The contact owns a 2020 Honda Odyssey. The contact stated that the vehicle was leaking water from the roof seam near the driver’s side rear of the vehicle. The leak caused water to form a puddle in the trunk tray compartment of the vehicle. The contact had taken the vehicle to the dealer who resealed the roof seam. The manufacturer was made aware of the failure. The approximate failure mileage…
2020 Honda Odyssey body problems
severe 15 complaints filed with NHTSA · avg repair $1,500 · see body across all vehicles →
Complaints
15
Recalls
0
Avg fix
$1,500
2injuries
When does it fail?
Of the 15 body complaints filed for the 2020 Honda Odyssey, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 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
No new NHTSA body complaint has been filed on this vehicle in over 3 years — the issue may be aging out of the active population.
The failure pattern owners describe
Buyer takeaway: The 2020 Odyssey has serious durability problems with power liftgates and sliding doors that can fail within 3–5 years and 55,000–75,000 miles, with repairs costing $1,200+. More concerning: multiple owners report the power liftgate and doors closing on occupants with force, creating real injury risk—especially around children—and water intrusion from the roof and tailgate can knock out ADAS and other safety systems unexpectedly.
Owners describe two major safety issues with the 2020 Odyssey's body hardware. The power liftgate opens and closes erratically, sometimes cycling on its own and refusing to stop when it meets resistance—including people. Multiple owners report being struck on the head or arm by the closing gate; one feared serious injury to children. Repairs typically involve replacing power struts or the liftgate power unit at $1,200 or more, often recurring within a few years.
Sliding doors fail in multiple ways: they reverse direction when closing (acting as if an obstacle exists), open unexpectedly while the vehicle is in gear, or stick closed entirely. One owner diagnosed with a bad pinch sensor, another with torn door bushings requiring motor and control arm replacement. A TSB exists for 2018–2019 models, but the issue persists on the 2020.
Water leaks through the roof seam and tailgate compartment also cause major electrical damage. Owners report ADAS systems, power steering, lighting, and start/stop function all failing at once—requiring a "leak doctor" and module replacement. One roof seam was leaking at under 24,000 miles. The moonroof on at least one vehicle exploded spontaneously at highway speed with no impact.
Same Honda Odyssey body reports on nearby years: 2018 · 2019
Failure modes owners describe
Power liftgate uncontrolled closing
Power liftgate opens but closes unexpectedly and abruptly, cycling open and shut on its own. Fails to stop when encountering moderate resistance or obstacles, only responding to manual button press. Owners report the door closing on them with force sufficient to cause injury.
When: Multiple occurrences throughout ownership; occurs more frequently in warm weather than cold; one case at 13,000 miles initial diagnosis, recurring issues reported
Symptoms owners cite: Liftgate opens fully then dips down and reopens before closing rapidly; Door does not stop when meeting resistance; Door closes on occupants with force; Intermittent to frequent depending on temperature
Codes mentioned: Lift Gate Open warning message
Repairs/costs cited: Owners cite spring assembly defect; mechanics recommend replacement of power struts ($1,200+ reported); fractured lift gate and striker plate replacement mentioned in one case; liftgate power unit replacement cited in another
Recalls/TSBs owners mention: Service bulletin 22-018 referenced by owner; manufacturer referred contacts to dealers; one contact received no assistance after repeated repairs
Sliding door pinch sensor malfunction
Driver-side and passenger-side sliding doors fail to open or close as designed. Intermittent failures gradually become more frequent over time. Pinch sensor identified as the failed component in at least one dealer diagnosis.
When: Approximately 55,000 miles; failure first noted 2 years prior to report but became progressively worse
Symptoms owners cite: Doors not opening or closing as designed; Intermittent operation becoming more frequent; Safety concern regarding doors remaining open unexpectedly
Repairs/costs cited: Pinch sensor replacement recommended but not completed by owner; door motor and control arm replacement cited in another case due to torn inner bushings
Recalls/TSBs owners mention: Manufacturer referred contact to dealer; no recall or warranty action documented
Sliding door reverses during closing
Power sliding doors reverse direction intermittently when closing, behaving as if detecting an obstruction when none is present. Occurs on both doors. Owners must bypass safety system and force door closed manually. Honda TSB issued for 2018/2019 models but issue persists on 2020.
When: Intermittent, timeline not specified
Symptoms owners cite: Door reverses direction during closing cycle; Acts as if object is in the way; Occurs on both sliding doors intermittently; Safety bypass system required to force door closed
Repairs/costs cited: Dealership unable to diagnose or replicate issue
Recalls/TSBs owners mention: TSB MC-10171536-0001 issued for 2018 and 2019 models; issue reported as ongoing problem with Honda vans
Sliding doors open during driving
Rear sliding doors open unexpectedly after vehicle is placed in drive and emergency brake is released, while foot brake is engaged and vehicle is stationary. Intermittent occurrence.
When: Intermittent; reported occurring in driveway, parking lots, and along busy streets
Symptoms owners cite: Doors open when vehicle placed in drive; Occurs after emergency brake released; Vehicle not moving but foot brake engaged; Intermittent failure
Recalls/TSBs owners mention: Problem reported to dealer service; no resolution documented
Sliding door fails to open
Driver-side rear sliding door remains closed and will not open when automatic release button is pressed. Owner expresses concern about entrapment risk in emergency situations and uncertainty about ability to close door if it does open.
When: Not specified
Symptoms owners cite: Door will not open despite pressing automatic release button; Door stuck in closed position
Water intrusion causing electrical failures
Water leaks from roof seams and tailgate compartments cause cascading electrical system failures. Affects ADAS module, power steering, lighting, battery drain, and vehicle start/stop function. Water enters through rear tailgate area and roof seams.
When: One case at 23,900 miles; timing varies
Symptoms owners cite: Water leaks from roof seam near driver-side rear; Water pooling in trunk tray compartment; ADAS systems disabled; Power steering system failures; Dashboard warning lights illuminated; Battery drained; Start/stop button inoperative; Interior dash lights flickering; Headlight operation uncertain
Codes mentioned: ADAS disabled alert, Auto high beams disabled
Repairs/costs cited: Dealership hired 'leak doctor'; rear tailgate module replacement; roof seam resealing; tailgate power unit replacement due to water damage
Recalls/TSBs owners mention: Manufacturer made aware; dealer performed repairs
Moonroof spontaneous failure
Glass moonroof suddenly exploded while vehicle was being driven on surface street at 35 MPH in high heat conditions (100+ degrees). No impact or object observed striking the roof. Shade was closed at time of failure.
When: On 100+ degree afternoon at 35 MPH
Symptoms owners cite: Glass roof suddenly exploded; No visible impact or cause; Shade inoperable after failure; Air pressure effects on shade creating hazard
Synthesized from 15 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 1 most recent
Had body trouble with your 2020 Honda Odyssey?
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 body problem on the 2020 Honda Odyssey?
It's a meaningful issue. 15 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $1,500.
At what mileage does the body typically fail?
Based on the 15 complaints filed, body issues most often appear around 25,500 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $1,500 for body 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 body?
No active recalls currently cover body 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/Odyssey.
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.