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2007 Honda Odyssey

Owner reports · Recalls · Investigations

More warning signs than most Odyssey years

Owner complaints for the 2007 Honda Odyssey are substantially higher than the model-year median of 249.5.

About this comparison →

When problems were reported

Mileage at the reported incident

672 reports with mileage · 158 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Service Brakes, Hydraulic. Review the 139 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Structure. Review the 134 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Steering. Review the 109 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

38 crash reports15 fire reports48 injury reports

What owners actually said

830 reports
80,000 miles · Apr 22, 2015
Engine And Engine Cooling

WE OWN AN ODYSSEY AND CRV. BOTH OF THEM HAVE A PROBLEM WITH THE HEAT SHIELD RUSTING AND MAKING NOISES WHEN ACCELERATING. THE ONLY WAY TO REPLACE IT IS TO REPLACE THE CATALYTIC CONVERTER, WHICH IS VERY EXPENSIVE. IN RESEARCHING THIS ONLINE IT LOOKS LIKE MANY OTHER HONDA OWNERS WITH ALL DIFFERENT MAKES AND MODELS HAVE EXPERIENCED …

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WE OWN AN ODYSSEY AND CRV. BOTH OF THEM HAVE A PROBLEM WITH THE HEAT SHIELD RUSTING AND MAKING NOISES WHEN ACCELERATING. THE ONLY WAY TO REPLACE IT IS TO REPLACE THE CATALYTIC CONVERTER, WHICH IS VERY EXPENSIVE. IN RESEARCHING THIS ONLINE IT LOOKS LIKE MANY OTHER HONDA OWNERS WITH ALL DIFFERENT MAKES AND MODELS HAVE EXPERIENCED THIS PROBLEM. HAS THIS BEEN INVESTIGATED? THE OTHER OPTION IS TO REMOVE THIS HEAT SHIELD BUT IT SOUNDS LIKE THIS COULD CAUSE A FIRE IF YOU PARK ON GRASS OR IT COULD DAMAGE THE OTHER CAR PARTS IN CLOSE PROXIMITY TO THE CONVERTER.. *TR

NHTSA ODI #10712237

90,108 miles · Apr 21, 2015
Engine

WHILE EXITING A PARKING LOT AND ACCELERATING TO APROX. 20 MPH, THE VEHICLE BEGAN TO SHUDDER AND VIBRATE VIOLENTLY ACCOMPANIED BY THE ILLUMINATION OF THE CHECK ENGINE WARNING LIGHT. WE SHORTLY AFTERWARD NOTICED A REDUCTION IN POWER. THE VEHICLE WAS TAKEN TO AN INDEPENDENT REPAIR SHOP, WHO STATED THAT, THERE WERE SEVERAL MISFIRE…

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WHILE EXITING A PARKING LOT AND ACCELERATING TO APROX. 20 MPH, THE VEHICLE BEGAN TO SHUDDER AND VIBRATE VIOLENTLY ACCOMPANIED BY THE ILLUMINATION OF THE CHECK ENGINE WARNING LIGHT. WE SHORTLY AFTERWARD NOTICED A REDUCTION IN POWER. THE VEHICLE WAS TAKEN TO AN INDEPENDENT REPAIR SHOP, WHO STATED THAT, THERE WERE SEVERAL MISFIRE CODES GENERATED WHEN DIAGNOSED. THE REPAIR SHOP DIAGNOSED THE FAILURE AS THE CYLINDER 5 COIL HAVING MELTED INTO THE CYLINDER. AS A RESULT, THE SHOP HAD TO REMOVE THE CYLINDER HEAD IN ORDER TO REMOVE THE COIL AND SPARK PLUG FROM THE VEHICLE. THE REPAIR SHOP STATED THAT THE FAILURE WAS CAUSED BY THE SPARK PLUG BECOMING LOOSE AND FUEL LEAKING INTO THE CYLINDER HEAD CHAMBER. THE REPAIR SHOP STATED THAT THIS WAS THE THIRD OF THESE FAILURES SEEN BY THEM. THE DEALER OF PURCHASE AND THE MANUFACTURER WERE ALERTED OF THE FAILURE BUT OFFERED NO RESOLUTION. THE DEALER (KEELER HONDA, LATHAM NY) WAS IN FACT QUITE RUDE ABOUT THE FAILURE IN GENERAL. WE WERE CONCERNED OF THE SAFETY RISK INVOLVED WITH THE FAILURE. THE VEHICLE WAS REPAIRED WITH THE TOTAL BILL OF $2411.00. THE FAILURE MILEAGE WAS 90,108. *TR

