Mazda CX-5 warning lights comes on

Filed Oct 31, 2026 · Brakes, Driver assistance · NC

During hard or emergency braking at higher speeds, the Anti-Lock Braking System (ABS) activates and pulsates normally for approximately 1 to 2 seconds, then abruptly fails and stops pumping. Immediately after the ABS cuts out, the wheels lock up completely, causing the vehicle to skid with loss of traction/stability control, reduced steering control, and extended stopping distances. At the exact moment the ABS stops pumping and the wheels lock, the dashboard displays a "Smart Brake System Malfunction" warning message and illuminates both the ABS warning light and the TCS/DSC (Traction Control / Dynamic Stability Control) indicator light. However, as soon as the braking event ends, all warning lights and the error message turn off automatically on their own without needing to restart the vehicle. Because the fault clears itself immediately during the drive, there is no active warning on the dashboard showing that the ABS, TCS/DSC, and Smart Brake systems are compromised until the next high-speed emergency braking situation occurs. Vehicle diagnostic scans recorded error codes U3003-16-68 (Circuit voltage below threshold), U0316-09-08 (Error signal received from DSC/ABS module), and B13D3-16-8A. The vehicle has been inspected and serviced twice by an authorized Mazda dealership for this exact safety defect: on 8-Sep-2026, the dealership replaced the 12V vehicle battery, and on Oct-5-2026, the dealership replaced the ABS module. Neither repair resolved the issue, and on both occasions the dealership returned the vehicle claiming it was fixed. Testing the brakes confirmed the defect persists: under hard braking, the ABS still cuts out after 1 to 2 seconds, locks the wheels, and momentarily triggers the ABS light, TCS/DSC light, and "Smart Brake System Malfunction" warning before clearing itself again.

Filed Oct 2, 2026 · Brakes, Electrical · VA

2025 Mazda CX-5. The vehicle experienced a severe, dynamic charging system failure that creates an active safety hazard on public roads. A dealership service department attempted a software update, which turned off the active dashboard layout indicator but completely failed to resolve the root hardware issue. The system failure remains active and has thrown consecutive advanced safety system faults. VEHICLE DIAGNOSTIC TIMELINE & BRIEF •Vehicle: 2025 Mazda CX-5 •Warranty Status: Active (Under Bumper-to-Bumper New-Vehicle Limited Warranty) •Modifications: None (100% Factory Standard; No aftermarket accessories) On the evening of [XXX], while preparing to leave on a cross-country trip, the car would not start. It was originally believed it was because while loading the car we left one of the key fobs in the car and tried to lock the doors. We reset the fob and tried the manual override to get the car to start with no luck. There were several warning lights coming up on dash to include an istop warning. Unfortunately, I didn't take pictures of the original incident. We contacted AAA and they came and jump started the car. We left on our trip the morning of [XXX]. The car started with no issue. That afternoon as we were driving through a small town, we stopped at a traffic light and received the "Battery Malfunction" warring light. We headed to Auto Zone, they checked the battery and said it had low charge, even though we had just driven the car over 400 miles. We parked the car at the hotel fulling expect to have to call AAA again but the next morning the car started without a problem. On [XXX], we continued our trip. When we stopped for gas that afternoon the car would not start. We again had to jump it. When we left the gas station the check engine light came on (amber). We were close to Wichita Falls, TX so we stopped for the day and made an appointment with the dealership there for the nINFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed May 21, 2026 · Electrical · 930 miles · AL

The contact owns a 2026 Mazda CX-5. The contact stated while driving at an undisclosed speed, the instrument cluster displayed a black screen. The contact stated that several warning lights were illuminated. The dealer was made aware of the failure. In addition, the contact was informed that the failure was a known failure of the vehicle. The vehicle was not diagnosed or repaired by an independent mechanic or the dealer. The manufacturer was made aware of the failure and a case was filed. The failure mileage was approximately 930.

Filed Dec 4, 2025 · Driver assistance, Electrical · MI

Dashboard lit up like a Christmas tree. Multiple warning lights all at once. This issue has been reported on multiple Mazda vehicle years. Took to Delker Auto repairs. Is electrical problem. Stated that so far nothing wrong with components. Will have to hunt for. Mazda has known electrical issues. In addition, your file upload will not let me upload picture even though it's in correct format. I can send separately.

