” message appears in the instrument cluster / “Remove dirt on the front radar sensor” message appears in center disp Otherwise, the front radar sensor could be hit and its position deviated. For me the issue is incredibly consistent when staying in the left-most lane on the freeway where I live. When any of the following conditions is met, the front radar sensor may not be able to detect vehicles ahead or obstructions correctly and each system may not operate normally. Guys SMH, the ultrasonic sensors are those little round discs you see on your front and rear bumper covers if you are equipped with those sensors. How much do you think that shade spot would effect radar Apr 4, 2023 · Function Description: The radar needs to be calibrated in the following cases： 1) The radar sensor is loose or has been replaced. Mar 8, 2025 · Also, the front radar was disabling the Mazda cruise control because it said it was obscured. Hoping things get better from here. The initial warning comes up as front radar is obscured. That's one of the reasons law enforcement can't legally use radar against you when it rains, and those are even more sophisticated. Operation guide: 1. Stop each system immediately and have the vehicle inspected by an Authorized Mazda Dealer. I was pleasantly suprised i had no hick ups with the radar, camera and safety systems. Front radar obscured message means the radar sensor is blocked by something no clue what year or model you have it could be behind your front emblem or mid bottom of front bumper. I have a 2023 Mazda 3 and it has been raining pretty heavy here in California for the past few days. It goes away after a bit, or if I shut the car off. On visually inspecting the front radar sensor cover, it looks like it picked up a ding or two from the road. Dec 6, 2024 · That's one of the reasons law enforcement can't legally use radar against you when it rains, and those are even more sophisticated. Every time it snows I get this message. DESCRIPTION If driving on roads with few vehicles or obstructions ahead for the front radar sensor to detect, and a “Safety and Driver Support Systems Temporarily Disabled. It rained the day after, and I got the "Front Radar Obscured" error message while driving into work. The road is on a steep slope. The radar sensor (front) is mounted behind the front emblem. Saloon Rear side radar sensor Hatchback Rear side radar sensor The rear side radar sensor are installed inside the rear bumper, one each on the left and right sides. If “Front radar blocked” is displayed in the multi-information display of the instrument cluster, clean the area around the radar sensor (front). Apr 13, 2025 · Whether it’s a camera that misreads traffic signs or a radar sensor that triggers emergency braking out of nowhere, here’s what’s been flagged and what Mazda’s doing about it. I'm going to raise another complaint about the blind spot false Smart Brake Support (SBS) forward drive detection The front radar sensor functions by detecting the radio waves reflected off a vehicle ahead or an obstruction sent from the radar sensor. Loved the road test, the options and safety features. The rear surface of a vehicle ahead does not reflect radio waves The BSM may not operate normally if any of the following conditions is met. Front Radar Sensor System Malfunction 2. in use, “Safety and Driver Support Systems Temporarily Disabled. Apr 14, 2025 · I went to California from Las Vegas and within the same 10 mile radius the right rear radar obscured air comes up and disables the safety feature. Sedan Hatchback The surface area of the rear bumper near the radar sensors (rear) should always be clean so that the rear vehicle monitoring system operates correctly. This a common issue with driving Traffic Jam Assist (TJA) Smart Brake Support (SBS) The front radar sensor functions by detecting the radio waves reflected off a vehicle ahead or an obstruction sent from the radar sensor. It's ace Smart Brake Support (SBS) The front radar sensor functions by detecting the radio waves reflected off a vehicle ahead or an obstruction sent from the radar sensor. Jul 15, 2022 · DASH WARNING MESSAGE FOR DIRT ON FRONT RADAR SENSOR SURFACE This applies to certain Mazda's and the MX-30 made before Sept 25, 2021. “Front Radar Obscured. I bought my Mazda 3 at the beginning of the year and brought it in for its first (oil change) service two weeks ago. This issue really needs to be addressed. Front radar obscured and Safety and Dec 10, 2021 · Today I visited service for 1st year maintenance and said I am having "front radar obscured, safety and driver support systems disabled" message during rainy days. Basically something has obscured the sensors "view" and it's