NHTSA ODI #10712097

100,000 miles · Apr 13, 2015
Structure

THE SLIDING DOOR COMPLETELY FELL OFF. THIS WAS UNPROVOKED. I OPENED IT AND IT DIDN'T OPEN ALL THE WAY. I THEN ATTEMPTED TO CLOSE IT AND IT WAS STUCK SO I TURNED OFF THE ELECTRIC PART. NOW THAT IT WAS MANUAL I ATTEMPTED TO CLOSE IT AND IT FELL OFF COMPLETE! *TR

NHTSA ODI #10705494

65,000 miles · Apr 6, 2015
Structure

TL* THE CONTACT OWNS A 2007 HONDA ODYSSEY. WHILE PARKED, THE POWER LIFTGATE ABRUPTLY CLOSED WHILE IN USE. THE CONTACT WAS UNINJURED. THE VEHICLE WAS TAKEN TO THE DEALER WHO STATED THAT BOTH POWER LIFTGATE STRUTS NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE ISSUE. THE APPROXIMATE FAILU…

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TL* THE CONTACT OWNS A 2007 HONDA ODYSSEY. WHILE PARKED, THE POWER LIFTGATE ABRUPTLY CLOSED WHILE IN USE. THE CONTACT WAS UNINJURED. THE VEHICLE WAS TAKEN TO THE DEALER WHO STATED THAT BOTH POWER LIFTGATE STRUTS NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE ISSUE. THE APPROXIMATE FAILURE MILEAGE WAS 65,000.

NHTSA ODI #10703917

54,000 miles · Apr 2, 2015
Steering

STEERING BECOMES TIGHT AND VERY HARD AT LOW SPEEDS AND MY WIFE STARTED COMPLAINING OF SORE ARMS. I TRIED AND FOUND IT TO BE QUITE HARD. TOOK IT TO THE DEALER AND HE FLUSHED POWER STEERING FLUID AND CHARGED ME FOR IT THOUGH THERE IS A TSB ON HOW TO FIX IT. TOOK IT TO THE TIRE SHOP AND THEY ASKED ME TO TAKE IT TO THE ALIGNMENT S…

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STEERING BECOMES TIGHT AND VERY HARD AT LOW SPEEDS AND MY WIFE STARTED COMPLAINING OF SORE ARMS. I TRIED AND FOUND IT TO BE QUITE HARD. TOOK IT TO THE DEALER AND HE FLUSHED POWER STEERING FLUID AND CHARGED ME FOR IT THOUGH THERE IS A TSB ON HOW TO FIX IT. TOOK IT TO THE TIRE SHOP AND THEY ASKED ME TO TAKE IT TO THE ALIGNMENT SHOP. THEN I SEARCHED THE INTERNET AND FOUND TSB A11-039 AND SEVERAL OTHER LETTERS FROM HONDA TO CUSTOMERS. HONDA EXTENDED THE WARRANTY BUT DID NOT INFORM THE OWNERS!! I DID NOT RECEIVE ANY COMMUNICATION REGARDING THIS AND MY VEHICLE DOES NOT SHOW ANY OPEN RECALLS IN HONDA WEBSITE. STEERING IS QUITE CRITICAL TO THE VEHICLE AND HONDA SHOULD RECALL INSTEAD OF PLAYING WITH LIVES OF CUSTOMERS. *TR

