IllustrationDRIVING LONG DISTANCE (>100 MILES) CAR MAKES LOW BUZZING - WHINING NOISE. *TR
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 →How this year compares
Owner complaints by model year
Compare all Odyssey years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
1490–25K
15625–50K
12650–75K
7675–100K
105100–150K
60150K+
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
Steering complaints
109 reportsSTRONG PULLING/DRIFTING TO RIGHT. DRIVER MUST USE CONSTANT STRENGTH TO KEEP CAR DRIVING STRAIGHT OR WILL END UP IN THE NEXT LANE WITHIN ABOUT 6 SECONDS. CAN BE MORE DIFFICULT THAN USUAL TO KEEP VAN STEERING STRAIGHT WHEN LOOKING OVER SHOULDER TO SWITCH LANES. HAVE ACCIDENTALLY PULLED CLOSE TO OTHERS, CAUSING THEM TO HONK FOR …
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STRONG PULLING/DRIFTING TO RIGHT. DRIVER MUST USE CONSTANT STRENGTH TO KEEP CAR DRIVING STRAIGHT OR WILL END UP IN THE NEXT LANE WITHIN ABOUT 6 SECONDS. CAN BE MORE DIFFICULT THAN USUAL TO KEEP VAN STEERING STRAIGHT WHEN LOOKING OVER SHOULDER TO SWITCH LANES. HAVE ACCIDENTALLY PULLED CLOSE TO OTHERS, CAUSING THEM TO HONK FOR FEAR WE WERE COMING INTO THEIR LANE NEXT TO THEM. HAD VAN IN TO DEALERSHIP 4 TIMES AND THEY WILL ONLY CHECK TIRE POSITION, BRAND, TREAD, AND ALIGNMENT AND HAVE NOT FIXED THE PROBLEM. HUNDREDS OF OTHERS TALKING ABOUT THIS PROBLEM ONLINE WITH SAME LACK OF FIX FROM DEALERS. *TR
IN 2008, HAD MY 2007 HONDA ODYSSEY TOURING WAS SERVICED BY GILROY HONDA DUE TO A FAULTY POWER STEERING PUMP. AT THAT TIME, THEY HAD REPLACED THE FAULTY PUMP AS IT WAS FOUND TO BE CAUSING THE STICKY DRIVING DURING SLOW SPEEDS. THIS ISSUE IS NOT NOTICED ON HIGH SPEEDS SINCE THERE ARE NO BIG/WIDE TURNS NEEDED AT THAT SPEED. THE …
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IN 2008, HAD MY 2007 HONDA ODYSSEY TOURING WAS SERVICED BY GILROY HONDA DUE TO A FAULTY POWER STEERING PUMP. AT THAT TIME, THEY HAD REPLACED THE FAULTY PUMP AS IT WAS FOUND TO BE CAUSING THE STICKY DRIVING DURING SLOW SPEEDS. THIS ISSUE IS NOT NOTICED ON HIGH SPEEDS SINCE THERE ARE NO BIG/WIDE TURNS NEEDED AT THAT SPEED. THE VAN IS NORMALLY DRIVEN BY MY WIFE AND I SELDOM USE IT. I RECENTLY USED IT (2ND WEEK OF OCT '10) WHEN I HAVE TO TAKE THE VAN TO GILROY HONDA FOR A REGULAR SERVICE. DURING THAT TIME, I NOTICED A VERY STICKY STEERING AT LOW SPEEDS. VERY SIMILAR TO WHAT I NOTICED IN 2008. I ALSO NOTICED THAT AT LOW SPEEDS, IT TENDS TO PULL TOWARDS THE RIGHT. I ALSO NOTICE THAT IT IS VERY DIFFICULT TO GET OUT OF A TIGHT SPOT (LIKE IN A PARKING LOT) BECAUSE OF THIS. I WAS WORRIED ABOUT IT SINCE MY WIFE IS DRIVING IT EVERYTIME AND THAT SHE MIGHT HIT SOMETHING OR SOMEBODY DURING A SLOW MANEUVER. I COMPLAINED ABOUT IT TO GILROY HONDA BUT THEY SAID THEY WILL NOT REPLACE IT FOR ME AS IT IS NO LONGER UNDER WARRANTY. I ASKED WHETHER OR NOT THEY HAVE A RECALL ABOUT THIS BUT SAID NO. I THINK THIS HAS TO BE A SAFETY RECALL AS IT CAN LEAD TO CRASH OR EVEN WORSE INJURIES. *TR
TL*THE CONTACT OWNS A 2007 HONDA ODYSSEY. WHILE TRAVELING 5 MPH, THE CONTACT NOTICED THAT THE POWER STEERING WOULD SUDDENLY MALFUNCTION. THE VEHICLE WAS TAKEN TO THE DEALER WHO STATED THAT THE FAILURE COULD NOT BE REPRODUCED. THERE WERE NO PRIOR WARNINGS. THE CURRENT MILEAGE WAS 90000 AND THE FAILURE MILEAGE WAS 60000.
