went to Jeff Has Mazda Dealership /service IN Katy Tx. This can become obstructed by: Snow and ice buildup Mud splatter after off-road driving Road debris or bugs Salt residue in winter months A quick clean of these areas is often all you need to resolve the warning. So I took the dash cam off hoping it will go away. Does anyone know the easiest way to repair the front radar system behind the front grill Mazda emblem? My question is, Do I have to remove the entire front Dec 6, 2023 · I have Mazda cx9-2019, 48000 miles on it. The system may have a malfunction if the beep does not operate. Your vehicle is equipped with a radar sensor (front). Jun 20, 2025 · Hey Mazda6 Family, First time here. I checked some fuses related to this and they are fine. Have your vehicle inspected by an expert repairer (we recommend an Authorised Mazda Repairer). The radar sensor (front) is mounted behind the front emblem. When the parking sensor switch is pressed with the ignition switched ON, the buzzer sounds and the indicator light turns on. When the Smart Brake system and front camera sensor malfunction lights appear, first inspect the front sensor and camera for dirt, debris, or damage. . Front Radar Sensor System Malfunction Smart Brake System Malfunction They seem to consistently come on at below freezing temps and intermittently above freezing. It happens when speed is below 5 miles per hour after driving for about 10-15 mins every time. Seeking advice and/or direction on repairing the Front Radar System/Front Braking Sensor Malfunction. Press the switch again to stop the operation. Inspect and clean the radar sensor surface to remove dirt or debris. The scan tool shows a Mazda SBS/MRCC Smart Brake Control/Mazda Radar Cruise Control U2300-56 (1/1) CM/current MIL continuous memory DTC code. I've tried cleaning off the Mazda logo in the grill, but I can't see where the sensor is. Technician The last couple of days I was getting the message, "front radar obscured" but now it's saying malfunction. I checked the windshield near the camera and didn't see any dirt or debris on the glass. " I looked it up and I think it's the front camera sensor. This safety feature acts like an extra set of eyes at low speeds, but when it fails, it's usually something Dec 13, 2017 · This morning when I started my 2017 CX 5 the warnings for Front Sensing Camera Malfunction, Smart Brake System Malfunction, and Forward City Brake Support Malfunction came up. " "Camera Malfunction. Mar 3, 2020 · This can also occur but with a bit of a different message saying something about an "obstruction" rather than "disabled" & when obstruction is in the code you just have to clean/clear off the sensor (located behind the Mazda emblem) Jul 28, 2025 · Radar Sensor Blockage: The front radar sensor is cleverly integrated into the Mazda logo on your front grille. 2018 CX-5 Front Radar and Smart Brake Sensor Malfunction CX-5 often faces front radar errors and smart brake sensor faults causing warning lights and system disablement. Apr 14, 2025 · One of the instances that can cause a warning/malfunction message to appear is bright sunlight. However it does work at other times. "Smart Brake System Malfunction""Front Radar Sensor System Malfunction"After a few minutes of driving, they usually go away. It seems like this is random , does it happen to anyone else ? Everything else works perfectly fine. com VINS 2019-2020 Mazda3 (Japan built only) with VINS starting with JM1 DESCRIPTION Some vehicles equipped with Smart Brake Support (SBS) may exhibit a front radar system malfunction message in the instrument clus. I don’t remember if the ADAS works together with the front radar sensor, I assume it does, but my windshield was also dirty at the time from tree sap, which smeared when I used my wipers. Have your vehicle inspected by an expert repairer, we recommend an Authorised Mazda Repairer. Mazda issued Technical Service Bulletin 15-002/20 addressing water ingress into the front radar sensor. Checked the Oct 4, 2025 · Getting a "Forward Smart City Brake Support Malfunction" warning on your Mazda's dashboard? Don't panic. Start by cleaning the camera lens and checking sensor alignment. Is it possible that fog is building up on the lens or windshield in front of the camera? Also, it could be an issue with either the camera on the windshield or the radar sensor inside the Mazda emblem in the grill of the car. See full list on cararac. Dec 13, 2017 · This morning when I started my 2017 CX 5 the warnings for Front Sensing Camera Malfunction, Smart Brake System Malfunction, and Forward City Brake Support Malfunction came up. Learn how to resolve the Mazda "Front Radar Sensor Blocked" warning with our step-by-step guide. The system may have a malfunction if the indicator light does not turn on even when the parking sensor OFF switch is turned on. Distance & Speed Alert (DSA) Mazda Radar Cruise Control (MRCC) Mazda Radar Cruise Control with Stop & Go function (MRCC with Stop & Go function) Cruising & Traffic Support (CTS) Smart Brake Support (SBS) The front radar sensor functions by detecting the radio waves reflected off a vehicle The radar sensors include a function for detecting abnormalities