NHTSA ODI #10703422

Mileage unknown · Mar 23, 2015
Equipment

TL* THE CONTACT OWNS A 2007 HONDA ODYSSEY. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS, THE AIR CONDITIONER FAILED TO FUNCTION. THE VEHICLE WAS TAKEN TO A DEALER. THE TECHNICIAN DIAGNOSED THAT THE COMPRESSOR NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. HOWEVER, THE FAILURE RECURRED. THE VEHICLE WAS THEN TAKEN TO …

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TL* THE CONTACT OWNS A 2007 HONDA ODYSSEY. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS, THE AIR CONDITIONER FAILED TO FUNCTION. THE VEHICLE WAS TAKEN TO A DEALER. THE TECHNICIAN DIAGNOSED THAT THE COMPRESSOR NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. HOWEVER, THE FAILURE RECURRED. THE VEHICLE WAS THEN TAKEN TO A MECHANIC. THE TECHNICIAN DIAGNOSED THAT THE COMPRESSOR NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS UNKNOWN.

NHTSA ODI #10701256

165,000 miles · Mar 23, 2015
Air BagsCrashInjury

MY WIFE TWO CHILDREN AND 4 GUESTS WERE MOVING FROM A STOP THROUGH AN INTERSECTION WHEN ANOTHER DRIVER DISREGARDED A RED LIGHT AND HIT OUR CAR TOWARD THE REAR OF THE SLIDING DOOR AND FRONT OF REAR WHEEL. THE OTHER CAR'S SPEED WAS UNKNOWN BUT THEY DID NOT APPEAR TO STOP PRIOR TO IMPACT. ALL DRIVER SIDE AIRBAGS ALONG THE SIDE OF T…

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MY WIFE TWO CHILDREN AND 4 GUESTS WERE MOVING FROM A STOP THROUGH AN INTERSECTION WHEN ANOTHER DRIVER DISREGARDED A RED LIGHT AND HIT OUR CAR TOWARD THE REAR OF THE SLIDING DOOR AND FRONT OF REAR WHEEL. THE OTHER CAR'S SPEED WAS UNKNOWN BUT THEY DID NOT APPEAR TO STOP PRIOR TO IMPACT. ALL DRIVER SIDE AIRBAGS ALONG THE SIDE OF THE CAR DEPLOYED. MY WIFE AND ONE DAUGHTER SUSTAINED INJURIES WHICH REQUIRED HOSPITAL EXAMINATION. ALL PASSENGERS HAD SEAT BELT BURNS. MY WIFE WAS STRUCK WITH SOMETHING ON THE TOP OF HER HEAD PRESUMABLY FROM DEBRIS FROM THE AIRBAGS OR TRIM WHEN THE AIRBAGS DEPLOYED. THIS LEFT A SMALL ROUND HOLE ON THE TOP OF HER HEAD. SHE HAD BLOOD LOSS WHICH WAS TREATED BY WITNESSING NURSES AND DISPATCHED EMT. SHE WAS TREATED AND RELEASED FROM THE LOCAL HOSPITAL AND HAS BEEN RECUPERATING AT HOME. WE ARE EVALUATING FURTHER TREATMENT OPTIONS FOR OTHER MUSCULOSKELETAL INJURIES. MOST SEAT BELT BURNS WERE MINOR ALTHOUGH THE GUEST PASSENGER IN THE 2ND ROW MIDDLE SEAT (REMOVABLE SEAT) HAD MORE SIGNIFICANT BURNS DUE TO ANGLE OF SEAT BELT. *TR

