February 1, 2019 NHTSA CAMPAIGN NUMBER: 19V072000
Transmission Software May Cause Abrupt Downshift
If the vehicle abruptly downshifts, the driver may lose control of the vehicle, increasing the risk of a crash.
NHTSA Campaign Number: 19V072
Manufacturer Mazda
North American Operations
Components POWER TRAIN
Potential Number of Units Affected 14,370
Summary
Mazda North American Operations (Mazda) is recalling certain 2016-2019 MX-5 (Miata) vehicles with automatic transmissions. Due to incorrect programming of the Transmission Control Module (TCM), certain conditions may cause the vehicle to unexpectedly downshift and abruptly decelerate.
Remedy
Mazda will notify owners, and dealers will reprogram the TCM with corrected software, free of charge. The recall began March 14, 2019. Owners may contact Mazda customer service at 1-800-222-5500, option 4. Mazda’s number for this recall is 3019A.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Check if your Mazda has a Recall
February 1, 2019
Attention: Mazda General, Service and Parts Managers
Subject: STOP SALE – Announcement of Safety Recall 3019A – 2016-2019 MX-5 – Transmission Control Module Software Concern
Mazda Motor Corporation has decided to conduct a Recall Campaign on certain MX-5 vehicles produced from April 20, 2015 through December 11, 2018.
Subject Vehicles:
| Model | Subject VIN range | Subject build date range |
| 2016-2019 MY MX-5 Only equipped with Automatic Transmission | JM1 ND A*7* G0 100033 – 119894
H0 100017 – 125192 J0 200004 – 206212 K0 300011 – 304295 | From April 20, 2015 through December 11, 2018 |
– Number of subject vehicles:
| Country | Subject vehicles |
| USA | 14,316 |
Action Required:
Beginning today, all unsold MX-5 (ND) vehicles equipped with an automatic transmission must not be delivered to customers until the recall repair is completed. There are approximately 760 unsold affected vehicles.
The repair procedure will be posted in MGSS under 3019A on February 1, 2019. Please use MGSS to pull your affected vehicle list. eMDCS should display this recall on February 1, 2019. Any affected vehicle will display 3019A in “Not Launched” status. “Not Launched” means that customer notification has not gone out, but the repair can still be performed and the recall closed. Once the repair is completed, the vehicle can be delivered.
Concern Outline:
In affected vehicles equipped with automatic transmissions, electrical noise in the range signal may be detected while driving in “D” range (including “Manual” mode). Due to inappropriate control logic of the clutch control software in the Transmission Control Module (TCM), this signal noise may cause the vehicle to unexpectedly downshift, causing an abrupt deceleration of the drive wheels.
A sudden decrease in the speed of the drive wheels while driving may negatively affect the directional stability of the vehicle, increasing the risk of losing vehicle control and potentially resulting in a crash. No crashes or injuries related to the subject condition have been reported to date.
Owner Notification:
Mazda will notify owners of affected vehicles by first class mail beginning in February 2019. Owners will be asked to bring their vehicle to the nearest Mazda dealership to reprogram the TCM with modified software with MMDS.
Important Safety Notice: The National Traffic and Motor Vehicle Safety Act prohibits the delivery of any subject vehicle without performing the necessary repair for defects or failures. Failure to perform applicable recalls before delivery can result in extensive dealer fines and penalties from the Federal Government. Therefore, you must complete this recall for all affected vehicles in your inventory prior to delivery.
To help you effectively perform this recall, Mazda has developed the following resources:
- Warranty information, Repair procedures and Owner Letter will post on MGSS (Mazda Global Service Support) websites via MXConnect by February 1, 2019.
- Warranty information is also available on eMDCS.
- For technical assistance, contact the Technical Assistance Hotline at (888) 8328477, Option 3.
- For warranty questions, contact the Warranty Hotline at (877) 727-6626, Option 3.
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 is greatly appreciated.
Protect What is Important to You
Mazda North American Operations
Sincerely,
Akira Ikemoto
Director, Technical Services Division
Mazda North American Operations
WARRANTY INFORMATION
Recall Campaign 3019A
CONDITION OF CONCERN
In affected vehicles equipped with automatic transmissions, electrical noise in the range signal may be detected while driving in “D” range (including “Manual” mode). Due to inappropriate control logic of the clutch control software in the Transmission Control Module (TCM), this signal noise may cause the vehicle to unexpectedly downshift, causing an abrupt deceleration of the drive wheels.
