sensor harness in the steering knuckle (left & right sides) ➂ ➂ Bolt, connecting the intermediate shaft and steering gear REPAIR PROCEDURE Safety Recall 5923F B. REPAIR PROCEDURE A) Inspect and Tighten the LH and RH Front Upper Control Arm Ball Joint Bolt to Steering Knuckle and ensure the ball joint is fully inserted into the Steering Knuckle a. Torque the Bolt to 42.5 N·m {4.3 kgf·m, 31.15 ft-lbf} The figure shows the driver’s side (same as passenger’s side) NOTE: If the ball joint was not fully inserted or the bolt is loose, place a jack under the lower control arm to load the suspension and ensure that the upper control arm ball joint is fully inserted before tightening. Procedure Part name 1 Nut 2 Bolt 3 Front upper arm ball joint Applicable condition Torque Specification Continuous 42.5 N-m {4.3 kgf-m, 31.15 ft-lbf} Continuous Continuous REPAIR PROCEDURE Safety Recall 5923F Replace any missing bolts or nuts B) Inspect and Tighten the LH and RH Front ABS Wheel Sensor Bracket to the Steering Knuckle to 9.5 N·m {95 kgf-cm, 82 in-lbf}. Inspect Bolt 5 and Bolt 6. 5 Bolt Continuous 9.5 N-m {95 kgf-cm, 82 in-lbf} 6 Bolt Continuous 9.5 N·m {95 kgf-cm, 82 in-lbf} Note: If either bolt is missing, replace the ABS Wheel Sensor and the missing bolt. Follow the WSM procedure on MGSS if the bolt is missing. C) Inspect and Tighten the Intermediate Steering Shaft Bolt to Steering Gear to 29 N·m {2.95 kgf·m, 21.4 ft-lbf}. Note this bolt is a “R” part but can be tightened if not torqued to spec. Access to this bolt is located in the engine bay. NOTE: Rotate the steering wheel until the joint bolt on the steering column side and steering gear side reaches the removal position. REPAIR PROCEDURE Safety Recall 5923F ……. t”” _….. ——–<(1i Iii ‘-. ” .: ” ‘:3 ” ‘ G–1iJ.]IIII Procedure Part name Applicable condition Joint bolt Continuous Torque Specification Replacement part 29 N-m {2.95 kgf-m, 21.4 ft-lbf} D) Reinstall both front wheels, clean off any fingerprints and test drive for proper operation. E) Proceed to campaign label in section C C. CAMPAIGN LABEL INSTALLATION REPAIR PROCEDURE Safety Recall 5923F a. Fill out a Black “Campaign Label” (9999-95-0SSA-06) with Campaign No: “5923F”, your dealer code, today’s date. CAMPAIGNLABEL CAMP GN NO:. _ DEALERCOOE: _ OA1E / / ‘”” b. Affix it to the hood as shown: END OF REPAIR PROCEDURE

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MAZDA D • ALER • MAIL June 16, 2023 Attention: Mazda General, Parts and Service Managers Subject: Announcement of Safety Recall 5923F – 2024MY CX-90 Suspension and Steering Insufficient Bolt Torque Dear Mazda Dealer Partners, Mazda Motor Corporation has decided to conduct a Safety Recall on eighteen (18) CX-90 (2024MY) vehicles. Please see the description, model, year, and VIN ranges below. Subject Vehicles: Model Subject VIN range Subject production date range From March 3, 2023 through 2024CX-90 JM3 KK******103564- 104820 March 11, 2023 *Only the 18 vehicles listed in MGSS under the campaign are affected. Concern Outline: Following normal quality activities at the assembly plant, the affected vehicles had components replaced. The steering intermediate shaft, front ABS wheel speed sensor harnesses, and front upper control arm ball joints were disconnected during the inspection. Due to an improper torque verification process, these bolts may not have been tightened to the to the proper specification. As a result, one or more of these components may loosen or separate while driving. Repair Outline: Dealers will check the bolts of each affected component and ensure all bolts are torqued to proper specification. If any bolts or nuts are missing at time of inspection, they will be replaced with new parts and torqued to proper specification. NOTE: As a reminder, 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 NHTSA, increased liability risk for the dealership, Missed Recall penalties, loss of customer trust and a poor Customer Experience. Also, vehicles sold by Mazda Canada, Inc. are also affected by this recall and should be repaired if presented to your dealership. Owner Notification: Mazda will directly contact affected owners and instruct them to take their vehicle to an authorized Mazda dealer. Otherwise, Mazda will send written notifications to owners by U.S. Mail no later than July 15, 2023. To help you effectively perform this recall, Mazda has developed the following resources: 1. Parts and Warranty Information, Repair Procedure, and the affected VIN list will be posted to MGSS by the end of the day June 16, 2023. Searching by VIN is available immediately but Keyword Searching may not be available until the next business day. 2. For Warranty questions, please contact the Warranty Hotline at warrantydept@mazdausa.com 3. For parts questions, contact the Corporate Dealer Assistance Group at (877) 727-6626 Option 2. 4. For recall related questions, please fill out the Dealer Recall Help Form located on OneMazda. Please make certain the appropriate personnel in your dealership are aware of these resources and are familiar with the details of this recall before responding to customer inquiries. We apologize for any inconvenience this recall may cause you and your customers. Your understanding and support in carrying out this campaign are greatly appreciated. Sincerely, Mazda North American Operations M;\Z DA NORTH i\l,..iElllCAN OPE RAT 10, �

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 23V-429 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Mazda North American Operations Submission Date : JUN 15, 2023 NHTSA Recall No. : 23V-429 Manufacturer Recall No. : 5923F Manufacturer Information : Manufacturer Name : Mazda North American Operations Address : 1025 Connecticut Avenue, NW Suite 910 Washington DC 20036 Company phone : 800-222-5500 Population : Number of potentially involved : 18 Estimated percentage with defect : 1 % Vehicle Information : Vehicle 1 : 2024-2024 MAZDA CX-90 Vehicle Type : LIGHT VEHICLES Body Style : ALL Power Train : GAS Descriptive Information : – Recall population determined by the production record of vehicles which received quality-related component replacements at Mazda Motor Corporation. – Vehicles not included in the recall did not receive replacement components during the affected production period. The following is the affected number of vehicles by MY/Make/Model: MY 2024 Mazda CX-90 built at Mazda Motor Corporation; 18 units. Production Dates : MAR 04, 2023 – MAR 11, 2023 VIN Range 1 : Begin : JM3KKCHD8R1103564 End : JM3KKCHD5R1104820 ✔ Not sequential Description of Defect : Description of the Defect : Certain steering and suspension bolts may have been insufficiently torqued. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : A separation of the steering intermediate shaft, front ABS wheel speed sensor harnesses, or front upper control arms may cause a loss of ability to control the vehicle, increasing the risk of a crash. No accidents, injuries, or deaths have been reported as a result of this defect. Description of the Cause : Following normal quality checking activity of assembled vehicles at the assembly plant, the affected vehicles had several components replaced. Subsequently, the steering intermediate shaft, front ABS wheel speed sensor harnesses, and front upper control arm ball joints were disconnected. During reconnection, due to an improper torque verification process, these bolts may Part 573 Safety Recall Report 23V-429 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 not have been torqued to proper specification. As a result, one or more of these components may loosen or separate while driving. Identification of Any Warning that can Occur : There is no warning preceding the occurrence of this defect. Involved Components : Component Name 1 : Nut Component Description : Nut – upper arm and steering knuckle Component Part Number : 9YB04-1036 Component Name 2 : Bolt Component Description : Bolt – upper arm and steering knuckle Component Part Number : 9YA02-A039 Component Name 3 : Bolt Component Description : Bolt – intermediate shaft and steering gear Component Part Number : B455-32099B Component Name 4 : Bolt Component Description : Bolt – ABS wheel-speed sensor to steering knuckle Component Part Number : 99450-0612 Supplier Identification : Component Manufacturer Name : NR Address : NR NR Country : NR Part 573 Safety Recall Report 23V-429 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Chronology : May 28, 2023: On this date, Mazda Motor Corporation received two similar field reports from the Japan market about vehicles which experienced a separation of the front upper control arm and steering knuckle. Mazda examined manufacturing records at the vehicle assembly plant and found that both vehicles had several components replaced during quality check activities after initial assembly. May 29, 2023: Mazda began verifying the fastening torque record for other components which were replaced during quality check activities at the assembly plant, to determine if any other components may not have been torqued to proper specification. June 2, 2023: Mazda began identifying all potentially affected vehicles. June 13, 2023: Mazda held a Quality Audit Committee meeting to review all available information to date and decided to conduct a proactive field action on certain MY 2024 CX-90 vehicles. Description of Remedy : Description of Remedy Program : Mazda will directly contact owners and instruct them to take their vehicle to an authorized Mazda dealer. Otherwise, Mazda will send written notifications to owners by U.S. mail. Dealers will check the bolt fastening torques of each affected component and ensure all bolts are torqued to proper specification. If any bolts or nuts are missing at time of inspection, they will be replaced with new parts and torqued to proper specification. There will be no charge for this service to vehicle owners. A reimbursement program will not be offered as subject vehicles are under new vehicle warranty coverage. How Remedy Component Differs from Recalled Component : The original parts will be tightened to proper specification. Therefore, remedy components are not used. Recalled part names: Bolt and nut. Part number: 9YB04-1036 (nut for connecting upper arm and steering knuckle), 9YA02-A039 (bolt for connecting upper arm and steering knuckle) B455-32099B (bolt for connecting Intermediate shaft and steering gear) 99450-0612 (bolt for attaching ABS wheel-speed sensor to steering Knuckle) Identify How/When Recall Condition was Corrected in Production : The affected components are tightened to the correct specification in the vehicle assembly process. This defect was caused by inadequate tightening during post-assembly quality check activities. Recall Schedule : Description of Recall Schedule : Notification to dealers is expected to occur on or before June 21, 2023. Mailing of owner notification letters is expected to be completed on or before July 14, 2023. Planned Dealer Notification Date : JUN 21, 2023 – JUN 21, 2023 Part 573 Safety Recall Report 23V-429 Page 4 The information contained in this report was submitted pursuant to 49 CFR §573 Planned Owner Notification Date : JUL 14, 2023 – JUL 14, 2023 * NR – Not Reported

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