kicked off your cruise control. Relevant or not, I always clean the Mazda radar cover in the grill and windshield camera area before a long trip. Half of my drive was in clear weather, post-rain. The radar sensor (front) functions by detecting the radio waves reflected off a vehicle ahead or an obstruction sent from the radar sensor. May 13, 2025 · I have a 2025 CX90 PP, same issue with "RADAR OBSCURED". For repairs, replacement or paint work around the front radar sensor, consult an Authorized Mazda Dealer. A vehicle is approaching directly from the rear of your vehicle. When the vehicle is driven on roads in which there is an elevated road on one side, the front radar sensor function may be restricted temporarily. Dec 18, 2021 · Mazda 2021 CX-30 S AWD. Front Radar Obscured. After 20 miles of them driving and another 20 of me driving, it seems fixed. If any water from other cars gets on the sensor it will disable itself. This will occur day or night in clear weather and happens mostly on a hiway with no traffic Traffic Jam Assist (TJA) Smart Brake Support (SBS) The front radar sensor functions by detecting the radio waves reflected off a vehicle ahead or an obstruction sent from the radar sensor. They said they cannot check history, everything looks normal in OBC check and Jan 28, 2024 · After validating the malfunction the dealer contacted the Mazda Techline, did all the diagnostics, and replaced the (faulty) front radar sensor. Front radar , “ultrasonic sensor “, rear radars. You'll have to wait until it corrects itself and then reengage your cruise, or, go down to settings, safety, whatever the first option is on the next page and uncheck the first box after that. I decided to give mazda a chance and so far I’ve been disappointed in the reliability. Front Radar Obscured, Safety and Driver Support Systems Disabled. The rear side radar sensor function by detecting the radio waves reflected off a vehicle approaching from the rear or an obstruction sent from the radar sensor. Automatically identify the model CX-5 through ADAS The ultrasonic sensors detect objects by sending ultrasonic waves in a specific direction and receiving the reflected waves back. Always use tires for all wheels that are of the specified size, and the same manufacturer, brand, and tread pattern. The detection range of a front side radar sensor is obstructed by an adjacent wall or vehicle, or the radar is reflected. What's the point in having these safety features if they are constantly disabled when it snows. Home of Mazda3, CX-3, CX-30, 323, and Protege. While using Mazda Radar Cruise Control (MRCC), the MRCC cancels by itself. A vehicle suddenly enters the detection range from the front or side of your vehicle. Smart Brake Support (SBS) forward drive detection The front radar sensor functions by detecting the radio waves reflected off a vehicle ahead or an obstruction sent from the radar sensor. The rear surface of a vehicle ahead does not reflect radio waves Junction Crossing, Lane-Change Oncoming, Lane-Change Side, Evasive Steering Assist function (if equipped) The temperature around the front corner radar or rear corner radar is high or low A trailer or carrier is installed around the rear corner radar The front corner radar or rear corner radar is covered with snow, rain, dirt, etc. Every bloody sensor shut off and on. But the rain let up and the warnings went away. Dec 2, 2008 · My last car, I had my V1 hardwired and it sat right above the rearview mirror. The BSM may operate with stationary objects on the road or the roadside (such as guardrails, sidewalls, parked vehicles, and outdoor air The DAA can be set to not activate. Sep 11, 2023 · Mazda doesn't need special targets, the retraining is done dynamically on the road. The road is extremely wide. Drive Safely” I wanted to ask if anyone knew how to resolve this issue? It’s only happened twice. 3 in) Aug 18, 2014 · The other day my car was the victim of a hit and run on the rear bumper which damaged the left radar sensor and caved in the bumper on that side. Jul 28, 2022 · Purchased 2022 CX-30 Turbo Premium Plus for my wife as we were in the market for an AWD. Sunny, cloudless days. Car only has 3500 miles on it. The Mazda Radar Cruise Control with Stop & Go function (MRCC with Stop & Go function) system warnings notify the driver of system problems and precautions on use when required. They really need to work on there quality control when they’re building these cars. It's not a problem in an F-22 Raptor though, but neither will your Mazda make pedestrians sterile by walking in front of it. Refer to Exterior Care on Apr 14, 2025 · Después de aproximadamente una hora de conducción, recibo un mensaje de error “I-ACTIVSENSE Temporarily Disabled” (I-ACTIVSENSE Desactivado temporalmente) y luego alterna a “Rear Side Radar Obscured. I am getting the following warning : 1. 