A sudden decrease in the speed of the drive wheels while driving may negatively affect the directional stability of the vehicle, increasing the risk of losing vehicle control and potentially resulting in a crash. No crashes or injuries related to the subject condition have been reported to date.
OUTLINE OF REPAIR
Reprogram the TCM with modified software with M-MDS.
Please refer to the Repair Procedure document on MGSS for the details.
SUBJECT VEHICLES
| Model | Subject VIN range | Subject build date range |
| 2016-2019 MY MX-5 (ND) Only equipped with A/T | JM1 ND A*7* G0 100033 – 119894 H0 100017 – 125192 J0 200004 – 206212 K0 300011 – 304295 | From April 20, 2015 through December 11, 2018 |
The asterisk symbol “*” can be any letter or number.
OWNER NOTIFICATION
Mazda will notify U.S. owners by first class mail beginning from February, 2019.
CAMPAIGN LABEL INFORMATION
| Description | Part Number | Quantity | Remarks |
| Campaign Label | 9999-95-065A-06 | 1=50 labels | Obtain in Mazda e-Store (no charge) |
WARRANTY CLAIM PROCESSING INFORMATION
| TCM reprogramming by M-MDS | |
| Process Number | AK006A |
| Symptom Code | 99 |
| Damage Code | 99 |
| Causal Part No. | 7777-SP-R05 |
| Quantity | 0 |
| Labor Operation | XXR1WXFX |
| Labor Hours | 0.3 hrs. |
2016-2019 MX-5 (ND) Transmission Control Module Software Concern Safety Recall 3019A
A. VEHICLE INSPECTION PROCEDURE
Verify that the vehicle is within the following ranges:
| Model | Subject VIN range | Subject build date range |
| 2016-2019 MY MX-5 (ND) Only equipped with A/T | JM1 ND A*7* G0 100033 – 119894
H0 100017 – 125192 J0 200004 – 206212 K0 300011 – 304295 | From April 20, 2015 through December 11, 2018 |
The asterisk symbol “*” can be any letter or number.
- If the vehicle is within the above ranges, proceed to Step 2.
- If the vehicle is not within the above ranges, return vehicle to the customer or inventory.
Perform a Warranty Vehicle Inquiry using your eMDCS System and inspect vehicle for Campaign
Labels Recalls 3019A attached to the vehicle’s hood or bulkhead. Refer to eMDCS System – Warranty Vehicle Inquiry Results table below.
NOTE: Be sure to verify Recall number as the vehicle may have multiple Recall labels.
 |  |
eMDCS System – Warranty Vehicle Inquiry Results:
| If eMDCS displays: | Campaign Label is: | Action to perform: |
| RECALL 3019A OPEN | Present | Contact the Warranty Hotline at (877) 727-6626 option 3 to update vehicle history. |
| Not present | Proceed to “B. REPAIR PROCEDURE”. | |
| RECALL 3019A CLOSED | Present | Return vehicle to inventory or customer. |
| Not present | Proceed to “C. CAMPAIGN LABEL INSTALLATION”. | |
| RECALL 3019A IS NOT PRESENT | Does not apply | Recall does not apply to this vehicle. Return vehicle to inventory or customer. |
B.REPAIR PROCEDURE: TCM REPROGRAM
ACTION TO BE TAKEN
NOTE: The parameter “Battery State of Charge (SOC)” is reset during TCM reprogramming procedure.
- Reprogram the TCM with the Mazda Modular Diagnostic System (M-MDS) using IDS 112.04 or later software.
NOTE:
- Verify the current TCM file name in the vehicle by log view screen. If it is the same as that in the below chart or later one, you do not need to reprogram it.
- Always update the IDS tool first, then follow on-screen instructions to download the needed calibration file for TCM reprogramming.
- Follow the attached “Service Caution for reprogramming”.
- After the reprogramming, verify the calibration file name if it matches with in the below chart.
- Verify the repair by starting the engine and making sure there is no MIL illumination or abnormal warning lights present.
NOTE:
- If any DTCs should remain after performing DTC erase, diagnose the DTCs according to the appropriate Troubleshooting section of the Workshop Manual.
Calibration files information
NOTE:
- If the calibration file is with the suffix in the table or later, the TCM already has the modified calibration.
- Older file name column shows the first four letters of the older file name only if some of the older file names are different from the new file name.
