Vehicle was driving normally down the highway then proceeded to shutdown without warning. Suddenly all of the trouble Lights appeared indicatinging engine, transmission, hill assist etc cut on without warning. The van would not drive above 55 mph when turned back on.
2019 Honda Odyssey powertrain problems
moderate 118 complaints filed with NHTSA · avg repair $2,500 · see powertrain across all vehicles →
Failure mileage
Complaints
118
Recalls
0
Avg fix
$2,500
What stands out
Owners have filed 118 powertrain 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.
Among the 21 model years of Honda Odyssey in our records for powertrain problems, this one ranks #2 by owner-complaint volume.
The failure pattern owners describe
Buyer takeaway: The 2019 Honda Odyssey powertrain, particularly the 9-speed ZF transmission, has a documented defect causing rough shifting, loss of power, unintended shifts into Neutral/Park, and transmission failure at unexpectedly low mileage (75k–133k miles). Honda has issued recalls and TSBs for some trim levels but refuses goodwill repairs for out-of-warranty vehicles, even when failure matches known defect patterns; buying one is a financial and safety gamble.
The 2019 Odyssey's 9-speed ZF transmission fails to perform as a modern vehicle should. Owners report harsh, delayed shifting with jerking and clunking from early ownership. The transmission hesitates when accelerating from a stop—a 1–2 second gap between foot on pedal and actual motion—creating dangerous situations at intersections and highway merges. Many describe the van lurching forward suddenly, squealing tires, or stalling during routine acceleration. Some vehicles shift unexpectedly into Neutral or Park while moving at highway speeds, cutting all power and leaving occupants stranded. Loss of power during acceleration is commonplace—vehicles slow dangerously then suddenly surge. Grinding and metal clanking noises during shifts signal internal damage. Downshift logic on hills is broken; cruise control accelerates the van uncontrollably on grades, forcing drivers to override with heavy braking. Dealerships acknowledge the issue is "brought to their attention often" and known to Honda through service bulletins, yet offer only temporary software resets that don't stick. Transmission replacement costs $5,700–$8,000 and doesn't guarantee the problem won't return—several owners report identical symptoms in replacement units. Honda declines assistance once warranty expires, despite the failure pattern being anything but normal wear.
Same Honda Odyssey powertrain reports on nearby years: 2016 · 2018 · 2020 · 2022
Failure modes owners describe
Rough, Delayed, and Erratic Shifting
9-speed ZF transmission exhibits harsh upshifts and downshifts, delayed gear engagement, jerking, clunking, and lurching. Transmission hesitates to shift, especially at lower speeds or after stops. Shift response unpredictable and worsens over time.
When: From early ownership; progressively worsens. Commonly reported between 10k–102k miles.
Symptoms owners cite: Harsh, rough upshifts and downshifts with clunking/jerking; Delayed shift engagement; Hesitation after complete stop before moving forward; Sudden lurching or tire squeal on acceleration from stop; Intermittent erratic shifting not matching engine/vehicle speed; Jolting and surging motion; Vehicle 'clunks' back into gear after disengaging
Codes mentioned: P0841 (Transmission fluid pressure sensor/switch A circuit), P0844 (Dog Clutch malfunction), P0170A (Dog Clutch Abnormal operation), P0810 (Transmission control system)
Repairs/costs cited: Software updates/firmware upgrades attempted but do not resolve issue. Transmission fluid replacement ineffective. Full transmission replacement required; some owners report same symptoms persist even after replacement transmission installed. One owner cited parts cost $5,736.73 plus labor $2,385.
Recalls/TSBs owners mention: Honda issued Technical Service Bulletins (TSBs) acknowledging issue to dealers but no permanent fix documented. Class action litigation ongoing (Browning et al. v. American Honda Motor Co., Inc.; other cases cited). Transmission Control Unit (TCU) recall for 2018–2019 Odyssey Touring/Elite models. Honda denied goodwill assistance claims citing vehicle outside powertrain warranty despite known defect pattern.
Sudden Loss of Power and Hesitation on Acceleration
Engine loses power when accelerator pressed, causing 1–2 second delay before vehicle responds. Vehicle may stall or feel as if in neutral despite being in Drive. Can occur at any speed, including highway merges and intersections, creating safety hazard.
When: Throughout ownership, from low mileage onwards. Six reported incidents within 20,000 miles in one case; some ongoing for years.