in the sensor, soiling of the sensor’s front surface, and informing the driver. High Beam Control System (HBC) Adaptive LED Headlights (ALH) Driver Attention Alert (DAA) Lane-keep Assist System (LAS) & Lane Departure Warning System (LDWS) Traffic Sign Recognition System (TSR) Advanced Smart City Brake If you see the warning saying “Front camera sensor system malfunction” in your Mazda vehicle, it’s very likely some minor glitch in the camera system or front radar unit. Jan 28, 2024 · After validating the malfunction the dealer contacted the Mazda Techline, did all the diagnostics, and replaced the (faulty) front radar sensor. The system may have a malfunction if a message indicating a system malfunction is displayed. Cleaned the front windshield and log with no success. The 'Smart Brake System Malfunction' and 'Front Radar Sensor System Malfunction' often stem from dirty or misaligned radar sensors located behind the front grille. Feb 12, 2025 · I recently bought a 2018 CX-5 that has a radar sensor and smart brake system malfunction. It worked fine yesterday and Jun 18, 2023 · If your Mazda throws the error message saying that your front radar sensor is blocked, follow the tips in this article to solve the issue. Dec 6, 2023 · I have Mazda cx9-2019, 48000 miles on it. Apr 21, 2021 · Front Radar Malfunction front radar front radar malfunction mazda 3 19 bp 2. The manual stated cautions about not putting any reflective material on the windshield, or something like that. What should I do?Take to the dealer to look for fault codes? Oct 27, 2021 · Recently the brake dash light would come on when the car was first started, followed by the smart city brake malfunction and front radar malfunction warnings. The following systems also use the radar sensor (front). Operation conditions The parking sensor system can be used when all of the following conditions are met: The ignition is A front camera sensor system malfunction often stems from dirty or misaligned sensors, faulty wiring, or software glitches. They should each "click". Jan 28, 2024 · From the sensor, the voltage to the sensor, the glass isn't adequate and is obscuring the sensor reading, a software issue. I had this smart brake system malfunction and front radar sensory system malfunction signs coming on intermittently for few weeks, then red brake sign also started coming on and off. Distance Recognition Support System (DRSS) Mazda Radar Cruise Control with Stop & Go function (MRCC with Stop & Go function) Smart Brake Support (SBS) The radar sensor (front) functions by detecting the radio waves reflected off a vehicle ahead or an obstruction sent from the radar If you see the “Front radar sensor blocked” warning in your Mazda, it means that the system of the front radar is not able to work properly. If I put it in reverse, I get an alert about the smart city reverse braking having a malfunction. When the ignition is switched ON with the parking sensor activated, the indicator light turns on. If you see the warning saying “Front camera sensor system malfunction” in your Mazda vehicle, it’s very likely some minor glitch in the camera system or front radar unit. If “Front radar blocked” is displayed in the multi-information display of the instrument cluster, clean the area around the radar sensor (front). Consult an expert repairer, we recommend an Authorised Mazda Repairer. "Smart Brake System Malfunction" "Front Camera Sensor System Malfunction" "Mazda Radar Cruise Control Disabled under 20mph" "Forward Smart City Brake Support Malfunction" Plus another alert about driver attention system malfunction. This occurred intermittantly over several days. Apr 13, 2025 · Mazda has recalled multiple models over false braking events, sensor failures, and misprogrammed modules—especially in the CX-90, CX-50, and Mazda3. It’s a 2021 Mazda CX-30 Turbo AWD Premium Plus and only has 7,400 miles. The answer is always Miata but sometimes you have to haul… Front Camera Sensor System Malfunction: can I clear this on my own? Hello folks, This happened after my battery died, tried to jump it with jumper cables and replaced the battery for a new one. Dec 5, 2018 · Forward Smart City Brake Support Malfunction Smart Brake System Malfunction Front Camera Sensor System Malfunction Jan 28, 2024 · After validating the malfunction the dealer contacted the Mazda Techline, did all the diagnostics, and replaced the (faulty) front radar sensor. If a message appears on the screen that can be addressed, follow the directions of the message. I have lost autonomous braking and cruise control. A software update from the dealer may resolve calibration issues. High Beam Control System (HBC) Adaptive LED Headlights (ALH) Driver Attention Alert (DAA) Lane-keep Assist System (LAS) & Lane Departure Warning System (LDWS) Traffic Sign Recognition System (TSR) Advanced Smart City Brake Your vehicle is equipped with a front radar sensor. I don't think it should take a week, but there are going to be specific test procedures the Mazda Techline will have them do to verify each issue they may have not seen before. If your warning came out of nowhere and lines up with a known issue, a free fix might already be available. Ultrasonic