NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
830 reports27,000 miles · Jan 9, 2009
Service Brakes, HydraulicCrashInjury
JANUARY 5TH, 2009 I WAS INVOLVED IN AN ACCIDENT THAT I BELIEVE WAS DIRECTLY LINKED TO THE BRAKE ISSUE WITH MY 2007 HONDA ODYSSEY. I HAVE PREVIOUSLY REPORTED THE "SOFT AND MUSHY" BRAKES TO THIS SITE AND TO THE LOCAL HONDA DEALER MULTIPLE TIMES. ON THE EVENING OF THE ACCIDENT, I SHOULD HAVE HAD PLENTY OF TIME TO STOP AFTER THE P…
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JANUARY 5TH, 2009 I WAS INVOLVED IN AN ACCIDENT THAT I BELIEVE WAS DIRECTLY LINKED TO THE BRAKE ISSUE WITH MY 2007 HONDA ODYSSEY. I HAVE PREVIOUSLY REPORTED THE "SOFT AND MUSHY" BRAKES TO THIS SITE AND TO THE LOCAL HONDA DEALER MULTIPLE TIMES. ON THE EVENING OF THE ACCIDENT, I SHOULD HAVE HAD PLENTY OF TIME TO STOP AFTER THE PANIC STOP OF A CAR IN FRONT OF ME, DUE TO ANOTHER TURNING DRIVER. HOWEVER, THE BRAKES WENT TO THE FLOOR AND DID NOT STOP THE VAN IN TIME. THIS CAUSED AN ACCIDENT WHERE I REAR-ENDED THE DRIVER IN FRONT OF ME CAUSING MAJOR DAMAGE TO HER CAR AND MINE WITH MY AIRBAG DEPLOYING. THE ISSUE WITH THE BRAKES HAS BEEN ONE THAT I HAVE COMPLAINED ABOUT TO MULTIPLE HONDA DEALERS AND THEY HAVE IGNORED, ALWAYS SAYING THAT THEY WERE WITHIN NORMAL LIMITS. I HAVE DRIVEN VANS FOR 17 YEARS AND HAVE NEVER HAD THE BRAKING PROBLEMS WITH ANY OTHERS. THERE WAS NO REASON FOR THIS ACCIDENT TO HAPPEN OTHER THAN SOFT AND WEAK BRAKES THAT INTERMITTENTLY DO NOT STOP THE VEHICLE. WE ARE CONTACTING THE HONDA BODY SHOP THAT HAS THE VAN AND MAKING SURE THEY ARE DOING A COMPLETE INSPECTION ON THE BRAKING SYSTEM AGAIN. PLEASE DO SOMETHING ABOUT THIS ISSUE BEFORE MORE PEOPLE ARE HURT OR KILLED. *TR
NHTSA ODI #10254421
23,000 miles · Dec 26, 2008
Latches/locks/linkages
TL*THE CONTACT OWNS A 2007 HONDA ODYSSEY. WHILE DRIVING VARIOUS SPEEDS ON THE FREEWAY, THE REAR DRIVER'S SIDE SLIDING DOOR FLEW OPEN. THERE WAS NO INDICATION THAT SHOWED THAT HER DOOR WAS OPEN. A FEW WEEKS PRIOR TO THE FAILURE, THE CONTACT WENT TO CLOSE THE SLIDING DOORS AND IT TOOK AT LEAST A HALF HOUR FOR THEM TO CLOSE AND …
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TL*THE CONTACT OWNS A 2007 HONDA ODYSSEY. WHILE DRIVING VARIOUS SPEEDS ON THE FREEWAY, THE REAR DRIVER'S SIDE SLIDING DOOR FLEW OPEN. THERE WAS NO INDICATION THAT SHOWED THAT HER DOOR WAS OPEN. A FEW WEEKS PRIOR TO THE FAILURE, THE CONTACT WENT TO CLOSE THE SLIDING DOORS AND IT TOOK AT LEAST A HALF HOUR FOR THEM TO CLOSE AND LOCK. THE DEALER COULD NOT FIND ANY FAILURES WITH THE VEHICLE. THE FAILURE MILEAGE WAS 23,000.
