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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.

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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

Service Brakes complaints

84 reports
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102,810 miles · Aug 19, 2013
Service Brakes

WHILE MAINTAINING A SPEED OF APPROX. 40 MPH WITH MY FOOT ON THE ACCELERATOR, IT SUDDENLY FELT AS IF SOMEONE SLAMMED ON THE BRAKES. THIS ONLY HAPPENED ONCE ON THIS DATE. THE VEHICLE WAS TAKEN TO THE DEALERSHIP. THERE WERE NO CODES AND THEY COULD NOT DUPLICATE THE SITUATION. THEY CHECKED THE BRAKING SYSTEM THOROUGHLY BUT COULD N…

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WHILE MAINTAINING A SPEED OF APPROX. 40 MPH WITH MY FOOT ON THE ACCELERATOR, IT SUDDENLY FELT AS IF SOMEONE SLAMMED ON THE BRAKES. THIS ONLY HAPPENED ONCE ON THIS DATE. THE VEHICLE WAS TAKEN TO THE DEALERSHIP. THERE WERE NO CODES AND THEY COULD NOT DUPLICATE THE SITUATION. THEY CHECKED THE BRAKING SYSTEM THOROUGHLY BUT COULD NOT DETERMINE THE CAUSE OF MY ISSUE. ONE MONTH LATER (8/17/13), THE SAME "SEVERE UNINTENDED BRAKING" HAPPENED AGAIN, BUT THIS TIME IT HAPPENED THREE TIMES WITHIN 1/2-3/4 OF A MILE. FORTUNATELY, NO ONE WAS RIGHT BEHIND ME OR THEY WOULD HAVE HIT ME. I AM AFRAID TO DRIVE THIS VEHICLE AS I DON'T KNOW WHEN IT WILL SLAM ON THE BRAKES WITHOUT MY INVOLVEMENT. *TR

NHTSA ODI #10536034

45,661 miles · Aug 5, 2013
Air BagsEngineService BrakesCrashInjury

WHILE TURNING INTO A PARKING SPACE AND APPLYING MY BRAKES, THE ENGINE REVVED, BRAKES STOPPED RESPONDING AND THE VEHICLE PROPELLED FORWARD, RESULTING IN THE VEHICLE JUMPING A MEDIAN AND RAMMING INTO A TREE AT WHICH POINT THE AIRBAGS DEPLOYED AND ENGINE CUT-OFF. THIS LEFT ME WITH BURNS ON THE SKIN OF MY ARMS AND NECK AREA. I HAVE …

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WHILE TURNING INTO A PARKING SPACE AND APPLYING MY BRAKES, THE ENGINE REVVED, BRAKES STOPPED RESPONDING AND THE VEHICLE PROPELLED FORWARD, RESULTING IN THE VEHICLE JUMPING A MEDIAN AND RAMMING INTO A TREE AT WHICH POINT THE AIRBAGS DEPLOYED AND ENGINE CUT-OFF. THIS LEFT ME WITH BURNS ON THE SKIN OF MY ARMS AND NECK AREA. I HAVE OWNED AND DRIVEN THIS VAN FOR SIX YEARS AND AM CERTAIN THAT I WAS APPLYING THE BRAKE. THE VEHICLE HAD TO BE TOWED AS THE DRIVER SIDE SEATBELT WAS LEFT INOPERABLE. WE WERE TOLD BY OUR DEALERSHIP THAT THE SIDE AIR BAG HAD DEPLOYED WITHIN THE COLUMN, BUT DID NOT ENTER THE CABIN AS IT WAS NOT VISIBLE AND WAS CAUGHT WITHIN THE SEAT BELT PILLAR. *TR

NHTSA ODI #10533676

54,000 miles · Aug 4, 2013
Service BrakesCrash

I WAS DRIVING BEHIND SOMEONE THAT STOPPED SHORT AND I WENT TO HIT MY BRAKES AND FELT LIKE NOTHING WAS THERE!!! IT TURNED INTO A THREE CAR ACCIDENT WITH MY THREE CHILDREN, AGES 10, 2 AND 1. IT STOPPED VERY LIGHTLY. I ALSO FIND THAT I CAN'T STOP WHERE I INTEND TO AND THAT THE CAR CONTINUALLY ONLY LETS ME DO "ROLLING" STOPS. *TR

NHTSA ODI #10533534

800,000 miles · Jul 25, 2013
Service Brakes

I WAS JUST ENTERING HIGHWAY VIA RAMP AND ACCELERATING TO MERGE. AS SOON AS THE SPEED HIT APPROXIMATELY 55MPH, IT SUDDENLY PUT THE BRAKE AND DROPPED THE SPEED TO ABOUT 40MPH. EVERY TIME I TRIED TO GO BEYOND THE SPEED, IT SUDDENLY PUT THE BRAKE. I COULD NOT GET THE SPEED TO GO BEYOND 55MPH. IT WAS VERY DANGEROUS FOR ME AND ALSO…

