Unknown cause - Heavy Traffic I get all warning lights (idiot) come on. No performance loss but every advisory and caution is illuminated. Tested battery 550amps and regulator was putting out 14 volts so all seemed fine. Check battery terminals and connections, all good. After two days lights go away and everything works fine. When lights and advisory are on, no cruise control, TMPS, lane departure, assisted steering, and anything else in the caution light display doesn't work. Good thing all other aspects of the car work fine. Unable to determine the issue with Why this happens. Seen on line others have had this same issue.
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On October 25, 2026, while traveling eastbound on US Highway 74 near Bryson City, North Carolina, my 2020 Kia Optima 2.4L GDI experienced a sudden and substantial loss of engine power while driving through mountainous terrain. The check-engine light began flashing, and the vehicle entered what appeared to be reduced-power or limp mode. The engine remained running, but acceleration and available engine power were significantly reduced. This created a serious safety concern due to the mountainous highway conditions...
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and surrounding traffic. I immediately pulled over at the first safe opportunity and did not continue driving the vehicle. My partner, who was approximately six months pregnant, was traveling with me. We remained stranded along the roadside for approximately three hours awaiting assistance, approximately 202 miles from home. Diagnostic trouble code P1326 was subsequently identified. There were no noticeable knocking, rattling, or ticking noises before or after the incident. The oil-pressure warning light did not illuminate. After the incident, the engine oil level was checked and found to be between the minimum and maximum dipstick markings. Timestamped photographs were taken during the towing process and at dealership drop-off. The vehicle was transported to a Kia dealership, where a bearing clearance test was performed and passed. The dealership also identified an external oil leak. However, the cause of the sudden loss of power and P1326 activation has not been conclusively established. I am reporting this incident because the unexpected and substantial loss of engine power while driving on a mountainous highway created a potentially dangerous situation. I am concerned that the condition could recur and pose a safety risk to other drivers and passengers.
ABS module electrical fault and fire. On the evening before the fire, the vehicle displayed ABS and ESC warning lights with diagnostic fault code C2402 (motor electrical fault). A continuous buzzing/vibrating noise came from under the hood near the engine compartment and persisted for several minutes even after the engine was shut off and key removed. Disconnecting the negative battery terminal immediately stopped the noise. The next morning, approximately 12 hours later, the vehicle caught fire in the engine bay...
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near the ABS module. The fire was extinguished manually. The vehicle was towed to a dealer. The ABS module and surrounding wiring show fire damage and are available for inspection. This defect poses a serious fire risk.
The contact owns a 2017 Chrysler Pacifica. The contact stated that while driving 52 MPH, the accelerator pedal was depressed; however, the vehicle failed to respond as intended. The contact stated that the vehicle decelerated even though the RPM was abnormally elevated. The failure mileage was approximately 129,650.
I am reporting two brake-system failures involving my 2025 Chevrolet Colorado. Both involved brake-fluid leakage from the left-rear brake caliper, including a recurrence after that caliper had already been replaced under warranty. On May 27, 2026, after the truck had just been driven home, we loaded it for a camping trip with our granddaughter. When we started the vehicle to leave, multiple warning lights appeared and the truck had very little braking capability. The Chevrolet dealer documented DTC C05B0 and...
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found that the driver's-side rear brake caliper had separated and was leaking brake fluid from the actuator side. The dealer replaced the left-rear caliper (GM part #13537065), added brake fluid, bled the system, and road-tested the vehicle. On October 19, 2026, approximately five months later, the truck displayed a "Service Parking Brake" warning. The dealer documented DTCs C060B and C2A21 and found brake fluid leaking through the left-rear caliper into the parking-brake actuator. The dealer again replaced the left-rear caliper with the same GM part #13537065 and also replaced the affected parking-brake actuator (GM part #13513581). I am concerned because the replacement caliper experienced another brake-fluid leak only five months after the first failure. The first incident resulted in very little braking capability, and we were fortunate it became apparent in our driveway rather than while driving. I am reporting this because of the serious safety risk of recurring brake-fluid leakage and diminished braking. I am aware NHTSA is investigating brake issues involving Chevrolet Colorado vehicles. I do not know whether these failures are related and am providing the dealer findings, DTCs and part numbers so NHTSA can make that determination.
The contact owns a 2021 Kia Seltos. The contact received notifications of NHTSA Campaign Number 21V259000 (Engine) and 25V099000 (Engine and Engine Cooling). The contact requested that the manufacturer and selling dealer buy back the vehicle due to recurring issues. While driving, the check engine warning light illuminated and started flashing. The contact pulled over and took the vehicle to a local dealer, where the engine was replaced. However, the failure reoccurred. While driving to the dealer, the vehicle...
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stalled while entering the dealer. The contact stated that even though the engine had been replaced, the recurring failure raised concerns about the safety and reliability of the vehicle. The failure mileage was approximately 70,000.
