2025 Honda Odyssey: Engine complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 242 owner complaints for the 2025 Honda Odyssey that list the engine component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11772867 (filed 10/22/2026): “I've had multiple instances where i would be stopped at a red light, when when the light turned green, the car would not accelerate. i would have to turn the engine completely off and back on. this is a safety issue as i'm sitting in traffic and cars/vehicles behind me are expecting me to go. my …”
- NHTSA complaint ODI #11772279 (filed 10/19/2026): “The auto start-stop system fails frequently. if i do not turn off the system, when i stop on red light, the engine turns off as expected. however, it frequently fails to start. the car stalls and it's difficult to turn back on. i need to turn the car off completely first, then try to turn it back on…”
- NHTSA complaint ODI #11771974 (filed 10/18/2026): “Vehicle was at a stop light and engine turned off via the automatic idle engine stop. however, when i tried to press the gas the vehicle put itself in park and flashed a battery warning. i had to restart the car 4 times before it would turn back on and drive.…”
Likely causes
These complaints do not establish a single root cause; read the examples above and get a diagnosis.
Fix, in plain English
No single fix is established by these reports. Check your VIN for open recalls at nhtsa.gov/recalls, ask a dealer about technical service bulletins (TSBs) or extended warranty coverage, then have the system diagnosed.
DIY difficulty: Pro
Internal engine work (lifters, oil consumption, fuel dilution diagnosis) requires engine teardown or dealer software/tests. (Our assessment.)
Cost
No sourced cost range for this issue. Get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
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Sources
Page last updated .