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I WAS JUST ENTERING HIGHWAY VIA RAMP AND ACCELERATING TO MERGE. AS SOON AS THE SPEED HIT APPROXIMATELY 55MPH, IT SUDDENLY PUT THE BRAKE AND DROPPED THE SPEED TO ABOUT 40MPH. EVERY TIME I TRIED TO GO BEYOND THE SPEED, IT SUDDENLY PUT THE BRAKE. I COULD NOT GET THE SPEED TO GO BEYOND 55MPH. IT WAS VERY DANGEROUS FOR ME AND ALSO FOR THE OTHER DRIVERS AROUND ME. I EVENTUALLY PULLED OVER AND TURNED THE KEY OFF TO WAIT FOR ABOUT 5MINUTES AND THEN I STARTED THE CAR. THAT TIME, NO PROBLEM. THE EXACTLY SAME INCIDENT HAPPENED THREE OTHER TIMES RATHER RANDOMLY. EVERY TIME, I HAD TO PULL OVER AND WAIT FOR FEW MINUTES IT RESTART THE CAR. WHEN I MENTIONED IT TO ON THE PHONE TO HONDA SERVICE REPRESENTATIVE AT THE DEALER I BOUGHT THE CAR, HE JUST SAID THAT THE RECALL IS FOR PILOT ONLY AND THEY HAVE NO KNOWLEDGE OF THE ODYSSEY HAVING THIS ISSUE. SO, I AM ADDING MY NAME TO THE LIST OF COMPLAINS WITH THE HOPE THAT HONDA TAKES THIS SERIOUSLY. THANKS. *TR

NHTSA ODI #10531735

61,170 miles · Jul 24, 2013
Service Brakes

CAR BRAKES SPONTANEOUSLY SEVERAL TIMES. THE FIRST TIME THIS HAPPENED, I TOOK IT TO THE HONDA DEALERSHIP AND THEY SAID THE BRAKE LINE WAS CLOGGED. THEY CLEANED IT AND DID SOMETHING TO THE ROTORS, AND I HAD NO TROUBLE FOR A YEAR. THEN TODAY, 7/24/13, IT HAPPENED AGAIN SEVERAL TIMES ON MY WAY HOME. IT WAS REALLY SCARY BECAUSE I WAS…

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CAR BRAKES SPONTANEOUSLY SEVERAL TIMES. THE FIRST TIME THIS HAPPENED, I TOOK IT TO THE HONDA DEALERSHIP AND THEY SAID THE BRAKE LINE WAS CLOGGED. THEY CLEANED IT AND DID SOMETHING TO THE ROTORS, AND I HAD NO TROUBLE FOR A YEAR. THEN TODAY, 7/24/13, IT HAPPENED AGAIN SEVERAL TIMES ON MY WAY HOME. IT WAS REALLY SCARY BECAUSE I WAS GOING ABOUT 45-50 AND THE BRAKES JUST SLAMMED ON ALL BY THEMSELVES! I AM TAKING IT BACK TO DEALER TOMORROW, BUT SINCE THERE IS NO RECALL, I WILL HAVE TO PAY FOR IT AGAIN. *TR

NHTSA ODI #10531610

25,330 miles · Jul 18, 2013
Service Brakes

ON A RECENT VACATION WE FIRST NOTICED ON MODERATE DOWNHILL GRADES WITH VERY MODERATE BRAKING WHEELS WOULD START TO SHIMMY WITH SHAKING OF THE STEERING WHEEL. WITH A TOTAL RELEASE OF BRAKES, SHIMMY WOULD IMMEDIATELY STOP, AND NO WHEEL VIBRATIONS WOULD BE FELT. BRAKING ON FLAT AREAS OR IN CITY DRIVING NO VIBRATIONS ARE FELT, EVEN…