NHTSA ODI #10701200

Mileage unknown · Mar 10, 2015
Fuel/propulsion System

TL*THE CONTACT OWNS A 2007 HONDA ODYSSEY. THE CONTACT STATED RECEIVED NHTSA RECALL CAMPAIGN: 14V112000 (FUEL SYSTEM) IN APRIL OF 2014. THE MANUFACTURER WAS CONTACTED AND THEY STATED THAT THE PARTS WERE NOT AVAILABLE. THE CONTACT FELT THAT THE MANUFACTURER HAD EXCEEDED A REASONABLE AMOUNT OF TIME TO PERFORM THE RECALL REPAIRS. T…

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TL*THE CONTACT OWNS A 2007 HONDA ODYSSEY. THE CONTACT STATED RECEIVED NHTSA RECALL CAMPAIGN: 14V112000 (FUEL SYSTEM) IN APRIL OF 2014. THE MANUFACTURER WAS CONTACTED AND THEY STATED THAT THE PARTS WERE NOT AVAILABLE. THE CONTACT FELT THAT THE MANUFACTURER HAD EXCEEDED A REASONABLE AMOUNT OF TIME TO PERFORM THE RECALL REPAIRS. THE CONTACT HAD NOT EXPERIENCE A FAILURE. THE VIN WAS NOT AVAILABLE.

NHTSA ODI #10693244

107,651 miles · Mar 10, 2015
Air Bags

PASSENGER AIRBAG LIGHT GOES ON INTERMITTENTLY! *TR

NHTSA ODI #10693206

110,348 miles · Mar 1, 2015
Electrical SystemPower TrainFire

I WAS DRIVING TO A SUPERMARKET, I PULLED INTO PARKING LOT AND THEN I SAW A LOT OF SMOKE COMING UNDER THE HOOD, I HAD MY THREE CHILDREN INSIDE THE CAR AND IN MINUTES MY CAR WAS TOTALED COMPLETELY BURNED. HONDA SHOULD PAY MY VAN, NONE NOTICED ANY PROBLEM BEFORE. SIDE DOORS WON'T OPEN AT THE MOMENT OF THE FIRE, VERY DANGEROUS DESIG…

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I WAS DRIVING TO A SUPERMARKET, I PULLED INTO PARKING LOT AND THEN I SAW A LOT OF SMOKE COMING UNDER THE HOOD, I HAD MY THREE CHILDREN INSIDE THE CAR AND IN MINUTES MY CAR WAS TOTALED COMPLETELY BURNED. HONDA SHOULD PAY MY VAN, NONE NOTICED ANY PROBLEM BEFORE. SIDE DOORS WON'T OPEN AT THE MOMENT OF THE FIRE, VERY DANGEROUS DESIGN FOR AN EMERGENCY LIKE THIS, IMAGINE I MOTHER WITH CHILD ON A CAR SEAT AND NOT HAVING ACCESS TO THE REAR SEATS, WHEN THIS DANGEROUS SITUATION TAKES MINUTES TO BURN THE ENTIRE VEHICLE. *TR

NHTSA ODI #10691314

Official recalls

4

14V112000 · Fuel System, Gasoline:delivery:fuel Pump

Mar 14, 2014

American Honda Motor Co., Inc. (Honda) is recalling certain 2005-2010 Honda Odyssey vehicles manufactured June 23, 2004, through September 4, 2010. In the affected vehicles, the fuel pump strainer cover may deteriorate allowing fuel to leak out.

Consequence & remedy

Consequence: A fuel leak increases the risk of a fire.

Remedy: Parts to permanently repair the affected vehicles are not currently available. Honda will notify owners with an interim letter during May 2014. A second notice was mailed to owners October 6, 2014 when the remedy became available. Any vehicles that are currently leaking from the fuel pump cover will get a replacement, original cover. All vehicles, including those receiving the interim repair, will get an improved cover when they are available. Owners may contact Honda at 1-800-999-1009. The recall numbers associated with this campaign are JD9 (inspection and/or preliminary part replacement) and JE0 (final parts replacement).