5) There is a pre-radar uncalibrated fault code. Do not apply stickers or similar objects to the rear bumper. It also is saying “Safety and Driver Support Systems Partially Disabled” and my app is telling me there is an “i-ACTIVSENSE System Malfunction”. Bright side is your still on warranty and this shouldn't be a hard fix for the dealer. The road surface is wet and shiny after rain, or there are puddles on the road. The radar sensor may simply need to be cleaned to eliminate the warning message. Mazda Radar Cruise Control with Stop & Go function (MRCC with Stop & Go function) System Warnings (Some Models) The Mazda Radar Cruise Control with Stop & Go function (MRCC with Stop & Go function) system warnings notify the driver of system problems and precautions on use when required. May 23, 2023 · I'm in EU . The first time I let the car sit and got back in it at a later time, no issues. I have a 2019 Mazda 3 BP . Front ultrasonic sensors Rear ultrasonic sensors Detection ranges of ultrasonic sensors About 50 cm (20 in) About 1 m 50 cm (59 in) About 1 m (39. Jan 12, 2020 · Hi all, after 10k km on my a AWD GT I’m still experiencing a front radar issue that ends up shutting down driver safety and support systems. Smart Brake Support (SBS) The front radar sensor functions by detecting the radio waves reflected off a vehicle ahead or an obstruction sent from the radar sensor. I took it in to my local dealer and was told that they would have to replace the bumper and that Mazda had changed the radar models and so I would have to replace both the left and right side radars For repairs or replacement of the rear side radar sensor, or bumper repairs, paintwork, and replacement near the radar sensors, consult an expert repairer (we recommend an Authorised Mazda Repairer). So I got this warning on my dashboard of “Front radar sensor obscured” and all safety features were turned off as a result. Refer to the Settings section in the Mazda Connect Owner's Manual. At Edmunds we drive every car we review, performing Jun 9, 2024 · Item description from the seller 20-2023 MAZDA 3 REAR RIGHT SIDE BLIND SPOT RADAR SENSOR MODULE BDTS-67Y30C OEM #M477 A tour of Mazda's obscure classic car collection Kei hot hatches, rotary buses, an RX-7 rally car and so much more. I used to only have the message during heavy rain (annoyingly but fair enough), but now it pops up almost every time I drive sun, cloudy, after rain Smart Brake Support (SBS) forward drive detection The front radar sensor functions by detecting the radio waves reflected off a vehicle ahead or an obstruction sent from the radar sensor. Jun 6, 2024 · I had really heavy rain in Germany and Switzerland three weeks ago during my holiday trip. It's either this or a radar system that's over confident and will engage FULL BRAKE when there's nothing there (looking at you, Ford). Worked great in that spot and it was nicely hidden. VINS lower than Just bummed someone has to rip into a new car so soon. This will occur day or night in clear weather and happens mostly on a hiway with no traffic The Mazda Radar Cruise Control with Stop & Go function (MRCC with Stop & Go function) system warnings notify the driver of system problems and precautions on use when required. I know Mazda has issued recalls for this problem and for the most part, they have been addressed. The camera picks up an obscure line, such as a temporary line being used for construction, or because of shade, unmelted snow, or grooves filled with water. If strong force is applied to parts near the radar sensors, the direction of the radar sensor may become deviated and each system may not operate normally. I’ve been hearing about a lot of people having this issue or that issue. You make a lane change 2 lanes or more. May 20, 2023 · I'm confused the sensors in the bumper are ultrasonic sensors used for rear proximity alerts (only activated when in reverse). Refer to Radar Sensors (Search). Aug 4, 2020 · So last couple of days iv been experiencing a random issue with a warning. A vehicle is approaching at an angle from the rear of your vehicle. Drive Safely” message is temporarily displayed, this does not necessarily indicate a problem. In the MZ3, I have it next to the rearview mirror because of the painted shade spot above the mirror. "front radar sensor obstructed which has temperately disabled mazda safety sense and please drive carefully" So i get a random message like that that will suddenly happen when i go to start the vehicle if its been Smart Brake Support (SBS) forward drive detection The front radar sensor functions by detecting the radio waves reflected off a vehicle ahead or an obstruction sent from the radar sensor. The blind spot sensors are radar type sensors and located in your side mirrors - so no issues with falling into the bumpers. The warning message would not go away, (obstructed other data in the instrument panel) until I stopped the vehicle shut off the engine and restarted. Taking to dealer soon. Today was on a 12 hr road trip and had some rain and icy rain. . This time, I’m confused as to why the issue didn’t automatically resolve. 