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ON A RECENT VACATION WE FIRST NOTICED ON MODERATE DOWNHILL GRADES WITH VERY MODERATE BRAKING WHEELS WOULD START TO SHIMMY WITH SHAKING OF THE STEERING WHEEL. WITH A TOTAL RELEASE OF BRAKES, SHIMMY WOULD IMMEDIATELY STOP, AND NO WHEEL VIBRATIONS WOULD BE FELT. BRAKING ON FLAT AREAS OR IN CITY DRIVING NO VIBRATIONS ARE FELT, EVEN WITH FAIRLY HARD BRAKING. DURING OUR TRIP THIS STARTED HAPPENING ON ALMOST EVERY DOWNHILL GRADE MAKING THE CAR VERY HARD TO CONTROL. RETURNED FROM OUR TRIP AND DROVE MOSTLY ON ROADS WHERE WE DO NOT HAVE MANY DOWNHILL GRADES AND DID NOT HAVE THE PROBLEM AGAIN, UNTIL RECENTLY WE TRAVELED ON AN INTERSTATE ROAD FROM A CITY APPROXIMATELY 50 FROM US THAT HAD SEVERAL DOWNHILL GRADES. ON EVERY SLIGHT DOWNHILL GRADE IF THE BRAKES WERE EVEN APPLIED VERY GENTLY, THE SHAKING AND STEERING WHEEL WOBBLE WOULD START IMMEDIATELY. BUT AGAIN WOULD NOT DO IT ON A LEVEL ROAD. THIS SHAKING AND VIBRATION MAKES THE CAR VERY DANGEROUS TO DRIVE. THE CAR WAS PURCHASED NEW AND NOW HAS ONLY 26333 MILES, AND HAS ONLY BEEN SERVICED BY A HONDA DEALER. EVERY TIME THE BRAKES WERE CHECKED FOR SERVICE EVERYTHING CHECKED OUT OK. THE BRAKES HAVE NEVER BEEN WORKED ON OR HAD ANY REPAIRS OF ANY SORT DONE ON THEM OR ANY RELATED PARTS. IT IS STILL IN COMPLETE FACTORY CONDITION. THIS IS A VERY SERIOUS PROBLEM AND COULD VERY EASILY CAUSE AN ACCIDENT, AND I KNOW THAT TAKING IT INTO A HONDA DEALERSHIP THEY WOULD SIMPLY TAKE IT AROUND THE BLOCK AND SAY EVERYTHING WAS FINE AND DO NOTHING. THIS REALLY PARALLELS MANY OF THE OTHER PEOPLE THAT HAVE COMPLAINED OF THE SAME PROBLEM WITH THIS CAR. *TR

NHTSA ODI #10525505

72,000 miles · Jul 17, 2013
Service Brakes

TL* THE CONTACT OWNS A 2007 HONDA ODYSSEY. THE CONTACT STATED THAT WHILE DRIVING 40 MPH, THE BRAKES ERRONEOUSLY ENGAGED AND THE VSA WARNING LIGHT ILLUMINATED. THE CONTACT ALSO STATED THAT THE FAILURE RECURRED NUMEROUS TIMES. THE VEHICLE WAS TAKEN TO A PRIVATE MECHANIC WHERE THE FAILURE COULD NOT BE REPLICATED. THE VEHICLE WAS NO…

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TL* THE CONTACT OWNS A 2007 HONDA ODYSSEY. THE CONTACT STATED THAT WHILE DRIVING 40 MPH, THE BRAKES ERRONEOUSLY ENGAGED AND THE VSA WARNING LIGHT ILLUMINATED. THE CONTACT ALSO STATED THAT THE FAILURE RECURRED NUMEROUS TIMES. THE VEHICLE WAS TAKEN TO A PRIVATE MECHANIC WHERE THE FAILURE COULD NOT BE REPLICATED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS CONTACTED ABOUT THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 72,000.

NHTSA ODI #10525311

92,000 miles · Jul 16, 2013
Service Brakes

ACCELERATING DOWN HWY AFTER MAKING U-TURN WHEN VEHICLE SUDDENLY SLOWS DOWN AS IF SLAMMING ON BRAKES-IT DID THIS A SECOND TIME APPROXIMATELY ONE MINUTE LATER. VSA LIGHT TURNED ON APPROXIMATELY 10 MINUTES LATER THAN 2ND SUDDEN SLOWDOWN. *TR

NHTSA ODI #10525274

49,437 miles · Jul 14, 2013
Service Brakes

THE CAR SEEMS TO BRAKE VERY SUDDENLY BY ABOUT 20 MILES PER HOUR. THIS HAPPENS WITHOUT TOUCHING THE BRAKES. THIS IS THE 10TH TIME IT HAS HAPPENED ON THE CAR SINCE 2009. *TR

NHTSA ODI #10524744

97,750 miles · Jul 10, 2013
Service Brakes

WHILE DRIVING ON THE HIGHWAY LETTING THE CAR COAST (MY FOOT WAS NOT ON THE BRAKES OR THE GAS PEDAL) THE CAR BRAKES WHEN ON BY THEM SELVES SUDDENLY. REDUCING THE SPEED FORM ROUGHLY 60MPH TO 30 MPH. I WAS NEARLY REAR ENDED BY THE CAR BEHIND ME ON THE HIGHWAY AS THERE WAS NO APPARENT FOR THE CAR'S SUDDEN BRAKING. THIS SAME THIN…

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WHILE DRIVING ON THE HIGHWAY LETTING THE CAR COAST (MY FOOT WAS NOT ON THE BRAKES OR THE GAS PEDAL) THE CAR BRAKES WHEN ON BY THEM SELVES SUDDENLY. REDUCING THE SPEED FORM ROUGHLY 60MPH TO 30 MPH. I WAS NEARLY REAR ENDED BY THE CAR BEHIND ME ON THE HIGHWAY AS THERE WAS NO APPARENT FOR THE CAR'S SUDDEN BRAKING. THIS SAME THING HAPPENED ON FOUR OCCASIONS WHILE DRIVING HOME FROM WORK. *TR

NHTSA ODI #10524078

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.