13V500000 · Electrical System:software

Nov 1, 2013

American Honda Motor Company (Honda) is recalling certain model year 2007-2008 Honda Odyssey vehicles manufactured August 8, 2006, through September 8, 2008. Due to a combination of system components and software, the Vehicle Safety Assist System (VSA) may apply the brakes unexpectedly.

Consequence & remedy

Consequence: The vehicle may suddenly and unexpectedly brake hard, and without illuminating the brake lights, increasing the risk of a crash from behind.

Remedy: Parts to remedy these vehicles will not be available until the spring of 2014. Honda will send owners an interim letter notifying them of the issue and instruct them how to prevent unintended braking. A second notification will be sent when the parts become available. Interim notification was mailed in December 2013. The recall began on April 29, 2014. Owners may contact Honda at 1-800-999-1009 or visit their website at www.recalls.honda.com. Honda's recall number is JC5.

10V504000 · Service Brakes, Hydraulic:foundation Components:master Cylinder

Oct 22, 2010

HONDA IS RECALLING CERTAIN MODEL YEAR 2005-2007 ODYSSEY AND ACURA RL VEHICLES. BRAKE FLUID CONTAINING POLYMERS IS USED THAT ACTS AS A LUBRICANT FOR CERTAIN BRAKE SYSTEM COMPONENTS. IF REPLACEMENT BRAKE FLUID IS USED THAT DOES NOT CONTAIN SUCH POLYMERS, OR THAT CONTAINS ONLY SMALL AMOUNTS, A PART OF THE RUBBER SEAL LOCATED AT THE REAR OF THE BRAKE MASTER CYLINDER MAY BECOME DRY, AND THE SEAL MAY CURL DURING MOVEMENT OF THE PISTON. IF THIS OCCURS, A SMALL AMOUNT OF BRAKE FLUID COULD SLOWLY LEAK FROM THE SEAL INTO THE BRAKE BOOSTER.

Consequence & remedy

Consequence: A LEAK OF BRAKE FLUID COULD LEAD TO A CHANGE IN BRAKE PEDAL FEEL AND OVERTIME A DEGRADATION IN BRAKING PERFORMANCE INCREASING THE RISK OF A CRASH.

Remedy: DEALERS WILL REPLACE THE BRAKE MASTER CYLINDER SEAL FREE OF CHARGE. THE RECALL IS EXPECTED TO BEGIN DURING DECEMBER 2010. OWNERS MAY CONTACT HONDA AT 1-800-999-1009.

10V098000 · Service Brakes, Air

Mar 16, 2010

HONDA HAS NOTIFIED NHTSA OF A DEFECT IN CERTAIN MODEL YEAR 2007 AND 2008 ODYSSEY AND ELEMENT PASSENGER VEHICLES MANUFACTURED BETWEEN JULY 28, 2006 AND AUGUST 21, 2008. AIR CAN ENTER THE VSA MODULAR PUMP DURING AN INITIAL SELF-CHECK PROCESS THAT OCCURS SHORTLY AFTER EACH TIME THE ENGINE IS STARTED. IT IS POSSIBLE FOR ENOUGH AIR TO ENTER THE SYSTEM TO RESULT IN A BRAKE PEDAL THAT FEELS SOFT OR LOWER TO THE FLOOR.

Consequence & remedy

Consequence: IF THE OWNER DOES NOT HAVE ANY BRAKE SERVICE OR MAINTENANCE PERFORMED OVER A PERIOD OF MONTHS OR YEARS, THE SYSTEM CAN CONTINUE TO ACCUMULATE ENOUGH AIR TO AFFECT BRAKING PERFORMANCE, INCREASING THE RISK OF A CRASH.

