Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2021 Accords, 2019-2017 Civics, 2017-2021 CR-Vs, 2018-2021 Odysseys & 2018-2021 Pilots with a customer complaint of an unexpected CMBS operation or a brake application. To better understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to you attempting a repair of any kind.
full bulletin at NHTSA ↗2020 Honda Accord brakes problems
moderate Owners of the 2020 Honda Accord have filed 34 NHTSA complaints about the brakes, typically surfacing around 10,000 miles at roughly $450 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See brakes across all vehicles →
Failure mileage
Complaints
34
Recalls
0
Avg fix
$450
| Model year | brakes complaints |
|---|---|
| 2016 Accord | 15 |
| 2017 Accord | 17 |
| 2018 Accord | 149 |
| 2019 Accord | 53 |
| 2020 Accord (this page) | 34 |
| 2021 Accord | 17 |
| 2022 Accord | 4 |
When does it fail?
Of the 34 brakes complaints filed for the 2020 Honda Accord, here's the actual mileage breakdown — failures cluster heaviest at 50,000-75,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
Owners have filed 34 brakes complaints with NHTSA against this vehicle, but no formal recall covers the issue — the federal record reflects what manufacturers have admitted, not everything owners are reporting.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering brakes on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2021 Accords, 2019-2017 Civics, 2017-2021 CR-Vs, 2018-2021 Odysseys & 2018-2021 Pilots with a customer complaint of an unexpected CMBS operation or a brake application. To better understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to you attempting a repair of any kind.
full bulletin at NHTSA ↗Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2021 Accords, 2019-2017 Civics, 2017-2021 CR-Vs, 2018-2021 Odysseys & 2018-2021 Pilots with a customer complaint of an unexpected CMBS operation or a brake application. To better understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to you attempting a repair of any kind.
full bulletin at NHTSA ↗Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2021 Accords, 2019-2017 Civics, 2017-2021 CR-Vs, 2018-2021 Odysseys & 2018-2021 Pilots with a customer complaint of an unexpected CMBS operation or a brake application. To better understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to you attempting a repair of any kind.
full bulletin at NHTSA ↗Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2021 Accords, 2019-2017 Civics, 2017-2021 CR-Vs, 2018-2021 Odysseys & 2018-2021 Pilots with a customer complaint of an unexpected CMBS operation or a brake application. To better understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to you attempting a repair of any kind.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
Owners of the 2020 Accord report two major brake families of issues:
Phantom braking: The automatic emergency braking system engages hard with no obstacle ahead, mostly on highways at 40–70 mph. It happens dozens of times for some owners, nearly causing rear-end collisions. The brake warning light typically flashes. Dealers cannot replicate or diagnose the problem in most cases; Honda has not issued a recall or service campaign despite multiple owner complaints referencing NHTSA Action EA24002.
Premature rotor wear and vibration: Rotors warp or require machining as early as 2,600 to 22,600 miles. Owners report shuddering during braking, especially at higher speeds. After Honda machines or replaces rotors under warranty, the shaking returns within 2,000 miles to a year. Rear brakes also squeal loudly, sometimes within days of purchase. Dealers acknowledge the squealing is "common" but say no service campaign exists. When owners return for a second rotor repair, Honda denies warranty coverage, calling it normal wear.
Additional complaints include excessive rear brake pad wear (three replacements by 79,000 miles in one case), hard brake pedals requiring excessive pressure, and brake booster faults with intermittent warning lights. No dealer has successfully diagnosed or resolved these issues.
Same Honda Accord brakes reports on nearby years: 2017 · 2018 · 2019 · 2021
Failure modes owners describe
Unintended automatic emergency braking activation
The automatic emergency braking (AEB) / collision mitigation braking system engages abruptly without driver input or any obstacle, hazard, or vehicle present. Occurs on highways, city streets, and rural roads at varying speeds (40–70 mph). Brake warning light typically illuminates. Events last 4+ seconds and can nearly cause rear-end collisions when traffic is present behind the vehicle.
When: Throughout ownership; reported as early as first month and recurring through 79,000+ miles; most commonly on highways
Symptoms owners cite: Sudden, violent brake application with no driver input; Brake warning light or 'BRAKE' light flashing on dashboard; Vehicle decelerates abruptly, sometimes to near or complete stop; No visible obstacle or vehicle in front of vehicle; Seatbelt engagement from sudden deceleration; Nearly causes rear-end collisions when traffic present
Codes mentioned: NHTSA Action EA24002 (Forward Collision Avoidance)
Repairs/costs cited: Dealers unable to diagnose or replicate issue in most cases; some advised cleaning sensors with no lasting resolution; no recalls or service campaigns issued despite acknowledgment of commonality
Recalls/TSBs owners mention: Honda referred owners to dealers; in some cases repair not covered under recall; no service campaign issued despite repeated complaints
Brake shuddering and vibration during braking
Vehicle shakes, vibrates, or shudders when brake pedal is depressed, particularly at speeds above 50 mph or during harder braking. Issue manifests early in ownership and recurs after rotor machining or replacement. Affects both low-speed and high-speed braking.