Symptoms owners cite: 1–2 second hesitation between pedal depression and acceleration; Complete loss of power/no throttle response despite foot on gas; Vehicle feels as if in neutral while in Drive; Hesitation during highway merges and intersection crossings; Sudden stalling when accelerating from yield or stop; Unintended acceleration (vehicle speeds up without driver input) after mid-range gear change; Vehicle slows significantly then suddenly surges forward
Codes mentioned: Transmission System Problem (displayed warning), Emissions System Problem (displayed warning), P0810
Repairs/costs cited: Dealership software updates/TCU reprogramming attempted with minimal or no effect. Owners report issues persist or recur within weeks/months. Multiple dealers unable or unwilling to replicate issue for diagnosis.
Recalls/TSBs owners mention: TCU recall issued for Touring/Elite trim 2018–2019 models but not all trims. Honda service bulletins acknowledge issue but offer only temporary software resets. Honda corporate has declined assistance citing vehicle age/mileage outside warranty period despite defect pattern.
Unintended Transmission Shifts into Neutral or Park While Driving
Vehicle unexpectedly shifts into Neutral or Park while moving, causing loss of all power and propulsion. Transmission will not engage back into Drive immediately. Occurs at highway speeds, city streets, and parking lots without driver input.
When: Reported at varying mileages: 5k–133k miles; some within first year of ownership.
Symptoms owners cite: Sudden shift into Neutral while driving at 25–70 mph; Sudden shift into Park while driving at 25–62 mph; Loss of all motive power; Unable to shift back into Drive or Reverse; Vehicle locked in Neutral or Park; 'Transmission System Problem' warning message displayed; 'Stop driving when safe' message displayed; 'Emission System Problem' message displayed; Vehicle must be restarted to regain drive; Transmission Control Unit messages and Adaptive Cruise/Lane Keep Assist messages may appear simultaneously
Codes mentioned: P0810 (Transmission Control Unit), Transmission System Problem warning, Emissions System Problem warning, Adaptive Cruise Control Problem (displayed), Lane Keep Assist Problem (displayed)
Repairs/costs cited: Vehicle towed to dealer. Dealers perform diagnostics but often cannot replicate issue or find root cause. TCU/battery connections checked and reset. One owner paid $271.34 for diagnostic that cleared codes but found no issue; warning reappeared same day.
Recalls/TSBs owners mention: TCU recall exists for 2018–2019 Odyssey Touring/Elite but not all trim levels. No remedy or extended warranty offered for affected vehicles outside recall VINs. Honda service response: restart vehicle (turn ignition off/on); issue temporary.
Unintended Acceleration and Loss of Control on Downhill Grades
9-speed transmission downshift programming causes aggressive engine throttle blips during downshifts, especially on 6%+ grades. Vehicle accelerates downhill uncontrollably during cruise control or standard braking scenarios, reaching dangerous speeds (75+ mph) with no driver input. Lack of manual emergency brake increases risk.
When: Present since purchase; occurs consistently during downhill driving with cruise control or coasting.
Symptoms owners cite: Engine throttle blips aggressively during downshifts on grades; Vehicle accelerates downhill despite no accelerator input; Vehicle speeds increase uncontrollably to 75+ mph; Cruise control becomes uncontrollable and must be manually overridden with braking; No engine braking; transmission freewheels downhill; Requires aggressive braking by driver to maintain control; Preset cruise control settings lost during incident
Repairs/costs cited: No repair documented. Issue appears to be transmission software/calibration problem endemic to ZF 9HP transmission in this model.
Recalls/TSBs owners mention: No recall or TSB addressing downshift throttle blipping. Owners report no manufacturer response or acknowledgment.
Transmission Grinding, Metal Noise, and Internal Failure Indicators
Grinding, clanking, clunking, whining, and rattling noises from transmission, indicating possible internal damage. Noises escalate over time and may precede complete transmission failure. In one case, internal connecting rod bearing failure confirmed.
When: Progressive onset from 70k miles onwards; failure confirmed at 102k–133k miles.
Symptoms owners cite: Grinding noise during acceleration; Loud clanking/clunking during gear shifts; Metal clanking sounds during downshifting; Whining noise during acceleration or gear engagement; Rattling/fluttering sound at 1k–1.5k RPM during acceleration; Loud rapid 'click-click-click' noise at highway speeds; Sound like internal damage during hard shifts
Codes mentioned: P0841 (Transmission fluid pressure sensor), P0844 (Dog Clutch malfunction), P0170A (Dog Clutch Abnormal operation)
Repairs/costs cited: One owner mentions potential short block issue identified by mechanic; fiber optic connector repairs attempted. Another confirmed internal transmission failure requiring full replacement (parts $5,736.73, labor $2,385). One owner diagnosed with connecting rod bearing failure matching NHTSA Recall 23V-751 but VIN excluded from recall.