Remedy: HONDA WILL NOTIFY OWNER AND HONDA DEALERS WILL REPAIR THE VSA MODULATOR BY REMOVING ANY EXISTING AIR IN THE BRAKE SYSTEM THEN APPLY SEALANT AND CAPS TO PREVENT AIR FROM ENTERING THE BRAKE SYSTEM FREE OF CHARGE. THE SAFETY RECALL BEGAN ON MAY 3, 2010. OWNERS MAY CONTACT HONDA AT 1-800-999-1009.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

3

PE13024 · Inappropriate Autonomous Braking

Opened Jun 25, 2013 · Closed Nov 4, 2013

Status: closed (inferred from source dates) · Electronic Stability Control

In a letter dated October 31, 2013, Honda Motor Company (Honda) submitted a recall notice to NHTSA's Office of Defects Investigation describing a defect in the Vehicle Stability Assist (VSA) system in approximately 344,187 model year (MY) 2007 and 2008 Honda Odyssey vehicles produced from August 8, 2006 through September 8, 2008 (NHTSA Recall 13V-500, Honda Recall JC5).The report describes a defect condition caused by a combination of VSA system components and software that is unique to the MY 2007-2008 Honda Odyssey vehicles.The condition may result in unexpected brake application by the VSA system with no brake lamp illumination.The braking forces resulting from the condition can approach the maximum braking capability of the vehicle.Honda's investigation determined that (1) if the yaw rate sensor off-set exceeds a certain value, (2) the sensor calibration is not completed before the vehicle starts moving after start-up, and (3) the vehicle is driven in a specific manner; the VSA system may build hydraulic pressure in the brake system resulting in heavy, unexpected braking without the driver applying the brake pedal.Honda estimates that the parts necessary to correct this condition will not be available until March 2014.Pending part availability, Honda will send interim letters to affected owners including instructions to avoid the defect condition using a procedure to ensure proper VSA system calibration after each vehicle start-up, as well as instructions about what to do if unexpected brake application occurs while driving.Once the remedy parts are available, Honda will send a second notice advising owners to bring their vehicle to their dealer for installation of a redesigned yaw rate sensor.This investigation is closed.

EA09014 · Air In Brake System

Opened Oct 19, 2009 · Closed May 11, 2010

Status: closed (inferred from source dates) · Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip:control Unit/module

By letter dated March 15, 2010, American Honda Motor Corp. (HMC) notified the National Highway Traffic Safety Administration (NHTSA) that it will conduct a safety recall (NHTSA Recall No. 10V-098) to address a defect in approximately 412,000 model year (MY) 2007 and 2008 Honda Odyssey and Element vehicles equipped with an ABS/VSA/TCS modulator. The recalled Odyssey vehicles were built from August 2006 August 2008.The recalled Element vehicles were built from July 2006 to July 2008. According to Honda, during an initial self-check process that occurs shortly after each engine ignition cycle, the self-diagnostic software for the VSA modulator allows a vacuum condition that can exist for several hours, allowing air to enter the VSA modulator pump.Over time, and thousands of engine ignition cycles, it is possible for enough air to enter the system to result in a brake pedal that feels soft or lower to the floor.If the customer does not have any brake service or maintenance performed over a period of months or years, the system can continue to accumulate enough air to affect braking performance.To correct the safety defect, Honda dealers will remove existing air in the brake system then apply sealant and caps to the VSA modulator to prevent air from entering the brake system, free of charge. The action taken by Honda is sufficient to resolve the issues raised by this investigation. The agency will continue to monitor this issue and reserves the right to take further action if warranted by the circumstances.Accordingly, this investigation is closed.