69K subscribers in the mazda3 community. The radar sensors (rear) for the rear vehicle monitoring system are equipped inside the rear bumper, one each on the left and right sides. I get the rear radar almost daily for no apparent reason. Edmunds' expert review of the Used 2021 Toyota C-HR provides the latest look at trim-level features and specs, performance, safety, and comfort. Otherwise, the front radar sensor could be hit and its position deviated. Nov 5, 2022 · I don't think any front radar system would do well in the rain, disabled or not. Took it into the dealership and there's not even an error stored. I've taised a complaint with the NHTSA. The vehicle speed when reversing is about 15 km/h (9 mph) or faster. What the radar is seeing is noise and if there's too much noise it cannot act on what it has measured with confidence. Is this normal? No cruise, no blind spot monitoring depending on what disabled when Jul 6, 2023 · I've had some discussion with the dealership to get this looked at and at one point they've gone as far to replace the rear radar system. We would like to show you a description here but the site won’t allow us. My service is in Germany and showed them Sa-003/21. Front radar sensor If “Safety and Driver Support Systems Temporarily Disabled. The answer is always Miata but sometimes you have to haul… “Front Radar Obscured. I’ve had the car for a total of 6 days, and am now getting a “Rear Side Radar Malfunction” on the dash. 2) The bumper bracket is loose or replaced. It's not the same as the radar cruise control and it's not the same as the backup camera or other vision systems. Because of that, I get a “Front Radar Obscured” message and I get that message every time that it rains. Yeah it kind of stinks to have to spend the money on a new front distance sensor (radar) but compared to some manufacturers this is pretty "inexpensive". Just bummed someone has to rip into a new car so soon. This happens in little to no rain when the road is wet. Dec 9, 2017 · While driving on the highway I suddenly got a front radar sensor blocked message in the instrument panel. 2 days into Jun 6, 2024 · Had to drive through a pretty heavy downpour on my way to work this morning and twice I got an alert about the front radar being obscured and the cruise control, blind spot and activesense system showed disabled. It drives me nuts. Traffic Jam Assist (TJA) Smart Brake Support (SBS) The front radar sensor functions by detecting the radio waves reflected off a vehicle ahead or an obstruction sent from the radar sensor. Mazda Radar Cruise Control (MRCC) Mazda Radar Cruise Control with Stop & Go function (MRCC with Stop & Go function) Cruising & Traffic Support (CTS) If you switch the ignition OFF while you have cancelled some or all of the systems using the i-ACTIVESENSE switch, the operational status of each system will vary when the ignition ON is switched The Mazda Radar Cruise Control with Stop & Go function (MRCC with Stop & Go function) system warnings notify the driver of system problems and precautions on use when required. They can look up the Junction Crossing, Lane-Change Oncoming, Lane-Change Side, Evasive Steering Assist function (if equipped) The temperature around the front corner radar or rear corner radar is high or low A trailer or carrier is installed around the rear corner radar The front corner radar or rear corner radar is covered with snow, rain, dirt, etc. 3）Vehicle structure change/chassis adjustment. Check after hearing a warning beep sound. 4) The horizontal sensors have been replaced. The front radar sensor is mounted behind the front emblem. The rear side radar sensors cannot detect an object. I wanted to know if there was a fix for this? Is there something that I can purchase that will prevent this from happening? DESCRIPTION If driving on roads with few vehicles or obstructions ahead for the front radar sensor to detect, and a “Safety and Driver Support Systems Temporarily Disabled. Dec 6, 2024 · I'm fairly certain that it's a limitation of the Doppler radar used in automotive applications at this price point.

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