| Subject:
MAZDA CONNECT SHUTS DOWN AND DOES NOT REBOOT | Bulletin No: 09-044/15 |
| Last Issued: 11/13/2015 |
APPLICABLE MODEL(S)/VINS
2014-2015 Mazda3 vehicles (Japan built) with VINs lower than JM1BM****** 276072 (produced before June 2, 2015)
2016 Mazda6 vehicles with VINs lower than JM1GJ****** 435074 (produced before June 2, 2015)
2016 CX-3 vehicles with VINs lower than JM1DK****** 103929 (produced before June 2, 2015)
2016 CX-5 vehicles with VINs lower than JM3KE****** 673173 (produced before June 2, 2015)
DESCRIPTION
Some vehicles may experience the Mazda Connect infotainment system shutting down within a few minutes after the ignition is turned on, and will not reboot. It will only reboot after the ignition is turned off and then on again. This is caused by an internal malfunction of the connectivity master unit (CMU) hardware.
NOTE: If the system reboots by itself, this TSB is not applicable. Refer to TSB 09-022/15 for CMU software update.
Customers having this concern should have their vehicle repaired using the following repair procedure.
REPAIR PROCEDURE
- Verify customer concern.
NOTE: If the system reboots by itself, this TSB is not applicable. Refer to TSB 09-022/15 for CMIJ software update.
- Replace the CMU with a new one according to the instructions on MS3 online or the Workshop Manual (section 09-20 CONNECTIVITY MASTER UNIT (CMU) REMOVAL/INSTALLATION).
NOTE:
- For Mazda3, check SSP98 status.
- SSP98 is OPEN: Replace the CMU and submit claim only for CMU replacement according to this TSB. If the new CMU is found to have an older software version installed than what is available on MS3, update the CMU according to SSP information and submit the claim using the SSP98 warranty information to CLOSE SSP98.
- SSP98 is CLOSED or vehicle is NOT SUBJECT to SSP98: Repair and submit claim according to this TSB
- For all other models (except Mazda3 with open SSP98), check the software version installed before replacement. If the new CMU is found to have an older software version installed than before replacement, update the CMU and submit a claim according to this TSB.
- Verify repair.
PART(S) INFORMATION
Use exchange unit only from United Radio. DO NOT automatically order a new part for warranty replacement.
| Description | Qty. | Notes | Part Number |
| CMU | 1 | Mazda3 (Japan built) | BHP1-66-9C0J |
| CMU | 1 | Mazda6, CX-3, CX-5 | KA0G-66-9C0C |
WARRANTY INFORMATION
NOTE:
- This warranty information applies only to verified customer complaints on vehicles eligible for warranty repair.
- This repair will be covered under Mazda
’s New Vehicle Limited Warranty. - Additional diagnostic time cannot be claimed for this repair.
| Warranty Type | |||
| Symptom Code | 64 | ||
| Damage Code | |||
| Part Number Main Cause | 66 9C0* (CMU part number) | ||
| Qty. | 1 | ||
| Operation Number | XXL7GXRX | ||
| Labor Hours | CMU replacement | Mazda6 | 0.5 Hrs |
| except Mazda6 | 0.4 Hrs | ||
| CMU replacement and software update | CX-5 | 0.5 Hrs | |
| except CX-5 | 0.6 Hrs | ||
09-044/15
11/13/2015
SaleBestseller No. 1
Navigation SD Card KR9D66EZ1B for Select Mazda 2024-2026, USA/CAN/MEX Maps
- 【Reliable Offline GPS Navigation】: Enable built-in offline navigation for the United States, Canada, and Mexico directly through your vehicle’s factory infotainment system. Ideal for road trips, tunnels, mountain highways, rural areas, and locations with weak cell coverage. Designed as a dependable backup navigation solution alongside CarPlay or smartphone apps
- 【Compatible Mazda Models】: Compatible with select Mazda vehicles equipped with the factory Mazda Connect system and SD card slot: CX-30 (2025–2026), Mazda 3 (2025–2026), CX-50 (2025–2026), CX-70 (2025–2026), MX-5 (2024–2026), CX-90 (2026)
- 【VIN Compatibility Assistance & Free exchange Support】: Not sure which navigation card your vehicle requires? Message us with your VIN for compatibility verification before purchase. Ordered the wrong model? If a compatible model is available, we offer a one-time free exchange within 2 months of purchase
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- 【Factory Navigation Features & HUD Support】: Works directly through your vehicle’s factory infotainment system for a clean OEM-style navigation experience without extra screens or phone mounts. Supports voice-guided navigation and HUD features on compatible vehicles
Bestseller No. 2
2026 Latest Navigation SD Card for Mazda CX-5 - KMV666EZ1C, GPS Maps Navigation SD Card Compatible with Mazda CX5 2024-2025, CX30 2024, CX90 2023-2025, Mazda CX5 SD Cards Updated Maps for USA/CAN/MEX
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- [Simple Plug & Play Installation] : 1.Turn off the engine at least 10 minutes and locate the navigation SD slot; 2.Remove the old card and insert the new KMV666EZ1C card; 3.Start the engine and allow the system to update automatically; 4.Keep the engine running during installation — no tools or dealership visit required.
- [Stable Offline Navigation] : Leave dead zones and data worries behind. Unlike smartphone apps that drain your battery and fail when you lose signal, this mazda cx5 navigation SD card stores maps directly onboard. It operates entirely offline, delivering consistent turn-by-turn directions no matter where the road takes you—through remote mountains, rural farmlands, or underground garages. No subscriptions, no hidden fees, just dependable GPS performance that's always ready when you are.