TL*THE CONTACT OWNS A 2007 HONDA ODYSSEY. THE CONTACT STATED THAT LEFT SIDE SLIDING DOOR AND THE RIGHT FRONT PASSENGER DOOR FAILED TO UNLOCK INTERMITTENTLY. SHE HAD TO CLIMB OVER TO THE OTHER SIDE OR TURN OFF THE VEHICLE AND RESTART IT TO GET OUT THE VEHICLE. ADDITIONALLY, SHE NOTICED REPEATED PROBLEMS WITH THE STEERING; THE VEH…
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TL*THE CONTACT OWNS A 2007 HONDA ODYSSEY. THE CONTACT STATED THAT LEFT SIDE SLIDING DOOR AND THE RIGHT FRONT PASSENGER DOOR FAILED TO UNLOCK INTERMITTENTLY. SHE HAD TO CLIMB OVER TO THE OTHER SIDE OR TURN OFF THE VEHICLE AND RESTART IT TO GET OUT THE VEHICLE. ADDITIONALLY, SHE NOTICED REPEATED PROBLEMS WITH THE STEERING; THE VEHICLE WOULD NOT HOLD AN ALIGNMENT AND WOULD DRIFT TO THE SIDE. ALSO, PERIODICALLY, THERE WAS A GRINDING NOISE WHEN SHE ATTEMPTED TO STOP, AS IF SHE WERE DRIVING ON GRAVEL. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALERSHIP SEVERAL TIMES WHERE THE TIRES WERE ROTATED AND ALIGNMENT WAS PERFORMED REGARDING THE SUSPENSION PROBLEM. THE DEALER ALSO INSTALLED A SEAL ON THE DOOR BUT THE FAILURE CONTINUED. IN REFERENCE TO THE BRAKE PROBLEM, THE DEALER COULD NOT DUPLICATE THE FAILURE BUT DID ATTEMPT REPAIRS WHICH DID NOT REMEDY THE PROBLEM. THE CONTACT CALLED THE MANUFACTURER WHO STATED THAT THEY COULD NOT ASSIST HER. CURRENT MILEAGE WAS APPROXIMATELY 36,950. THE FAILURE MILEAGE WAS APPROXIMATELY 20,500.
POWER STEERING IS NON-EXISTENT AT PARKING SPEEDS. WHILE PARKING, TURNING OR MANEUVERING AT VERY SLOW SPEEDS, THE ONLY WAY TO TURN THE CAR IS TO "MUSCLE" THE STEERING WHEEL AROUND. POWER STEERING ENGAGES AS SPEED INCREASES. MENTIONED NUMEROUS TIMES TO DEALER AND THEY CLAIM THAT IS THE WAY A VAN DRIVES. THE VEHICLE ALREADY WAS RE…
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POWER STEERING IS NON-EXISTENT AT PARKING SPEEDS. WHILE PARKING, TURNING OR MANEUVERING AT VERY SLOW SPEEDS, THE ONLY WAY TO TURN THE CAR IS TO "MUSCLE" THE STEERING WHEEL AROUND. POWER STEERING ENGAGES AS SPEED INCREASES. MENTIONED NUMEROUS TIMES TO DEALER AND THEY CLAIM THAT IS THE WAY A VAN DRIVES. THE VEHICLE ALREADY WAS REPAIRED FROM LACK OF OIL PLACED IN STEERING COLUMN WHEN IT WAS BUILT. LACK OF MANUFACTURER RESPONSE IS CONCERNING ME. MY FATHERS 2006 HAD SAME PROBLEM AND HE WAS TOLD HONDA USES A BIGGER"SCREEN" NOW SOMEWHERE IN THE STEERING PUMP AND IT IS A KNOWN PROBLEM. *TR
POWER STEERING LOSS AT LOW SPEEDS. *TR
2007 HONDA ODYSSEY PULLS HARD RIGHT AFTER RIGHT TURN AND HARD LEFT AFTER LEFT TURN. THIS IS A MAJOR DRIVING HAZARD AS THE VEHICLE HAS THE POTENTIAL TO PULL OFF THE ROAD VERY QUICKLY OR INTO OTHER VEHICLES IF THE STEERING IS NOT CONSTANTLY CORRECTED. I BOUGHT A USED CPO HONDA ODYSSEY IN AUGUST OF 2010, AND WE NOTICED THIS PULL…