Sensor Malfunction???Has anyone else received this message? Sometimes this message pops up randomly, and then disappears. It didn't. Front camera sensor system malfunction Forward Smart City Brake Support Malfunction Driver attention alert system malfunction Mar 3, 2020 · This can also occur but with a bit of a different message saying something about an "obstruction" rather than "disabled" & when obstruction is in the code you just have to clean/clear off the sensor (located behind the Mazda emblem) Jul 28, 2025 · Radar Sensor Blockage: The front radar sensor is cleverly integrated into the Mazda logo on your front grille. After 20 miles of them driving and another 20 of me driving, it seems fixed. (With front sensor and front corner sensor) The system may have a malfunction if the beep sound which indicates a system malfunction is heard and the indicator light flashes. He was interested that someone else had had the same problem. There's some kinda reed switch inside the sensor that should "click" when you set it off. Technician Feb 13, 2021 · Hi, my 2019 CX9 shows front parking sensor malfunction on the right. Front camera sensor system malfunction Forward Smart City Brake Support Malfunction Driver attention alert system malfunction The system may have a malfunction if the indicator light does not turn on even when the parking sensor OFF switch is turned on. A front radar malfunction in the 2022 CX-5 usually indicates sensor misalignment or obstruction. Drive Safely. Sep 1, 2015 · There is another SCBS device in the Mazda logo in the front grill; if that gets dirty or something is covering the Mazda logo, that "might" trigger the SCBS to malfunction. Control Light Manually" "Safety and Driver Support Systems Partially Disabled. Your vehicle is equipped with a Forward Sensing Camera (FSC). Start by inspecting the radar sensor behind the grille for dirt, damage, or blockage. Dec 19, 2025 · If you own a 2019-2020 Mazda3 or CX-30 and you’re seeing persistent “Front Radar Sensor System Malfunction” warnings, there’s a known hardware defect you should know about. Check to make sure that the emblem is also clean. Dec 29, 2022 · If you are experiencing a front radar sensor system malfunction in your vehicle, it is important to take steps to diagnose and fix the problem as soon as possible. The warnings worsened, to the point that they remained on throughout a drive. Clean lenses gently with a microfiber cloth. Have someone who doesn't have a vested interest in you getting crushed to death by the car get into it, put it in reverse, and hold the brake while you walk around the car and put your ear up to each sensor. I have verified that both the badge on the front grill and the windshield in front of the rearview mirror area are clean. Dec 19, 2025 · If you own a 2019-2020 Mazda3 or CX-30 and you’re seeing persistent “Front Radar Sensor System Malfunction” warnings, there’s a known hardware defect you should know about. It worked fine yesterday and The system may have a malfunction if the indicator light does not turn on even when the parking sensor OFF switch is turned on. Basically, he didn't know what was going on and hopes it was just the tire pressure issue which dumped the SCBS. VINS 2019-2020 Mazda3 (Japan built only) with VINS starting with JM1 DESCRIPTION Some vehicles equipped with Smart Brake Support (SBS) may exhibit a front radar system malfunction message in the instrument clus. The following systems also use the front radar sensor. The radar sensor (front) functions by detecting the radio waves reflected off a vehicle ahead or an obstruction sent from the radar sensor. When the ignition is switched ON with the parking sensor activated, the buzzer sounds and the indicator light turns on. Apr 3, 2023 · When dealing with a front camera sensor system malfunction in a Mazda vehicle, there are several steps one can take to troubleshoot and resolve the issue. Vehicles with front sensor/front corner sensor When the parking sensor switch is pressed with the ignition switched ON, the buzzer sounds and the indicator light turns on. Check for sensor wiring damage or loose connectors. Aug 19, 2025 · Has anyone had a very minor bump to front of vehicle and had major problems with radar sensor? If you look Really closely at the photos, you will see a tiny crease in the front number plate and a crack on the plastic arch support from a young fella bumping me in a car park. The Forward Sensing Camera (FSC) is positioned near the rearview mirror and used by the following systems. 5 awd safety and driver system partially disabled sbcs off Jump to Latest 26K views 30 replies 14 participants last post by mazda6909 Sep 3, 2023 D May 23, 2023 · The front radar sensor is located behind the Mazda emblem on the grille. If it hits the sensor just right, it can "blind" the sensor and trigger the warning. Home of Mazda3, CX-3, CX-30, 323, and Protege. Has anyone else had problems with this? Any ideas on a solution? 78K subscribers in the mazda3 community. I’ve noticed that my cruise control doesn’t work more than often and a little message pops up that says front sensor malfunction.

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