Filed Nov 17, 2024 · Brakes, Electrical · TN

The steering and braking systems on my vehicle malfunctioned after jumping my vehicle when the battery drained too far to start, or even power my cars baseline electrical systems. After jumping my car, I started backing out of my parking spot and when I turned the wheel it very violently jerked in a manner that could have hurt me if I'd been holding onto the wheel tighter. Around this same time I believe I recall the brakes automatically applying and halting the vehicle. I was too far out of my parking spot when this began occurring and had to try to maneuver into a different one, during this attempt both of the conditions described above reoccured several times. I eventually noticed that it only seemed to trigger when the wheel was at more extreme steering angles, by keeping the steering angle lower I was eventually able to maneuver into another spot without triggering the issues. After parking and letting the car run for a bit to recharge the battery I no longer experienced these issues. There were several warning lights related to roll stability control, lane departure monitoring before pulling out. The following warnings were present, but I'm unable to recall whether they displayed before I first hit the issues: Smart Braking Malfunction, Power Steering Malfunction, Transmission Malfunction, Check Engine Light. The vehicle has not yet been inspected by anyone, however I was able to find evidence of other people complaining about what sounds to be the same issue going back several years online. [XXX] [XXX] [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Mar 1, 2023 · Electrical, Engine · CA

2023 02 28, 36410 miles - Engine oil burning smell entering the cabin of the car, oil leaking from engine. No warning lights. Diagnosed by Mazda dealer as a cracked cylinder head, will be repaired under warranty. Discovered Service Alert #SA-013/22 that applies to this defect. 2023 02 23, 36,389 miles - Car in for an oil change under extended service program at Mazda dealer. Dealer discovered the timing chain cover leaking, repaired under warranty. Owner also reported that information screen has been malfunctioning intermittantly. Dealer remarked that the screen does have problems, but that it is not covered by the warranty, and would need to be replaced within the next two years and would cost about $2000. Upon vehicle pick-up, several warning lights went on, dealer reprogrammed the code system, test drove, pronounced the lights indicated nothing was wrong. 2022 08 17, 31,174 miles - Fuel pump replaced under recall while car in for regular oil change covered by service contract. 2021 02 04, 17,629 miles - Timing chain cover leaking, discovered by dealer while in for regular oil change, repaired under warranty.

Filed Nov 21, 2022 · Electrical, Engine · PA

Check engine light went on at 56mph and stalled the vehicle. Almost causing and accident all lights on dash went on and off. I stopped turn the vehicle off then on and only the check engine light went on but started stalling after accelerating again the after about 3 mile the lights and stalling happened again. This can cause a major accident

Filed Sep 18, 2022 · Electrical · CA

smart key. during driving all the lights on the dashboard come on and the siren goes off and unable to have it turn off. After a period of time, its wears down the battery and it is no longer drivable. First time, it was towed to the AAA auto repair and they could not find anything wrong with it. The 2nd and 3rd time, AAA towed it back to Maita Mazda where we purchased it in good faith less than two months ago, and their service department could not find anything wrong with the electrical system. They replaced the battery the seond time, and the issue still occurred again when I turned it off. Then turned it back on as I needed to close the driver side window, and it would not turn on. No one seems to believe me, and we cannot get Maita to take it back and give us another vehicle in its place. It is extemely dangerous to drive in traffic, and we only bought it because it has a big enough trunk for my spouse's walker, and later a wheel chair. It is paid for in full,

Filed Sep 1, 2022 · Engine · CA

While driving to the airport suddenly all dashboard lights came on and engine "died" during the drive about 50mph. My wife who was driving, was lucky not to get into a crash and steered the car to the side to a full stop . The tow truck driver tried to restart the engine w/o success. The garage determined it is a catastrophic engine failure and need to be replaced. About 2 weeks prior we had an engine warning light. The car was taken to our regular serviced garage and was inspected w/o any issues and light was reset. All routing maintenance has been performed by same garage. There are similar reports on the web about total engine failure of Mazda CX5 during driving!!!

Filed Jul 24, 2022 · Electrical, Engine · KS

While beginning to turn into an interstate exit lane, all dashboard lights lit up, the engine died, and the car stopped. Power brakes & steering were inactivated. My husband was able to coast the car to the shoulder. My Mazda app said nothing wrong with car. Waited 3 hours for tow as we were out of state. The Mazda dealership found the high pressure fuel pump to have a malfunction. Two different technicians at the dealership related that Mazda was aware of the issue & had not yet issued a recalled.