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https://connect.mazda.com/en/support/gracenote_update/

8. Press the 'Return' arrow BUTTON on the screen many times to go back to the top page of the Factory/Service Inspection screen. From there, scroll down and choose "End Diag Mode" to get back to the Normal Screen. WRITING TO POST TO THIS FORUM TOPIC....

To Replace the firmware update in your Mazda correctly, you must first reveal the whole version numbers on the screen below. 1. Push the start button (with the radio turned on) to activate the ignition or ACC. 2. Keep pushing the volume mute button simultaneously. The "Diagnostic Test" screen will display when you simultaneously push the Music and Favourite buttons for three to five seconds. 3. Use the Commander Knob to scroll up or down the list on the screen, as shown by the orange highlighted items. 4. Press the Commander Knob once to bring up the screen, and then choose the orange "Service Information" option. 5. From the screen, choose "Connected Device Information" (orange). Next, find the orange "CMU" option and click on it. 7. The screen labelled "Device Version Information CMU" follows. View the ECU software number '7000C0A-NA11_10008' as an example. What we need to know is the whole string of numbers and letters beginning with 70xxCxx-xxxx_xxxxx. To exit the test, record your numbers and then click the return arrow. Capture a screenshot of your screen and send me a private message while we're talking.

I'm willing to guess that your Mazda dealer is using an outdated version of the Connect firmware as they seldom update it while servicing customers' cars. Because of the car's antiquated firmware, Mazda dealer service is always reactive, but I'd rather take a proactive approach with Mazda Connect. The files used are authentic and authorised by Mazda Motor Corporation Japan and supplied to their Mazda dealers. Yes, it is quite easy and will not cancel your new car warranty. Things You'll Need to Upgrade Your Vehicles MAZDA CONNECT, Generation 7. 1. A desktop computer running Windows 10 or Windows 11 Pro 64-bit. A USB flash drive that has been formatted to FAT32 and has a capacity of 32, 64, or 128 gigabytes, as long as it has a USB C male port. 3. The Official Mazda Firmware Update File, which I will privately provide to you via a Mega Link, together with all the necessary instructions, for download. You may use the translation feature in the upper right corner of most PC browsers, such as Google Chrome and Microsoft Edge. Not only are these updates always free from me, safe and genuine Mazda, but there are a few of people in Europe who are charging for them. Be wary of downloading from unofficial YouTube links, since the advice there could be inaccurate or nonexistent. I am here to guide you through this simple procedure. Please be informed that it is not possible to change or swap entertainment systems. Doing so would be quite troublesome. Warning: International syncing issues may occur with incompatible TCUc, CMUs, emergency SOS numbers, GPS, and navigation SD card maps. Because Mazda systems are VIN-locked and cannot be transferred, this vehicle is only compatible with use within the country in which it was originally manufactured. The 7th Generation Mazda Connect is standard on all Export CX-90s. See above for a 7th generation Mazda home screen with white text on a black background. The red choose icons appear on a black screen on older 6th generation Mazda home screens. JOIN ME Simply click on my ASH8 avatar, a pop-up will appear; from there, find the "+ FOLLOW" tab on the bottom left of the pop-up and click it to get fast alerts whenever I publish new content, such as bulletins or firmware updates. This manual update file is specifically designed for CX-90s that were sold new in North America, such as the USA, Canada, and Mexico, starting from 2026 or 2027. The newest official firmware update for Mazda vehicles is now available.. 7023C1A-NA13-100??.kwi is valid just in North America.

Update files for Mazda Connect firmware include bug fixes. Please notify your dealer if you have any issues with your 2026 CX-90 Mazda Connect; this feature is currently unavailable. Anything that Mazda has not made accessible cannot be provided. In the years 2026 and 2027, CX-90 will be available. Regarding the Nations Included Here... USA (Canada). It won't work in China or Japan.

The plug-in costs £60. After the first plug-in, any further work will cost £95 per hour + VAT.

https://www.prestigecarservice.co.uk/

Can you get messages? I'm not sure. Reach out to him via his business.

Put it in charge for a day and see its performance. 👍 The stop-start auxiliary capacitor pack can be in your possession as well. Behind the shifter

Sure, it's certainly doable. Does anybody happen to know who can check the battery?

I appreciate it, I am in Alton, which isn't far from you, but I can't private message you since I'm new. Could you please provide me with a quote so I may review it?

You should get real batteries. Connecting it to a Xentry machine will allow for an accurate diagnosis, eliminating the need for guessing.

I appreciate it; I swapped out the old battery with an aftermarket 115 Rombat AGM Start/Stop around two years ago. English CCA 800 Current (ah) 120 volts Is it possible that the battery is of low quality?

Your description is correct; random problems like this may be caused by a deteriorating batter. It is likely time to change the battery if it is the original one.

Yours really is a 2016 W205 C 250 BlueTEC My vehicle is experiencing ESP failures (which are more prevalent) and collision prevention assist problems (which are less common) on an intermittent basis. As soon as I turn the engine back on, they vanish, and it may be another two or three hundred miles before I see them again. When the screen alternates between green and yellow, it seems that the Stop/Start is acting erratically, which appears to be related to the Collision Prevention Assist issues. Might there be a problem with the voltage regulator or stabiliser? I can't find any indication that it has ever been modified, and I've had the vehicle for around four years without making any changes.

My issue is with that. It's probably just my age, but KWILB, I have a terrible memory for where I saw stuff.

I first used ISTA when I first set it up a few months ago, but it depends on the scan tool you have. The otofix one I have does it. The procedure was walked me through by the test plan since it had a fault code, but I can't recall its specific name.

Hello, the provider assured me that the adaptive xenon unit I purchased will work with my vehicle. No, the diagnostic procedure is lacking. Would you be so kind as to tell me how to accomplish that? Can I do that step with my generic obd scan tool?

Was a TMS used for adaptive xenon, and were diagnostics employed for initialisation thereafter?

My front left headlight is giving me the following problems. Problem with the adaptive headlight Failed Left Turn Signal No light may be directed vertically. Given the string of setbacks The TMS module was my first guess. I had to take this edge connection apart since it was so rusted. So I got an aftermarket part to put it back in its place. The error messages have not changed. Might the problem be with the bulb and the LED indication module? If you could assist, it would be great.

🥲🤐

My brakes get a good cleaning every so often, and the next service is in July. The dependability of aircraft software has to be improved compared to the KIA stuff!

The sound is similar to the typical disk-stuck pads. For my part, it's becoming worse. (due to the persistent rain) The brakes likely require maintenance, therefore I was wondering when the last time the automobile was serviced was.