When: Within first month of ownership through ~22,600 miles; recurs after repair
Symptoms owners cite: Vehicle shaking or vibration during braking; Shuddering sensation when stopping from 50+ mph; Worse at higher speeds or harder braking; Sensation described as 'shuttering' by multiple owners; No warning light in most cases
Repairs/costs cited: Honda dealers machined rotors at ~8,000–10,835 miles; some replaced front and rear rotors and pads; issue reoccurred within 2,000 miles in at least one case; symptom returned within 8 months to 1 year in others
Recalls/TSBs owners mention: Initial rotor shaving/machining provided temporary relief (8–12 months); Honda offered rotor replacement under warranty in some cases but denied warranty coverage for recurrence as normal wear
Premature rotor wear and warping
Rotors warp or wear excessively at very low mileage (2,600–22,600 miles), requiring resurfacing or replacement within the first year or service period. Some owners report rotors failing a second time shortly after the first repair.
When: 2,600–22,600 miles on new vehicles; recurrence within 2,000–8,000 miles of initial repair
Symptoms owners cite: Grinding noise when braking; Increased braking distance; Shaking during braking; Squealing or screeching noise from rear brakes
Repairs/costs cited: Rotors turned/resurfaced at 8,000–10,835 miles; replacements made at 22,600 miles; owners report returning for second rotor service within 2,000–8,000 miles of first repair
Recalls/TSBs owners mention: Rotors replaced under warranty initially; Honda denied second replacement as normal wear, claiming premature wear is not a covered defect
Squealing and screeching noise from rear brakes
Rear brakes emit squealing, screeching, or metal-scrubbing sounds within days of purchase or after rotors are replaced. Occurs during both forward and reverse operation.
When: Within days of purchase or immediately after rotor service; at 30,000 miles in one case
Symptoms owners cite: High-pitched squealing or screeching from rear brakes; Metal scrubbing sound when braking; Noise occurs during forward and reverse operation; Occurs both during initial ownership and after dealer service
Repairs/costs cited: Dealers unable to determine cause in multiple cases; one dealer acknowledged this as a 'common issue' but stated no service campaign was available
Recalls/TSBs owners mention: Dealer stated the issue is common but no service campaign has been issued to address it
Brake booster failure
Brake booster becomes faulty, causing intermittent 'Service Brakes' warning message on dashboard. Issue persists across multiple dealer visits without diagnosis until booster replacement is eventually identified as necessary.
When: 10,000 miles
Symptoms owners cite: Intermittent 'Service Brakes' warning message on dashboard; Warning appears and disappears without driver action
Repairs/costs cited: Booster identified as faulty and requiring replacement; vehicle was not repaired despite diagnosis
Recalls/TSBs owners mention: Manufacturer notified but no assistance offered
Brake pedal unresponsiveness and excessive pressure required
Brake pedal feels harder than normal, requires excessive pressure to engage, and does not respond immediately when depressed. Pedal engagement feels layered or staged rather than smooth. Vehicle shakes significantly during emergency stops.
When: Approximately right after purchase
Symptoms owners cite: Brake pedal feels hard and requires excessive pressure; Multiple layers or resistance when applying brakes; Delayed brake response; Strong, jerky brake response causing vehicle shaking; Vehicle lurches or surges forward before brakes engage
Automatic braking with transmission shift to neutral
Brakes engage independently while transmission simultaneously shifts into neutral, with no driver input. Brake warning light illuminates. Occurs at highway speeds with no surrounding traffic.
When: Approximately 59,660 miles
Symptoms owners cite: Brakes engage without driver input; Transmission shifts to neutral simultaneously; 'Service Brakes' warning light illuminates; No surrounding traffic or obstacles present
Repairs/costs cited: Dealer advised cleaning sensors; owner declined and repair not completed
Recalls/TSBs owners mention: Repair not covered under recall; no diagnosis or repair performed
Excessive rear brake pad wear
Rear brake pads wear excessively and require replacement multiple times within the vehicle's lifespan. One owner reported three rear brake pad replacements by 79,000 miles while front pads remained unchanged. Another reported rear brakes fading at only 2,600 miles, suggesting accelerated wear from the stability or braking system.
When: 2,600–79,000 miles; pattern of recurring replacements
Symptoms owners cite: Rapid rear brake pad wear requiring multiple replacements; Front brakes wear normally while rears wear excessively; Rear brake fade at very low mileage
Repairs/costs cited: Owners report rear brake pad replacement multiple times; one owner suspected overly aggressive stability feature causing accelerated wear
Synthesized from 34 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 2 most recent
While I was driving on the highway, the brakes of my car suddenly were violently activated and I had not touched the brakes. If there had been a car behind me, it would have been a major rear end collision. It was over quickly and I accelerated back to the normal speed. I talked to the Honda Service Mgr where I purchased the car and he said he was unaware of the problem although I see that…
The contact owns a 2020 Honda Accord. The contact stated that while driving at an undisclosed speed, the brakes independently activated, and the transmission independently shifted into neutral. The contact stated that there were no other vehicles nearby. The brake warning light illuminated. The dealer was made aware of the failure. The contact was advised to clean off the sensors and see if the…
Had brakes trouble with your 2020 Honda Accord?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the brakes problem on the 2020 Honda Accord?
It's a documented issue but not catastrophic. 34 complaints have been filed. Repairs average $450 and most owners catch it before it causes a breakdown.
At what mileage does the brakes typically fail?
Across the 9 complaints that reported odometer mileage, most brakes failures cluster between 7,200 and 30,000 miles, with the median around 10,000. A quarter of owners report trouble before 7,200; a quarter make it past 30,000. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $450 for brakes repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to brakes?
No active recalls currently cover brakes issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2020/Honda/Accord.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.