← New search

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
137,591 miles · Aug 8, 2018
Electronic Stability Control (esc)Service Brakes

A VSA WITH A TRIANGLE WARNING SIGN IS ON IN MY DASHBOARD, I SCARE THE ABS BRAKES WILL NOT WORK PROPERLY AND IT DOESN'T WORK THE VSA SWITCH ON THE LEFT SIDE OF THE DASH NEITHER TO SWITCH ON OR OFF, I CHECK TIRES AND LOOKS OK THE PRESSURE OF EACH, IS ANY RECALL ABOUT THIS PROBLEM WITH THIS HONDA ODISSEY '07?

NHTSA ODI #11118617

100,000 miles · Aug 3, 2018
Electrical SystemStructure

THE POWER SLIDING DOORS NO LONGER LATCH AND SLIDE OPEN WHILE GOING AROUND CORNERS, POTENTIALLY ALLOWING FOR PEOPLE OR OBJECTS TO FALL OUT.

NHTSA ODI #11115661

229,000 miles · Aug 2, 2018
Service Brakes

TL* THE CONTACT OWNS A 2007 HONDA ODYSSEY. WHILE DRIVING 20 MPH, THE BRAKE PEDAL MALFUNCTIONED AND TRAVELED TO THE FLOORBOARD. THE VEHICLE WAS TAKEN TO THE DEALER (TOM SCOTT HONDA, 603 11TH AVE N, NAMPA, ID 83687, (208) 466-3248) WHERE IT WAS DIAGNOSED THAT THE MASTER CYLINDER AND BOOSTER NEEDED TO BE REPLACED. THE VEHICLE WAS N…

Read full complaint

TL* THE CONTACT OWNS A 2007 HONDA ODYSSEY. WHILE DRIVING 20 MPH, THE BRAKE PEDAL MALFUNCTIONED AND TRAVELED TO THE FLOORBOARD. THE VEHICLE WAS TAKEN TO THE DEALER (TOM SCOTT HONDA, 603 11TH AVE N, NAMPA, ID 83687, (208) 466-3248) WHERE IT WAS DIAGNOSED THAT THE MASTER CYLINDER AND BOOSTER NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE CONTACT TOOK THE VEHICLE TO SEVERAL INDEPENDENT MECHANICS WHO DIAGNOSED THAT THE MASTER CYLINDER HAD NOT MALFUNCTIONED AND NO LEAKS WERE FOUND. THE MANUFACTURER WAS NOT CONTACTED. THE FAILURE MILEAGE WAS 229,000.

NHTSA ODI #11115347

109,000 miles · Aug 2, 2018
Electrical SystemElectronic Stability Control (esc)Engine

WHILE DRIVING MY 2007 MODEL HONDA ODESSEY, ON JUNE 5TH 2018 WITHOUT ANY WARNING SIGNS, VEHICLE SHUT OFF, DASH WENT OFF. TRIED TO APPLY BRAKE, IT DIDN'T WORK. SOMEHOW MANAGED TO PUT THE PARK GEAR TO PULL OVER TO A LEFT TURN LINE TO AVOID COLLISION WITH OTHER VEHICLES ON THE ROAD. 911 WAS ALERTED SINCE THE VEHICLE WAS BLOCKING THE…

Read full complaint

WHILE DRIVING MY 2007 MODEL HONDA ODESSEY, ON JUNE 5TH 2018 WITHOUT ANY WARNING SIGNS, VEHICLE SHUT OFF, DASH WENT OFF. TRIED TO APPLY BRAKE, IT DIDN'T WORK. SOMEHOW MANAGED TO PUT THE PARK GEAR TO PULL OVER TO A LEFT TURN LINE TO AVOID COLLISION WITH OTHER VEHICLES ON THE ROAD. 911 WAS ALERTED SINCE THE VEHICLE WAS BLOCKING THE LEFT TURN LINE AND WAS NOT ABLE TO EVEN OPEN THE DOOR TO COME OUT OF THE VAN. AFTER FEW MINUTES I WAS ABLE TO TURN IT ON AND THERE WAS NO ENGINE SIGN. NO INJURIES OR DAMAGE WAS SUSTAINED. I CONTINUED DRIVING THE VAN HOME. AFTER TWO WEEKS THE ENGINE SIGN CAME UP AND WE TOOK IT TO THE HONDA AUTHORIZED DEALERSHIP. THEY COULDN'T FIND ANYTHING WRONG WHICH CAUSES THIS ENGINE SHUTDOWN ABRUPTLY. THEY WERE UNABLE TO DUPLICATE THE PROBLEM. AFTER TWO DAYS THE BATTERY WENT DOWN. SO WE REPLACED THE BATTERY WITH A NEW ONE. ON JULY 21, MY COUSIN WAS DRIVING THE VAN AND THE SAME HAPPENED AGAIN. HE PULLED OVER TO THE SIDE AND AFTER FEW ATTEMPTS IT STARTED AGAIN AND HE RODE BACK AND PARKED AT HIS HOUSE. ON JULY 24TH, WE TRIED TO TURN IT ON BUT THE BATTERY WAS DOWN. WE JUMP STARTED IT ON 27TH AND TOOK IT TO THE SAME DEALERSHIP. THEY KEPT IT DOING SEVERAL TESTS UNTIL JULY 31ST AND FOUND NOTHING WRONG WITH IT. THEY OK'D US TO TAKE THE VEHICLE SINCE THEY COULDN'T DUPLICATE THE ISSUE . WE ARE VERY MUCH CONCERNED TO RIDE IT AGAIN FEAR OF SAFETY TO OUR OWN LIFE AND THE OTHER INNOCENT FELLOWS ON THE ROAD. WE REPORTED THE HONDA CUSTOMER SERVICE AND THEY SUGGESTED TO TAKE IT TO ANOTHER DEALERSHIP. THEY ARE NOT WILLING TO TAKE ANY RESPONSIBILITY IF SOMETHING HAPPENS WHEN WE DRIVE THE VAN. WE SEARCHED ONLINE AND FOUND FEW OTHERS HAS REPORTED THE SAME KIND OF INCIDENTS FOR THE SAME MODEL BUT DIFFERENT YEAR. I AM REQUESTING NHTSA INVESTIGATE ON THIS ISSUE AND GIVE YOUR RECOMMENDATIONS