=== US spec. ===
| MY | TCM File Name |
| 2016-2018 Convertible Top | PEFB-18ZB3-E |
| 2017-2018 Retractable Fastback | PSPD-18ZB3-A |
| 2019 | PAC6-18ZB3-C |
=== Mexico ===
| MY | TCM File Name |
| 2017-2018 | PSN1-18ZB3-B |
| 2019 | PAC6-18ZB3-C |
Service Caution for Reprogramming
NOTE: Poor connection between the vehicle and M-MDS and/or low voltage may result in abnormal termination and/or data corruption.
a. Make sure that the following connections are firmly connected, and then do NOT touch the VCM and DLC cable to prevent from causing noise and poor connection.
- Between the vehicle-side connector and the DLC cable
- Between the PC-side connector and USB port of PC
b. Connect AC adapter to the PC in order to stabilize voltage fluctuation during reprogramming Do NOT use vehicle battery outlet as power source for the PC.
c. During reprogramming, connect battery charger (charge current maintained within 10 to 15A) to the vehicle to stabilize voltage fluctuation.
Before reprogramming, pay attention to the vehicle condition and PC environment.
a. Turn off all the electrical loads, especially pay attention to A/C (blower), audio, rear defogger and headlights.
b. Perform self-test and verify no DTC is stored. If any DTC is stored, fix the concern and delete the DTC.
c. Disconnect all non-genuine aftermarket accessories.
d. Terminate all programs other than IDS on the PC. This may extend reprogramming, PC may freeze or it may cause other problems.
e. Verify that the latest IDS software is installed on the PC.
f. Perform reprogramming under proper Internet environment. Especially when using wireless network, make sure the connection is strong.
g. Make sure to keep proper free space on the PC’s hard disc. Insufficient free space (less than 1 GB) may result in PC freeze during reprogramming.
2016-2019 MX-5 (ND)
Transmission Control Module Software Safety Recall 3019A
NHTSA Campaign No. 19V-072
March 2019
This notice applies to your vehicle: VIN
Dear Mazda Owner:
This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act. Mazda Motor Corporation has decided that a defect which relates to motor vehicle safety exists in certain 2016-2019 MX-5 vehicles, produced from April 20, 2015 through December 11, 2018. This letter has been revised and is being resent to clarify the subject and problem description.
If you are a recipient of this notice, your vehicle is included in this recall.
What is the problem?
In affected vehicles equipped with automatic transmissions, electrical noise may be detected while driving in “D” range (including “Manual” mode). Due to a software error in the Transmission Control Module {TCM), this signal noise may cause the vehicle to unexpectedly downshift, causing an abrupt deceleration of the vehicle.
The sudden unexpected downshift while driving may negatively affect the stability of the vehicle, and could lead to a loss of vehicle control, potentially resulting in a crash.
What will Mazda do?
Protect what is important to you
Your Mazda dealer will reprogram the TCM {Transmission Control Module) of your MX-5 vehicle. The repair will be performed at no cost to you.
How long will it take?
The repair should take approximately half an hour to complete; however, your Mazda dealer may need your vehicle for a longer period of time.
What should you do?
Mazda is concerned about your safety, and we encourage you to contact any authorized Mazda dealer to schedule an appointment to have your Mazda vehicle repair as soon as possible. You do not need to bring this notice to the dealer, but it may assist in the check-in process.
Where is the closest Mazda dealer?
To locate your nearest Mazda dealer, visit our website www.MazdaRecallinfo.com, or call our Customer Experience Center at (800) 222-5500, option #4.
Moved or no longer own this vehicle?
If you have moved or no longer own your Mazda vehicle, please complete and mail the enclosed postage-paid Information Change Card (no envelope required) as soon as possible. This enables us to update our records and notify the current owner.
Federal law requires that any vehicle lessor receiving this recall notice must forward a copy of this notice to the lessee within ten days.
Still have questions?
If you have any questions regarding this campaign, please contact our Customer Experience Center toll free at (800) 222-5500, option #6.
If Mazda or its dealers do not repair the defect free of charge and within a reasonable amount of time, you may notify the Administrator of the National Highway Traffic Safety Administration, 1200 New Jersey Ave., SE., Washington, DC 20590; or call the toll-free Vehicle Safety Hotline at 1-888- 327- 4236 {TTY: 1-800-424-9153); or go to https://www.safercar. gov.
As a reminder, you can always go to www.MazdaRecallinfo.com and enter your VIN to view recalls and service campaigns that apply to your vehicle as well as register to receive future recall alerts.
Your safety is our first priority at Mazda. We actively work to improve our products and search for solutions to improve your ownership experience. We apologize for any inconvenience this recall may have caused you.
