2020 Honda Civic Si problems

“The headlight electrical wiring on my 2020 Honda Civic Sport sedan, which has 97,000 miles, has experienced deterioration, with the wire insulation disintegrating on one headlight. The Honda dealership inspected the vehicle and confirmed that the wiring insulation is breaking down naturally, not as a result of rodent damage or outside interference. The damaged wiring and headlight connector is available for inspection upon request. This creates a potential safety hazard because deteriorating wire insulation and the blown connector can expose electrical conductors, cause electrical shorts, interrupt headlight operation, and potentially create a fire risk. Headlights are critical for nighttime visibility and ensuring other drivers can see my vehicle, so any loss of headlight function could put me and other motorists at risk. The problem was confirmed by an authorized Honda dealership, which provided an estimated repair cost of approximately $360. The vehicle has been inspected by Honda dealership personnel, who identified the deteriorating wiring and blown connector, recommended repair. There were no known warning lights or dashboard messages before the issue was…”

“My 2020 Honda Civic Sport Hatchback, 1.5L turbo, 6-speed manual, has experienced repeat premature clutch-system failure. The original clutch/flywheel assembly failed at about 34,000 miles. Honda repaired it under TSB 22-017, which addresses supplier production issues causing premature friction-disc wear. Honda advised that updated components were installed. Significant clutch slipping began again in early June 2026. At about 61,500 total miles, only about 27,500 miles after the first repair, transmission removal and clutch-component replacement were required. The onset date entered is approximate. The dealer documented: "Clutch shows sign of Heat Buildup on flywheel and pressure plate with debris inside bellhousing on release bearing. Recommend replacing Pressure plate, Friction Disc, and release bearing." Inspection photos show substantial heat discoloration of the pressure plate/flywheel and heat/glazing of the friction disc. The servicing Honda dealer did not identify driver abuse or improper clutch operation as the cause. No significant fluid contamination or catastrophic transmission damage was identified to me. I have substantial manual-transmission…”

“The wheel becomes sticky/ jerky when driving at speeds over 40 mph and causes overcorrecting. It is worse around bends and makes holding the wheel straight difficult. The stickness is consistently present when on the highways making it incredibly dangerous to drive at these higher speeds as I am constantly having to overcorrect the wheel. The dealer and an independent service center have both said they have been able to reproduce the sticky steering and that it is the steering rack. There is not any warning on my dashboard to indicate this part is failing which is also problematic as I should be made aware before my steering wheel completely freezes when driving at high speeds.”

“The contact owns a 2020 Honda Civic. The contact stated that while driving 60 MPH, a bobcat crossed the road, and the bobcat was struck by the vehicle. The contact stated that there was extensive front-end damage and undercarriage damage to the vehicle. The driver’s and passenger’s side air bags did not deploy. The contact was unsure whether there was a warning light illuminated. The contact was not injured. The vehicle was driven to a gas station, inspected, and then driven back to the residence. However, the vehicle failed to accelerate above 40 MPH. The vehicle was taken to a collision center for repair. The contact received a call from the collision center and was informed that all the air bags in the vehicle had been removed and that the wires were cut and twisted together, which led the sensors to believe the air bags were still connected. The vehicle was not repaired due to the cost. The manufacturer was not notified of the failure. The failure mileage was approximately 78,000.”

“on 7-28-26 After filling my vehicle with gas at the next red light, all lights on dashboard went on flickering warning (Christmas tree effect). on 7-29-26 After researching online Roadside came out and did Battery and alternator test that passed. I did hard reboot from instructions I found online and after several attempts the lights cleared twice, the morning of 7-30-26 when leaving for work the flickering lights came back on. Vehicle had a slight tremble but cleared after a few seconds while vehicle warmed up. I went to get the battery checked at the shop and it passed also had air filter changed. Lights still on, car is running fine, but I feel unsafe to drive and have an appt at the dealer for a diagnosis check on 7-31-26.”

“On 04/2025 the car was driving fine with no warnings or indication of a problem. Turned my car on at a parking lot and as I was driving away the car suddenly stopped, all the warning lights started coming on. I was able to turn it back on and drove it to a nearby dealer. I am the second owner of the car and Honda dealer said the fuel pump had already been replaced due to a recall. This time they said it was a secondary fuel pump that was the problem and the very expensive repair was done. Fast forward to 2/2026 and the same thing happened. This time it was scarier as it shut off as a car was backing up from a parking spot. Fortunately, the driver saw the car and was able to stop before running into me. The car failed to start, and I had to get it towed. Could not tow it to the dealer since it was late in the evening. The next morning, the car did start, but all the warnings continued to flash on the dash. The car is being towed to the dealer where the "repair" was done. All this happening within a year of repairs. This should be a recall and Honda should refund my initial repairs as this is happening to other drivers as well.”