NHTSA ODI #11115267

Mileage unknown · Jul 29, 2018
Fuel/propulsion SystemService BrakesUnknown Or Other

MY BACK PASSENGERDOOR BEEN ACTING UP SINCE I BOUGHT MY 2007 HONDA ODYSSEY I WILL HIT THE BUTTON TO OPEN THE PASSENGERBACK DOOR IT WILL START OPENING AND ALL A SUDDEN IT WILL JUST START SHUTTINGON PEOPLEI HAVE TO HIT THE BUTTON TO STOP IT FROM SHUTTING ON PEOPLE AND WHEN MY FUELGET DOWN TO A QUARTER OF A TANK MY FUEL PUMP START M…

Read full complaint

MY BACK PASSENGERDOOR BEEN ACTING UP SINCE I BOUGHT MY 2007 HONDA ODYSSEY I WILL HIT THE BUTTON TO OPEN THE PASSENGERBACK DOOR IT WILL START OPENING AND ALL A SUDDEN IT WILL JUST START SHUTTINGON PEOPLEI HAVE TO HIT THE BUTTON TO STOP IT FROM SHUTTING ON PEOPLE AND WHEN MY FUELGET DOWN TO A QUARTER OF A TANK MY FUEL PUMP START MAKING A WEIRD SOUND UNTIL I FILL MY TANK UP WITH FUEL THEN WHEN IT GET LOW AGAIN IT START MAKING THE SOUND AGAIN AND I HAVE HAD MY 2007 HONDA ODYSSEY FOR A LITTLE OVER A YEAR NOW AND I HAVE ALREADY CHANGE MY BRAKES 3 TIMES ALREADY AND CHANGE MY ROTORS ONCE

NHTSA ODI #11114347

166,000 miles · Jul 19, 2018
EngineVehicle Speed Control

WE BOUGHT THIS 2007 HONDA ODYSSEY A FEW MONTHS AGO, AND EVER SINCE WE HAVE OWNED IT, IT WILL JUST KEEP GOING FOR AWHILE AT THE SAME SPEED WE HAD IT AT, EVEN THOUGH WE TAKE OUR FOOT OFF THE GAS. WE HAVE TO PUT IT IN NEUTRAL TO STOP, OR IT WILL PULL A BIT HARD ON THE BRAKES. WE CAN STOP IT LIKE THIS, BUT IT WILL WEAR THE BRAKES OU…

Read full complaint

WE BOUGHT THIS 2007 HONDA ODYSSEY A FEW MONTHS AGO, AND EVER SINCE WE HAVE OWNED IT, IT WILL JUST KEEP GOING FOR AWHILE AT THE SAME SPEED WE HAD IT AT, EVEN THOUGH WE TAKE OUR FOOT OFF THE GAS. WE HAVE TO PUT IT IN NEUTRAL TO STOP, OR IT WILL PULL A BIT HARD ON THE BRAKES. WE CAN STOP IT LIKE THIS, BUT IT WILL WEAR THE BRAKES OUT FAST. ALSO, WHEN WE PUT IT IN DRIVE OR REVERSE, AFTER A FEW SECONDS, IT SPEEDS UP A LITTLE. IT WILL JUST GO DOWN THE ROAD SLOWLY WITHOUT PUTTING OUR FOOT ON THE GAS. IF WE LEAVE IT IN REVERSE, IT WILL ACCELERATE RIGHT THROUGH THE GARAGE, IF WE LET IT. AFTER IT IS IN NEUTRAL FOR A FEW SECONDS, IT FINALLY GOES BACK DOWN TO A REGULAR RPM, BUT GOES BACK UP EVERY 6 SECONDS OR SO, THEN BACK DOWN, ETC... ALSO, WHEN IT IS IDLING, AND I TURN THE STEERING WHEEL, IT REVS UP AGAIN ON IT'S OWN. WE HAVE HAD THE THROTTLE BODY CLEANED, AND HAD IT COMPLETELY CHECKED ON A SCANNER, AND NOTHING CAME UP; EVERYTHING LOOKED GOOD ON THE SCANNER.