Abs module went bad and dealership won't fix the issue because stelantis no longer produces the part. Renders vehicle undriveable
**NHTSA Vehicle Safety Complaint** Vehicle: 2010 Ford Escape AWD VIN: [[redacted]] I am submitting this complaint because my vehicle has experienced serious safety problems involving both the steering system and the fuel system. The steering wheel has become extremely difficult to turn, making it unsafe to drive. In addition, the fuel system is leaking fuel, creating a potential fire hazard. My understanding is that this vehicle previously received recall repairs related to these systems. Despite those...
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repairs, the same dangerous conditions have returned. The vehicle has been undrivable for approximately two weeks because I believe it is unsafe to operate. I am requesting that NHTSA review whether the recall remedy was effective and whether these failures indicate that additional action is necessary to protect owners of affected vehicles. Because these defects involve steering control and a potential vehicle fire, I believe they present an unreasonable safety risk. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
UA80 transmission which has known issues failed. Dealer reports that while the transmission has exact symptoms of other UA80 transmission that are covered under recall, our serial number is not covered. Quoted $12454 to replace transmission that has known failure issues
• Noticed a rattle sound when taking off and when the car was preparing to stop; All timely maintenance were done at Headquarter Hyundai in [[redacted]]. Oil change was done by Tires Plus ([[redacted]]) end of [redacted] as the car was just over 100k miles, so no warranty. • [redacted], notice the rattle sound and notice the engine tremble when stopping. Returned to Tire Plus for diagnostic. [redacted] - TECH NOTED NO OIL ON DIPSTICK UPON ARRIVAL. CUSTOMER ADVISED TO DO OIL CHANGES MORE FREQUENTLY AT 3,000 MILE...
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INTERVALS; NO VISIBLE OIL LEAKS AT THIS TIME - INTERNAL ENGINE OIL CONSUMPTION. POTENTIAL PISTON RING OR ENGINE BEARING ISSUE CAUSING OIL CONSUMPTION. COMPUTERIZED ENGINE ANALYSIS. • My safety was at risk when the oil notification failed to occur, when the check engine notification failed to occur. These failures could have resulted in a complete shut down of the engine resulting in an immediate collision as I travel on the interstate daily for work. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
The contact owns a 2016 Kia Sorento. The contact stated that while driving 30 MPH, the vehicle made an abnormal cranking and popping sound. Upon researching the failure online, the contact learned that the vehicle was unsafe to drive. The contact associated the failure with NHTSA Campaign Number: 16V480000 (Suspension); however, the VIN was not included in the recall. The manufacturer was notified of the failure by phone. The failure mileage was approximately 93,000.
While riding my CFMOTO 675SS motorcycle, I experienced a sudden and unexpected acceleration while making a normal, gentle left turn at an intersection. As I attempted to slow down and apply the brakes, the engine unexpectedly increased in RPM, became noticeably louder, and the motorcycle surged forward despite my efforts to stop. I was unable to regain control or stop the motorcycle before colliding with another motorcycle traveling nearby. The collision resulted in injuries, including cuts and abrasions. Police...
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and emergency medical personnel responded to the scene, and I was transported by ambulance to the emergency room for evaluation. I am concerned about a possible throttle system malfunction, including a sticking throttle, binding throttle cable, or improper throttle return. The motorcycle's throttle, handlebars, and related controls are factory-original, with no aftermarket modifications. I cannot confirm whether the throttle failed to return to its closed position or whether there were previous warning signs. The motorcycle has not yet undergone a mechanical inspection, and the suspected issue has not been reproduced or evaluated by a dealership or the manufacturer. This incident created a serious safety hazard because the motorcycle appeared to continue delivering engine power while I was attempting to brake, resulting in a collision and injuries requiring emergency medical treatment. I am requesting that NHTSA document and investigate this incident as a potential unintended acceleration or throttle-control safety issue involving the CFMOTO 675SS.
EPS disable while driving, Service Stabilitrak message displayed, ESC/TCS disabled, EPS/TDM code C0545 [0x00] ABS/ESC/EBCM code U0420 [0x42]
The contact's son owns a 2025 Toyota Camry Hybrid. The contact and her son discovered razor-thin lines across the dashboard on the front passenger's side air bag. The contact and her son were concerned that the passenger's side air bag might not operate as intended due to the cracks on the dashboard. The vehicle was taken to the dealer and repaired under NHTSA Campaign Number: 26V511000 (Exterior Lighting, Seat Belts, Electrical System). The dealer determined that there were cracks in the dashboard and recommended...
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that the dashboard be replaced. The dealer submitted photos to the manufacturer, and the manufacturer responded that the dashboard was not covered under warranty and the cracks were due to other issues. The manufacturer was notified of the failure by phone. The failure mileage was approximately 5,500.