Sincerely,
Mazda North American Operations
Para información en español, visite www.MazdaSeguridad.com o llame a nuestro Centro de Experiencia para el Consumidor al (800) 222-5500, opción #8 para hablar con un representante en español.
4 Affected Products
Vehicle
| MAZDA | MX-5 | 2016-2019 |
14 Associated Documents
Recall 573 Report – AMENDMENT 2
RCLRPT-19V072-8358.PDF 214.502KB
ISSUED Owner Notification Letter(Part 577)
RCONL-19V072-6411.pdf 347.103KB
Recall 573 Report – AMENDMENT 1
RCLRPT-19V072-7433.PDF 214.334KB
Manufacturer Notices(to Dealers,etc) – Subject: STOP SALE – Announcement of Safety Recall 3019A – 2016-2019 MX-5 – Transmission Control Module Software Concern
RCMN-19V072-4519.pdf 253.346KB
Miscellaneous Document – WARRANTY INFORMATION Recall Campaign 3019A
RMISC-19V072-2609.pdf 157.33KB
Defect Notice 573 Report
RCLRPT-19V072-4915.PDF 214.334KB
Remedy Instructions and TSB
RCRIT-19V072-7402.pdf 310.641KB
Miscellaneous Document – WARRANTY INFORMATION Recall Campaign 3019A
RMISC-19V072-3668.pdf 155.516KB
Recall Acknowledgement
RCAK-19V072-9165.pdf 246.384KB
Defect Notice 573 Report
RCLRPT-19V072-3964.PDF 214.247KB
Manufacturer Notices(to Dealers,etc)- Subject: Launch of Safety Recall 3019A – 2016-2019 MX-5 – Transmission Control Module Software Concern
Recall Quarterly Report #1, 2019-1
RCLQRT-19V072-7577.PDF 211.156KB
Recall Quarterly Report #2, 2019-2
RCLQRT-19V072-3881.PDF 211.259KB
Recall Quarterly Report #3, 2019-3
RCLQRT-19V072-5269.PDF 211.345KB
Latest Recalls Documents
Mazda Reprogramming
Mazda Reprogramming
MDSFA/MMP Required Hardware (Not Included)
As shown in the diagram, an SAE J2534 pass-thru device is required to use the application.
Hardware validated by Mazda can be purchased separately from a third-party supplier. Validation has been done using the following J2534 pass-thru device and cables:
- CarDAQ+ (includes RS232 and Ethernet cables)
- Cable between CarDAQ and Vehicle – CD2534-J1962-FEPS (Sold separately / Required)
Important Information: Mazda makes no representations about the performance of third-party passthru devices. This pass-thru device list is provided voluntarily and as a courtesy. While our software meets SAE J2534, the pass-thru device manufacturer is responsible for making sure their pass-thru device operates properly on each Mazda vehicle and with Mazda software. We have listed the devices below because their manufacturers have attested that the tools have been validated to work. From time to time, we may test these devices. If we determine they do not operate properly or are obsolete, we may remove them from the list, without notice. Additionally, pass-thru devices listed here have been listed for their use with Mazda North American products only. While they may work with some European and other vehicles, they may not meet the requirements for those regions or operate properly.
Hardware can be purchased from a third-party supplier. Mazda has validated the following J2534 passthru devices:
| **J2534 Pass-thru Device | Manufacturer |
| *CarDAQ+ | Drew Technologies Inc. |
| *Pass-Thru+XS | Actia Corp. |
| *Snap-On Pass Thru Pro II | Snap-On. |
| *Universal Reprogrammer | EASE Diagnostics |
| *FLASH2 All-Makes Reprogrammer | CARDONE Industries |
| *Bosch Mastertech VCI | Bosch Diagnostics |
*Contact the device manufacturer for the latest DLL and firmware versions.
**Many J2534 manufacturers sell and market similar J2534 devices with like names. Please exercise caution when using the list above for purposes of understanding devices Mazda has validated for use. J2534 Pass-thru Device Suppliers: Mazda has validated the J2534 devices listed on this page. Mazda does not plan to validate additional J2534 devices at this time.
PCM Reprogramming Process Overview
- Purchase a subscription to PCM Reprogramming on this website.
- Download the application and install it on your PC.
- Connect the J2534 pass-thru device to the PC and the vehicle, and power it up.
- Run the application installed on your PC.
- The application will determine whether or not a new calibration file is available.
- If you choose to use the new file, the module will be reprogrammed.
- If PATS functionality is required, it can be chosen from the toolbox.
https://www.mazdaserviceinfo.com/pcm-reflashing
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