NHTSA ODI #11112439

Mileage unknown · Jul 15, 2018
Wheels

FRONT PASSENGER SIDE TIRE BLEW OUT UNEXPECTEDLY WHILE SITTING AT A STOP LIGHT. SIDEWALL BLEW A LARGE SQUARE HOLE, SEPERATING FROM BEAD. TIRES HAD APPROXIMATELY 30,000 MILES ON THEM.

NHTSA ODI #11111471

201,000 miles · Jul 14, 2018
Electrical SystemEngineUnknown Or OtherFire

MY VAN CAUGHT ON FIRE BUT WAS NOT LISTED AS RECALLED IN 2014. IT STARTED TO SMELL FUNNY AND WHEN I PULLED OVER, THE ENGINE COMPARTMENT WAS ALREADY IN FLAMES.

NHTSA ODI #11111354

138,000 miles · Jul 12, 2018
Electrical SystemWheels

NOT SURE OF RECALLS BUT WHAT I FO KNOW IS DANBURY AUTO OF DANBURY CT. SOLD ME THIS MINI VAN AT TGE RND OF NOVRMBER 2017 ALMODT IMMEDIATELY I NEEDED POWER STEERING PUMP WHICH BN I REPLACED IN THE PROCESS I HAD A DIAGNOSTIC TEST DONE AT HONDA OF HARTFORD CT. WHICH THRY TOLD ME TH AS T I HAD A RACK AND PINION LEAK THEY SLSO T…

Read full complaint

NOT SURE OF RECALLS BUT WHAT I FO KNOW IS DANBURY AUTO OF DANBURY CT. SOLD ME THIS MINI VAN AT TGE RND OF NOVRMBER 2017 ALMODT IMMEDIATELY I NEEDED POWER STEERING PUMP WHICH BN I REPLACED IN THE PROCESS I HAD A DIAGNOSTIC TEST DONE AT HONDA OF HARTFORD CT. WHICH THRY TOLD ME TH AS T I HAD A RACK AND PINION LEAK THEY SLSO TOLD THISIS A PROBLEM FOR THIS VAN A WEEK LATER MY MY DRIVER SIDE PASSENGER SIDE SLIDING DOOR STOP WORKING ALSO MY PASSENGER SIDE BACK SLIDING DOOR WAS PARTIALLY WORKING WHICH I FEEL IS HAZARDOUS IF YOU ARE IN A ACCIDENT I WENT TO A COUPLE PLACES THEY COULDNT FIX IT EACH ONE SAID THIS IS A PROBLEM HAS BEEN A BAD PROBLEM FOR THE 2004-2010 MODELS THEN I CONTACTED DEALERSHIP THEY ALSO SAID THE SAME THING I ASKED ABOUT REPLACING ROLLERS AND MOTOF THEY TOLD ME ITS A DEEPER ISSUE DONT WATE YOUR MONEY ON IT ! I JUST DONT SEE HOW THIS ISSUE WASNT ON RECALL EHEN ITS CLEARLY DANGEROUS AND ITS THOUSANDS OF COMPLAINTS ON THIS ISSUE I NOUGHT THIS FOR ME AND MY GRANDKIDS AND EVERY SINCE I BOUGHT I HAVENT BEEN ABLE TO HAVE THEM RIDE BUT ONCE BECAUSE LI DONT WANT THEM TRAPPED IN A EMERGENCY !!ALSO THE DRIVER S IY DE AXLE NEEDS REPLACED I FOUND THAT THIS IS ALSO A ISSUE WITH THE AXLES AS WELL BASCIALLY THIS VAN HAS MANY ISSUES THST HAD SUFFICIENT COMPLAINTS AND CONCERN THST CAN RESULT IN DEATH THAT WAS ADDRESSED AND I DONT UNDERSTAND WHY ALTHOUGH NI REALIZE ALL AUTOMOBILES HAS ISSUES BUT THESE ARE BAD AND LIFE THREATENING BEING TRAPPED IN A CAR OR HAVING TO DRIVE HIT A BUMP AND TIRE BRAKES OFF

NHTSA ODI #11110960

145,320 miles · May 20, 2018
Electronic Stability Control (esc)Service BrakesSteering

VSA LIGHT CAME ON THEN THE CAR WILL NOT GO OVER 2000 RPMS AND THE STEERING GETS HARD. THE BRAKES GO TO FLOOR MAKING HARD BRAKE FEEL. THIS HAPPENED ON THE INTERSTATE.

NHTSA ODI #11096911

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.