- [Industry-Standard Map Data Note]: This 2026 navigation card uses official 2025 road data. A 6–12 month data delay is standard across the automotive navigation industry due to map collection, production, and distribution timelines.
SaleBestseller No. 3
2025 2026 Latest Navigation sd Card Memory KR9D66EZ1B,Compatible with Mazda 3,CX-30,Cx50,CX-50 Hybrid,Cx70 (2025 2026),MX-5(2024-2026)
- 2025 2026 Latest Navigation sd Card memory KR9D66EZ1B Compatible with Mazda 3, Cx-30, Cx-50 , CX-50 Hybrid , Cx70 2025 2026, MX-5 2024-2026. --10 Year After-Sales Service
- Please Note: The Navigation card can be used only in one car, once it is installed to the navigation system for the first time, it will be locked with cars VIN. Navigation system Navi cards cannot be used/switched from one vehicle to another.
- Please Note: When using a new card for the first time, it is necessary to load map data and configuration files. For some devices, the index construction needs to be completed in the background on the server. Therefore,Sometimes,it is necessary to wait for 1-2 hours or restart the next day to allow the system to complete the initialization before the GPS signal synchronization can be achieved
- Reliable Offline GPS Navigation: Enable built-in offline navigation for the United States, Canada,Mexico directly through your vehicle’s factory infotainment system.Ideal for road trips, tunnels,mountain highways,rural areas, and locations with weak cell coverage. Designed as a dependable backup navigation solution alongside CarPlay or smartphone apps
- Installation instruction： Step 1: Turn vehicle off. Step 2: Locate the card slot. Step 3: Remove the old navigation sd card. Step 4: Insert the new Navigation memory Card into the slot until it clicks. Step 5: Start the engine to ensure the new Navigation memory Card is functioning. The word "Navigation" should appear in the upper right hand corner
Bestseller No. 4
2025-2026 Latest Navigation SD Card - KR9D66EZ1B, Compatible with Mazda 2025 2026 CX-50/3/CX-30/CX-70, 2024-2026 MX-5, Mazda SD Navigation Card for USA Canada Mexico Offline Maps
- 【Updated Navigation SD Card for USA, Canada & Mexico】This updated navigation SD card comes pre-loaded with the latest offline navigation map for the United States, Canada, and Mexico. No cell signal needed—enjoy extensive, self-contained map data covering millions of points of interest, including hotels, gas stations, restaurants, pet stores. Whether you’re navigating busy city traffic, rural backroads, or remote areas, this navigation memory card delivers full, reliable offline guidance that never leaves you stranded when the signal drops.
- 【Vehicle Compatibility & Plug-and-Play Simplicity】This navigation SD card is built for a seamless fit with select Mazda models equipped with the factory Connect system, including 2025-2026 Mazda 3 CX-30, CX-50, CX-70, and 2024-2026 MX-5. Installation is straightforward: with the engine off, insert the card into your car’s SD slot. Upon ignition, the system auto-activates and integrates securely—no dealer visit required.
- 【Heads-Up Display (HUD) for Safer Driving】A superior advantage over smartphone navigation apps. This Mazda SD navigation card enables turn-by-turn directions to beam directly onto your Mazda’s Heads-Up Display (HUD) screen. This navigation memory card Keep your eyes on the road and reduce distracted driving, especially helpful during high-speed freeway interchanges or complex city traffic.
- 【Important Installation Note & VIN Lock】The mazda navigation map is designed to be locked to one vehicle’s VIN permanently; it cannot be transferred to another car once inserted. For first-time use, the system may need 1-2 hours or an overnight restart to fully synchronize GPS signals and complete background indexing. Please be patient during this one-time initialization process. Do not attempt to update the map data manually or insert the card into a computer to avoid permanent damage.
- 【What's Included】You will receive the KR9D66EZ1B Navigation Card, ready to use. To reduce paper waste, we only include the navigation SD card in the package. A digital user manual is available upon request, and we also offer free VIN check services to ensure this card fits your vehicle perfectly. Just send us a message and we will reply within 24 hours.
Bestseller No. 5
Navigation SD Card for Mazda CX-5/CX-9 2016-2020, Mazda 3 2014-2018
- 【Compatible Vehicles】The Navigation SD Card Compatible with Mazda 2014-2018 - 3, 2016-2024 - Mazda 6/CX-3/MX-5, 2016-2020 - CX-5/CX-9. For more car models, please carefully see product description
- 【Latest Navigation】The SD card is used to store video data for automotive navigation, including maps & road info. It's updated with the latest map database, covering the newest expanded coverage of hundreds of cities, counties, and metropolitan areas in all 50 U.S. states, Puerto Rico, and Canada.(Note:Only for SYNC systems using SD card navigation)
- 【Built in High-end Chip】The Ford Navigation SD card is comprised of high-end chip. It boasts 32GB of memory and high-speed data processing capabilities, making it resistant to burnout or damage during use
- 【Easy to Install】First, turn off the vehicle to ensure no current is flowing. Next, locate the SD card slot and insert the new navigation SD card into the slot until you hear a click, indicating completion of installation. (The slot is spring type. Don't forcibly pull out the SD card without fully inserting it, as this may easily damage the chip)
- 【Order with Confidence】Please verify the vehicle model and dimensions prior to placing your order. Should you have any inquiries, do not hesitate to reach out to us, and we will respond to you as promptly as possible
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