Recalls/TSBs owners mention: Dealerships unable or unwilling to replicate noise for warranty diagnosis. Honda declined goodwill assistance. No recall issued for non-included VINs despite similar failure patterns.
Downhill Braking Vibration/Judder and Loss of Brake Control
Brake system exhibits pulsating vibration (judder) on downhill application despite steady pedal pressure. Feels like brakes pumping on/off, causing inconsistent braking action. May be related to transmission software or integration between transmission and brake control.
When: Present since ownership; occurs consistently on downhill slopes.
Symptoms owners cite: Brake vibration/judder on light and smooth pedal application; Pulsating braking sensation despite steady pedal hold; Feeling of brake pressure release and re-engage; Inconsistent braking action on downhill grades; Alarming sensation but driver learns to live with it
Repairs/costs cited: No repair documented. Manufacturer communications acknowledge investigating brake vibration but no resolution.
Recalls/TSBs owners mention: Manufacturer investigating but no TSB or recall issued. Issue remains unresolved.
Transmission Slippage and Intermittent Engagement Failure
Transmission slips or fails to engage properly, causing unpredictable acceleration response. Vehicle may slip between gears, pause, then suddenly engage with lurch. Occurs randomly at low speeds and intersections, creating safety hazard.
When: Reported throughout ownership; intermittent pattern makes diagnosis difficult.
Symptoms owners cite: Transmission slips or disengages; Delayed engagement after slippage; Vehicle lurches forward at intersections after pause; Unpredictable acceleration response; Vehicle may squeal tires on sudden engagement; Inconsistent throttle response
Repairs/costs cited: One owner: transmission fluid level checked and found within specs. Dealerships unable to replicate slippage during test drives. One transmission replacement performed at 100k miles but slippage recurred post-repair.
Recalls/TSBs owners mention: Dealership service advisors acknowledge 'not able to replicate the problem.' No TSB or software fix provided. Dealership states transmission 'working as designed' despite customer reports of multiple similar failures.
Transmission Will Not Shift Out of Park
Vehicle becomes stuck in Park and refuses to shift into Drive or other gears. Prevents vehicle from moving. May occur after transmission warning displays or low power event.
When: Reported at 34k–100k+ miles.
Symptoms owners cite: Vehicle locked in Park; Unable to shift into Drive, Neutral, or Reverse; Message on dashboard: 'Place car in Neutral, please turn on engine'; Engine may not restart or vehicle may abruptly shut off
Codes mentioned: Transmission System Problem warning
Repairs/costs cited: Vehicle requires towing. One owner: dealership unable to diagnose at time of submission. Another: transmission replacement required.
Recalls/TSBs owners mention: No documented manufacturer response or recall for this specific failure mode.
Transmission Control Unit (TCU) / Software Defect
Programming in TCU causes improper shift logic, adaptation to driving patterns that conflict with actual driving needs, and failure to downshift correctly. Software resets/updates provide only temporary relief.
When: Present since purchase; manifests through various shift behaviors.
Symptoms owners cite: Transmission adapts to 'customer driving pattern' causing inconsistent shift points; Shift points do not correspond to accelerator depression rate; Poor shift response timing; Software reset temporarily masks issue but does not fix underlying programming
Codes mentioned: P0810
Repairs/costs cited: Honda technical bulletins provide only software resets, not updates. Owners report need for complete software rewrite or transmission removal/replacement.
Recalls/TSBs owners mention: Technical Service Bulletins issued for software reset/reprogramming. No permanent software update or replacement program offered. TCU recall exists but limited to Touring/Elite trim 2018–2019 models.
Synthesized from 118 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 3 most recent
Currently own a honda odyssey 2019. The transmission is unstable at times. From a speed of 25-30mph, it performs hard shifts i think from the 3rd gear. We can really feel the jerk of the van along with a sound like metals slipping or something. It doesn't always happen therefore the dealer could not fully diagnose it and called it normal or wait for it to get worse. Yeah right!
Delay or rough shifting betwee 2nd, 3rd and 4th gear. Sudden deccelerations Sudden loss of power twice happened on the free while accelerating.
Had powertrain trouble with your 2019 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 powertrain problem on the 2019 Honda Odyssey?
It's a documented issue but not catastrophic. 118 complaints have been filed. Repairs average $2,500 and most owners catch it before it causes a breakdown.
At what mileage does the powertrain typically fail?
Across the 31 complaints that reported odometer mileage, most powertrain failures cluster between 5,000 and 34,186 miles, with the median around 11,244. A quarter of owners report trouble before 5,000; a quarter make it past 34,186. 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 $2,500 for powertrain 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 powertrain?
No active recalls currently cover powertrain 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/2019/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.