NHTSA ODI #10252847
11,000 miles · Dec 8, 2008
Equipment
MY 2007 HONDA ODYSSEY'S AIR CONDITIONING STOPPED WORKING, THE VAN HAS ONLY 11,000 MILES ON IT. I TOOK THE VAN TO THE DEALER FOR SERVICE AND WAS TOLD THAT A ROCK HAD HIT THE AC CONDENSER AND THAT IT WAS NOT COVERED BY WARRANTY. I FEEL THAT THEIR ASSESSMENT OF THE ROOT CAUSE OF THE PROBLEM TO BE VERY SUBJECTIVE, JUST HOW DO T…
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MY 2007 HONDA ODYSSEY'S AIR CONDITIONING STOPPED WORKING, THE VAN HAS ONLY 11,000 MILES ON IT. I TOOK THE VAN TO THE DEALER FOR SERVICE AND WAS TOLD THAT A ROCK HAD HIT THE AC CONDENSER AND THAT IT WAS NOT COVERED BY WARRANTY. I FEEL THAT THEIR ASSESSMENT OF THE ROOT CAUSE OF THE PROBLEM TO BE VERY SUBJECTIVE, JUST HOW DO THEY KNOW THAT A ROCK CAUSED THE PROBLEM WITH NO VISIBLE DAMAGE.. I WAS TOLD THE PART WOULD COST $800.00 AND IT WOULD BE ORDERED. I HAVE SINCE FOUND OUT THAT THIS IS A FREQUENT PROBLEM THAT IS PROBABLY DUE TO FAULTY DESIGN. I FEEL HONDA SHOULD BE RESPONSIBLE FOR THE COST OF REPAIRS AND DO A CORRECTIVE ACTION RECALL ON THIS VEHICLE. *TR
NHTSA ODI #10251121
5,000 miles · Nov 13, 2008
Service Brakes, Hydraulic
THIS IS TO PROMPT AN INVESTIGATE OF 2007 HONDA ODYSSEY BRAKE PROBLEM. I HAVE HAD TO BRING OUR 2007 HONDA ODYSSEY BACK TO THE DEAL FOR REPAIR BECAUSE OF BRAKE PEDAL IS VERY VERY SOFT. MY ODYSSEY HAS 6000 MILES ON THIS ONLY AND I BRING IT BACK THREE TIMES ALREADY. I TRULY FEEL THE BRAKING SYSTEM IS NOT SAFE EVEN AFTER THE THIRD TI…
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THIS IS TO PROMPT AN INVESTIGATE OF 2007 HONDA ODYSSEY BRAKE PROBLEM. I HAVE HAD TO BRING OUR 2007 HONDA ODYSSEY BACK TO THE DEAL FOR REPAIR BECAUSE OF BRAKE PEDAL IS VERY VERY SOFT. MY ODYSSEY HAS 6000 MILES ON THIS ONLY AND I BRING IT BACK THREE TIMES ALREADY. I TRULY FEEL THE BRAKING SYSTEM IS NOT SAFE EVEN AFTER THE THIRD TIME. THE DEAL DID REPLACE SOME MODUALS ON THE ANTI LOCKING SYSTEM. BUT THE ODYSSEY BRAKE STILL NOT VERY FIRM AND I AM AFRAID THAT IT WILL NOT STOP IN TIME. *TR
NHTSA ODI #10248699
18,000 miles · Nov 11, 2008
Service Brakes, Hydraulic
WHILE PULLING INTO A PARKING SPOT WITH A VERY SLIGHT DOWNHILL GRADE I APPLIED THE BRAKES, WHICH SEEMED TO HAVE LITTLE EFFECT ON STOPPING THE VEHICLE COMPLETELY. I PUSHED VERY HARD ONTO THE BRAKE PEDAL AND WAS ABLE TO GET THE VEHICLE STOPPED BEFORE HITTING THE SUV PARKED IN FRONT OF ME. ONLY THEN DID I HEAR THAT THE MOTOR WAS RE…
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WHILE PULLING INTO A PARKING SPOT WITH A VERY SLIGHT DOWNHILL GRADE I APPLIED THE BRAKES, WHICH SEEMED TO HAVE LITTLE EFFECT ON STOPPING THE VEHICLE COMPLETELY. I PUSHED VERY HARD ONTO THE BRAKE PEDAL AND WAS ABLE TO GET THE VEHICLE STOPPED BEFORE HITTING THE SUV PARKED IN FRONT OF ME. ONLY THEN DID I HEAR THAT THE MOTOR WAS REVVED UP. UPON RELEASING THE BRAKES THE MOTOR RETURNED BACK TO IDLE. I, AT THAT POINT, REALIZED THAT I WAS INADVERTENTLY PUSHING ON THE ACCELERATOR WHILE APPLYING THE