Forward collision warning goes off or the camera drops out

What got replaced

Owners who name the part that was replaced mention the radar sensor (14 reports), the forward camera (4 reports) and the software (3 reports).

Recalls and investigations

No recall on collision avoidance covers the 2018 model year as of Sep 19, 2026.

What owners paid

5 of the 92 reports quote a price. Each dot is one quote. The middle half runs $707 to $1,407.

When it happens

The middle half of failures fell between 26,600 and 59,000 miles, from the 12 reports that gave a mileage.

What owners wrote

“The warning lights for many areas has come on without warning. The car runs and drives fine. Took it to Honda. They want between 500 - 2500 to resolve the issue and replace the front radar. This appears to be a consistent problem for these 2018 Hondas. I already had to have the fuel injectors replaced at 48k miles. Another common Honda problem. Please help us as consumers”

Filed Nov 5, 2025 · 48,000 miles

“Well to start I had to replace my head gasket already last winter at 59K miles and for awhile now I had warning lights on my dash for CMBS system failure and cruise control/steering wheel controls don’t work besides the ones for music. No lane assist, none of those safety features work at all and haven’t for awhile”

Filed Jul 13, 2025 · 59,000 miles

“My car 40,000 miles and all waring lights are coming on the dash such check engine,lane acc,steering,brake ,parking , took to Honda dealer they say nothing was wrong now there saying it the fuel inject and it will be 1,250 to fix i been look it up and see there's a lot of other ppl with the same problem but no recall for the 2018 Honda Accord sport”

Filed May 10, 2023 · 40,000 miles

“Engine misfire causing limp mode. Dealer says head gasket blown. When misfire happens, all driver safety system warnings display. Car goes into limp mode which is dangerous if on high speed road. First appeared Oct-10-2022 with 59k miles on vehicle. Second appeared Nov-29-2022 with 60,300 miles on vehicle. Honda refuses to cover expense of replaceing head gasket and determining root cause.”

Filed Jan 1, 2023 · 59,000 miles

Other problems on this car

• Engine overheats or leaks coolant 342 reports
• Check engine light or misfire 277 reports
• Brakes grind, pulse or wear early 255 reports
• Engine stalls or loses power while driving 247 reports
• Brakes on its own (automatic emergency braking) 227 reports
• Engine failure, knocking or rod bearing 164 reports
• Fuel pump failure 153 reports
• Multiple warning lights come on at once 121 reports
• Infotainment, screen or backup camera fails 109 reports
• Adaptive cruise or lane keeping misbehaves 103 reports
• Turbo failure or loss of boost 98 reports
• Airbag warning light or recall 58 reports
• A/C blows warm or the compressor fails 55 reports
• Battery dies or the car will not start 42 reports
• Loses power when accelerating 40 reports
• Seat belt or seat problems 35 reports
• Paint peels or body rusts 28 reports
• Traction control or StabiliTrak light comes on 26 reports