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2007 HONDA ODYSSEY PULLS HARD RIGHT AFTER RIGHT TURN AND HARD LEFT AFTER LEFT TURN. THIS IS A MAJOR DRIVING HAZARD AS THE VEHICLE HAS THE POTENTIAL TO PULL OFF THE ROAD VERY QUICKLY OR INTO OTHER VEHICLES IF THE STEERING IS NOT CONSTANTLY CORRECTED. I BOUGHT A USED CPO HONDA ODYSSEY IN AUGUST OF 2010, AND WE NOTICED THIS PULLING PROBLEM RIGHT OFF THE LOT. ON A FLAT SURFACE AFTER A RIGHT OR LEFT TURN, THE VEHICLE WILL CHANGE LANES IN 3 SECONDS IF NOT CORRECTED. WE HAVE TAKEN THIS VEHICLE TO THE DEALERSHIP 2 TIMES, AND THEY TRIED MANY THINGS TO NO AVAIL (TIRE ROTATIONS, ALIGNMENT, TIRE DEFLATIONS, ETC...). I ASKED THEM TO CHECK THE SUSPENSION AND STRUTS BECAUSE A PERSON POSTED AN UNOFFICIAL FIX ONLINE THAT DEALS WITH IMPROPERLY ALIGNED STRUTS THAT WORKED. THE SERVICE ADVISOR CLAIMED THAT THEY REMOVED THE STRUTS AND THE PROBLEM WAS FIXED. HOWEVER, THE PROBLEM IS NOT FIXED, AND ACTUALLY THE PROBLEM SEEMS WORSE NOW. I AM PRETTY SURE THEY DID NOT REMOVE THE STRUTS AT ALL SINCE I REQUESTED TO SEE THE STRUTS WHEN THEY WERE REMOVED AND THEY DID NOT SHOW THEM TO ME AT ALL. THE SERVICE ADVISOR AND TWO TECHNICIANS EXPERIENCED THIS PROBLEM WHEN THEY RODE ALONG ON TEST DRIVES WITH ME, BUT THE ARE CLAIMING THAT THE ISSUE WELL WITHIN THE SPECS DEFINED BY HONDA. THEY CONTINUE TO EXCLAIM THAT THERE IS NOTHING ELSE THEY CAN DO. THERE HAS TO BE A WAY TO FIX THIS, BUT IT SEEMS THAT THEY DO NOT WANT TO SPEND THE MONEY TO FIX THE PROBLEM PROPERLY. MY CONCERN IS THAT THIS IS A MAJOR SAFETY HAZARD, AND I AM WORRIED THAT MY FAMILY OF FIVE MAY BE INVOLVED IN A CATASTROPHIC ACCIDENT BECAUSE THE PULLING PROBLEM IS SO BAD. PLEASE HELP MY FAMILY AND ALL THE OTHER HONDA ODYSSEY OWNERS WHO ARE HAVING THIS PULLING / ALIGNMENT PROBLEM GET A PROPER FIX BY ISSUING A RECALL THAT REQUIRES HONDA TO CONFESS TO THE ISSUE OFFICIALLY AND FIX THE PROBLEM ONCE AND FOR ALL BEFORE SOMETHING CATASTROPHIC HAPPENS. *TR
2007 HONDA ODYSSEY STEERING CONTINUALLY PULLS TO THE LEFT WHEN AT SPEEDS OVER 50 MPH. ISSUE HAS BEEN OCCURRING FOR THREE YEARS, SINCE I BOUGHT THE VAN NEW FROM HONDA DEALERSHIP. ISSUES HAS NOT BEEN CORRECTED OR RECOGNIZED TO DATE BY THE MANUFACTURER. *TR
VEHICLE HAD MEMORY STEER. WANDERED LEFT QUICKLY IF WHEEL IS NOT HELD TIGHTLY. MAY PULL RIGHT IF LAST TURN WAS TO THE RIGHT. HARD STEERING IN GENERAL. SORE WRISTS AFTER DRIVING 60 MINUTES ON FREEWAY DUE TO HOLDING ON TO WHEEL TIGHTLY TO STAY IN LANE ON FREEWAY. OWNED THE VAN LESS THAN 1 MONTH AT TIME OF TRAVEL. PURCHASED USED. TW…
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VEHICLE HAD MEMORY STEER. WANDERED LEFT QUICKLY IF WHEEL IS NOT HELD TIGHTLY. MAY PULL RIGHT IF LAST TURN WAS TO THE RIGHT. HARD STEERING IN GENERAL. SORE WRISTS AFTER DRIVING 60 MINUTES ON FREEWAY DUE TO HOLDING ON TO WHEEL TIGHTLY TO STAY IN LANE ON FREEWAY. OWNED THE VAN LESS THAN 1 MONTH AT TIME OF TRAVEL. PURCHASED USED. TWO ALIGNMENTS PERFORMED AND NO CHANGE. UPON FURTHER INSPECTION FOUND UPPER STRUT RUBBER COMPONENTS NOT CORRECTLY INSTALLED ON OEM STRUTS ON VEHICLE. DISASSEMBLED STRUTS AND RE-INSTALLED COIL SPRING RUBBER ON STRUTS CORRECTLY, REALIGNED TIRES AGAIN, AND PROBLEM SEEMS TO HAVE BEEN CORRECTED. NO NEW PARTS NEEDED TO CORRECT AS OLD PARTS WERE FUNCTIONAL BUT HAD NOT BEEN INSTALLED CORRECTLY ACCORDING TO HONDA TECHNICAL SERVICE MANUAL. *TR
Official recalls
414V112000 · 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
3PE13024 · 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.