The contact owns a 2025 Jeep Gladiator equipped with Bridgestone Tires, Tire Line: Dueler HT, Tire Size: 245/75/R17, DOT Number: (N/A). The contact stated that while placing groceries inside the vehicle, the contact became aware that the driver's side rear tire had a large amount of tread missing, about the size of a half dollar. The contact was unaware of a cause for the failure. The dealer replaced the tire. The manufacturer was informed of the issue, and a claim had been opened. The failure mileage was 4,623.
The contact owns a 2025 Jeep Gladiator. The contact stated that while driving 70 MPH, the vehicle shook violently. The contact stated that after releasing the accelerator pedal the vehicle decelerated and stopped shaking. The failure had occurred twice. The vehicle was taken to the dealer to be diagnosed, and the contact was informed that the steering damper needed to be replaced. The vehicle was repaired. The manufacturer was informed of the failure and filed a report for the failure. The failure mileage was 4,623.
SYSTEM THAT FAILED: Powertrain / Continuously Variable Transmission (CVT) and differential/transaxle assembly. The component is currently intact and available for inspection at the diagnosing dealership. SAFETY RISK DESCRIPTION: While traveling on the highway, the vehicle suffered a physical jolt followed by a loud, sustained mechanical whirring noise. The powertrain immediately dropped into an un-commanded "limp mode" that capped the maximum speed to below 40 MPH. Upon attempting to accelerate out of active...
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highway traffic toward an exit ramp, the CVT slipped severely, causing the engine speed to fluctuate violently and rhythmically between 1,000 and 3,000 RPM while failing to transmit power to the wheels. This sudden, unexpected loss of propulsion on a highway created an immediate and severe collision hazard to the operator and surrounding motorists. DEALER CONFIRMATION & INSPECTION: The vehicle and its components have been officially inspected and diagnosed by an authorized manufacturer dealership. The dealership's shop foreman personally verified a total mechanical failure of the transaxle and differential assembly, noting that the component is physically stuck in a lower gear. No insurance or police inspections were conducted, as the safety event did not result in an accident. WARNINGS & PRIOR SYMPTOMS: There were absolutely no warning lamps, dashboard messages, or pre-failure symptoms prior to this specific incident. Onboard diagnostics failed to provide any prior warning to the operator. Furthermore, a subsequent computer diagnostic sweep by the dealership confirmed that zero electronic Diagnostic Trouble Codes were triggered or stored, confirming a sudden, purely physical mechanical breakdown. This vehicle represents a repeat structural failure of a manufacturer-supplied safety remedy. The current Toyota dealer-installed replacement from a previous JSD campaign remedy suffered the exact highway mechanical breakdown after only 43,000 miles of operation.
At approximately 28k miles my dealer, during routine maintenance, noticed the front driveshaft boot had torn and was weeping grease. They replaced this driveshaft under warranty (5 year, 60k miles). Fast forward to 114k miles and after a throttle body failure and requesting an oil change the dealer noticed that the front driveshaft boot had torn and all the grease was out with some rust present. This time the manufacturer would not honor any warranty claim due to exceeding the mileage. Much of my driving is...
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highway and I would have to say that the boot for the driveshaft is not designed appropriately for the application. This is a known issue with the vehicle and any dealer is aware to look for this issue. My vehicle is not modified in any way to affect the driveshaft. Should the driveshaft fail while driving at highway speeds could result in serious injury to the occupants but also other vehicles that may be nearby.
This is the report copy and reference number for 911. I have contacted Kia multiple times during lunch breaks sent emails, and they still are not responding even after photos were sent to them. They told me in 5 days I would here back form them an still Ive heard nothing.Reference # [redacted] The fire dep "# INCIDENT REPORT Reference #[redacted] **Vehicle Smoke Incident and 911 Emergency Call** **Date of Incident:** Monday, [redacted] **Time of 911 Call:** 10:11 a.m. **Location:** Kaiser Permanente...
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Riverside Medical Center [[redacted]] [[redacted]] **Vehicle Involved:** 2015 Kia Forte ### Description of Incident On Monday, [redacted], at approximately 10:11 a.m., a 911 emergency call was placed regarding a 2015 Kia Forte that was experiencing smoke coming from underneath the hood in the engine compartment while at Kaiser Permanente Riverside Medical Center, located at [[redacted]]. Due to the smoke coming from the engine compartment, the vehicle had to be parked in a red-designated area. The situation raised concerns about a potential vehicle fire and the safety of operating the vehicle. The fire department responded to the incident and inspected the area underneath the hood. Following the inspection, I was advised not to drive the vehicle because it was smoking and there appeared to be oil that had leaked, dripped, or spread across various components inside the engine compartment. I was further advised that driving the vehicle could create a serious safety hazard and could potentially result in the vehicle catching fire until it could be properly inspected and evaluated by a qualified automotive professional. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
For the past year i have been dealing with the 4wd fault where a lost connection to the module and im not the only one i belong to a group on facebook where they are always asking the same questions about who has the same problem and i feel like this should of been recalled a long time ago