Table 1 shows one common vehicle speed control related problems of the 2024 Honda Accord.
| Problem Category | Number of Problems |
|---|---|
| Vehicle Speed Control problems |
Vehicle was taken to Honda of round rock for the integrated control module (icm) recall (NHTSA recall 25v785). The dealership performed partial service but stated a 'gateway' part is on backorder. Since this service, the vehicle has been returned to us with a non-functional speedometer, non-functional speed sensor, no a/c/defrost, and multiple disabled safety sensors. Driving without a speedometer is a severe safety hazard. The manufacturer has provided no timeline for the part and refused a loaner, leaving us with an un-roadworthy vehicle as a direct result of a recall repair attempt.
While engaging adaptive cruise control on highway speed, all the sudden I lost the sight of the car in front of me on the display, almost causing a collision, I also lost the correct waze display. After I stopped the car, shut off engine, then restart the car, re-engaging adaptive cruise control, both problems disappeared. This is an intermittent problem, it should be ASAP investigated then recalled due to huge safety concern !.
Component/system: collision mitigation braking system (cmbs) or related software. Vehicle available for inspection. Safety risk: vehicle brakes or decelerates unexpectedly during normal driving, risking rear-end collisions. Most recent incident on August 23, 2025, required override by pressing accelerator and shifting to neutral in traffic. Reproduction: dealer could not replicate issue during may 16, 2025 visit. No diagnostic codes found. Radar and braking systems reported as “operating normally. ” a second evaluation occurred after September 5, 2025, with no resolution; issue persists. Inspection: inspected by Honda dealership twice—on may 16, 2025 (invoice #488382) and again after September 5, 2025. No third-party inspections. Symptoms: braking occurs in sport, normal, and econ modes. Happens when accelerating from stop or easing off accelerator. Brake light activates falsely. No warning lamps or messages prior to failure. Issue has occurred 10+ times over the past year. Related software issues: radio failure (resolved via software update). Clock shows incorrect time. Apple carplay fails to connect until restart. Navigation compass shows concentric circles.
Purchased new delivery date: August 13, 2024 this is an ongoing issue, car indicates radar needs cleaning. Each time I pull off road to check radar no such cleaning is needed, it's clean. Once the car indicates that the radar needs cleaning I loose multiple functions, cruise control, lane assist etc. Attached picture.
While driving the vehicle, usually while passing another vehicle, it slams on the brakes suddenly and decelerates rapidly. I suspect it has something to do with how it reads it's surroundings. When it happens, which is without warning, the brake light comes on the dash. It has happened multiple times but recently it was a close call with another vehicle behind me on the interstate. Which is why I'm taking the time to report this. I have not had it inspected.
2023 and 2024 hybrid Accord vehicles liberally activate brake lights while cruise control is active under even the slightest level of deceleration creating an appearance of a “brake check” when there is no brake check. A traditional car’s cruise control, for instance when set to 60mph allows you to depress the accelerator, speed up to 65mph to pass a vehicle, and then release the accelerator. The car then slows down naturally and begins controlling at 60mph. The deceleration is gentle and the brakes are not applied and the brake lights do not illuminate. The Accord hybrid under the same conditions will apply some level of regeneration to slow the vehicle and also activate the brake light to vehicles behind. While it’s understandable that the brake light would be illuminated if substantial regeneration is being applied, the brake light illuminates under even the slightest deceleration creating an unnecessary hazard. This can occur if the car is slowing down from only 2mph above the set point. Brake lights illuminate although the amount of regeneration being applied is negligible. It can also happen coming over the crest of a hill on a gentle downslope even with no prior depression of the accelerator. This is a serious deficiency and incorrect behavior. The brake lights should only illuminate under substantial regeneration or application of the brake pedal.