PE09024 · Air In Brake System

Opened May 13, 2009 · Closed Oct 19, 2009

Status: closed (inferred from source dates) · Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip

THE OFFICE OF DEFECTS INVESTIGATION (ODI) HAS RECEIVED 69 COMPLAINTS, AND HONDA HAS RECEIVED 613 COMPLAINTS AND FIELD REPORTS, ALLEGING LOW/SOFT/SPONGY BRAKE PEDAL TRAVEL IN MODEL YEAR (MY) 2006 THROUGH 2008 HONDA ODYSSEY MINIVANS.TWENTY-SIX ODI COMPLAINTS WERE ALSO REPORTED TO HONDA, RESULTING IN A TOTAL COMPLAINT COUNT OF 656.SOME COMPLAINTS ALLEGE THAT THE CONDITION RESULTED IN EXTENDED STOPPING DISTANCES, INCLUDING SOME REPORTS OF ROLLING PAST STOP SIGNS OR TRAFFIC LIGHTS.THERE ARE 14 ALLEGED CRASHES IN THE SUBJECT VEHICLE POPULATION RELATED TO LOW/SOFT PEDALS. IN RESPONSE TO ODI'S INFORMATION REQUEST FOR PRELIMINARY EVALUATION PE09-024, HONDA INDICATED THAT SMALL AMOUNTS OF AIR MAY ENTER THE BRAKE SYSTEM DURING INITIAL DIAGNOSTICS OF THE VEHICLE STABILITY ASSIST (VSA) MODULATOR WHILE THE PUMP IS BRIEFLY ACTUATED FOR SYSTEM DIAGNOSTICS AFTER THE ENGINE IS STARTED.THE AMOUNT OF AIR GRADUALLY INCREASES WITH EACH SUCCESSIVE ENGINE START CYCLE, RESULTING IN PROGRESSIVELY INCREASING BRAKE PEDAL STROKE.ACCORDING TO HONDA, THE CONDITION DOES NOT PRESENT A SIGNIFICANT RISK TO MOTOR VEHICLE SAFETY BECAUSE THE PEDAL STROKE GRADUALLY INCREASES, PROVIDING THE DRIVER WITH INFORMATION THAT THE BRAKE PEDAL HEIGHT IS CHANGING AND REQUIRES ATTENTION.HONDA HAS FURTHER INDICATED THAT THERE IS NO DETERIORATION OF BRAKING PERFORMANCE CAUSED BY THE SUBJECT CONDITION, EVEN THOUGH THE PEDAL HEIGHT AND FEEL ARE DIFFERENT, UNTIL PEDAL STROKE HAS REACHED THE END OF TRAVEL AND THE DRIVER CANNOT PRODUCE ANY ADDITIONAL BRAKE LINE PRESSURE.HONDA STATES THAT IT IS UNAWARE OF ANY VEHICLES THAT HAVE REACHED SUCH A CONDITION AND HONDA TESTING USING A LEAKING FIELD RETURN MODULATOR INDICATES THAT IT WOULD TAKE OVER A YEAR BEFORE THE PEDAL TRAVEL WOULD REACH ITS LIMIT DURING HARD STOPS WITH 200 N (45 LBF) OF PEDAL EFFORT - THE NOMINAL FORCE REQUIRED TO REACH ABS BRAKING MODE. ODI'S ANALYSIS OF WARRANTY DATA INDICATES THAT THE MY 2007-08 ODYSSEY VEHICLES HAVE EXPERIENCED THE ALLEGED DEFECT AT A RATE OF 0.67%.THE MY 2006 ODYSSEY VEHICLES HAVE EXPERIENCED THE ALLEGED DEFECT AT A SIGNIFICANTLY LOWER RATE (0.04%) THAN THE MY 2007-08 ODYSSEY.HONDA IMPLEMENTED A DESIGN CHANGE IN THE MY 2007 VEHICLES TO CHANGE THE VSA DIAGNOSTIC PROGRAM. THIS INVESTIGATION HAS BEEN UPGRADED TO AN ENGINEERING ANALYSIS (EA09-014) FOR THE MY 2007-08 ODYSSEY VEHICLES TO CONTINUE TO INVESTIGATE THE SCOPE, FREQUENCY, AND SAFETY-RELATED CONSEQUENCES OF THE ALLEGED DEFECT.