BRAKES, WITH THE SAME FOOT SIMULTANEOUSLY (RIGHT FOOT). I HAVE BEEN DRIVING FOR 29 YEARS AND HAVE NEVER HAD THIS HAPPEN BEFORE. UPON DOING MY OWN INVESTIGATING, I REALIZED THAT WITH THE PROXIMITY OF THE BRAKE PEDAL TO THE ACCELERATOR IT WAS POSSIBLE TO BRIDGE THE DISTANCE AND APPLY BOTH AT THE SAME TIME. MORE IMPORTANTLY, I DISCOVERED THAT THE BRAKE PEDAL TRAVEL EASILY ALLOWED THE BRAKE PEDAL TO PASS THE ACCELERATOR IDLE POSITION, ESPECIALLY WHEN APPLYING THE BRAKES WITH MORE FORCE. I LOOKED AT MY OTHER CARS AND NONE OF THEM WOULD EVER ALLOW THIS SITUATION TO HAPPEN, THE BRAKE PEDAL NEVER PASSES THE ACCELERATOR IDLE POSITION. I NOW UNDERSTOOD WHAT HAD HAPPENED TO ME AND FEEL THAT IT IS A DANGEROUS SAFETY DEFECT. THE MORE YOU PUSH ON THE BRAKES TO STOP THE MORE YOU COULD UNKNOWINGLY PUSH ON THE ACCELERATOR. *TR
NHTSA ODI #10248490
Mileage unknown · Nov 6, 2008
Tires
2007 HONDA MINI VAN HAS A ROARING SOUND FROM THE TIRES. *NJ
NHTSA ODI #10248152
5,280 miles · Nov 4, 2008
Service Brakes, Hydraulic
BRAKE PEDAL GOES HALFWAY TO FLOOR BEFORE IT STARTS SLOWING DOWN. SERVICE MANAGER AT RED RIVER HONDA IN DENISON,TX SAID THAT THE ABS MODULE WAS BYPASSING. THEY REPLACED IT TWICE WITH NO IMPROVEMENT. I WAS THEN TOLD BY THE SERVICE MANAGER THAT HONDAS SEEMED TO HAVE WEAK BRAKES. *TR
NHTSA ODI #10247659
14,850 miles · Oct 14, 2008
Engine And Engine Cooling
SMALL ROCK PENETRATED THE A/C CONDENSER. *TR
NHTSA ODI #10245471
15,000 miles · Oct 9, 2008
Service Brakes, Hydraulic
2007 HONDA ODYSSEY LX BRAKES DO NOT STOP VEHICLE QUICKLY ENOUGH. DANGEROUS. MY WIFE COASTED THROUGH AN INTERSECTION WHILE APPLYING ALL THE PRESSURE SHE COULD TO BRAKES. HAS BEEN TO DEALER AND THEY SAY HONDA DENIES THERE IS A PROBLEM. I HAVE READ ONLINE THAT THIS VEHICLE HAS BRAKE PROBLEMS DUE TO ABS AND MASTER CYLINDER ISSUE…
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2007 HONDA ODYSSEY LX BRAKES DO NOT STOP VEHICLE QUICKLY ENOUGH. DANGEROUS. MY WIFE COASTED THROUGH AN INTERSECTION WHILE APPLYING ALL THE PRESSURE SHE COULD TO BRAKES. HAS BEEN TO DEALER AND THEY SAY HONDA DENIES THERE IS A PROBLEM. I HAVE READ ONLINE THAT THIS VEHICLE HAS BRAKE PROBLEMS DUE TO ABS AND MASTER CYLINDER ISSUES, AND ALSO DUE TO POOR STOCK BRAKE PADS. BUT HONDA APPARENTLY DENIES ANY ISSUES. THIS VEHICLE IS DANGEROUS. *TR
NHTSA ODI #10244969
13,500 miles · Oct 4, 2008
Fuel System, Gasoline
WE BOUGHT A USED 2007 HONDA ODYSSEY WITH 13,385 MILES ON IT FROM SOUTHWEST HONDA IN AMARILLO TEXAS. OUR MAJOR BUYING POINT WAS THE MPG. THE STICKER SHOWED US 19CITY/26HIGHWAY. I KNOW THIS CAN BE OFF BY A FEW MILES AND HENCE THE TINY PRINT THAT SAYS IT CAN BE A LOW OF 16/22. AND BOY WOULD I BE GLAD IF I WAS GETTING 16! I DO…
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WE BOUGHT A USED 2007 HONDA ODYSSEY WITH 13,385 MILES ON IT FROM SOUTHWEST HONDA IN AMARILLO TEXAS. OUR MAJOR BUYING POINT WAS THE MPG. THE STICKER SHOWED US 19CITY/26HIGHWAY. I KNOW THIS CAN BE OFF BY A FEW MILES AND HENCE THE TINY PRINT THAT SAYS IT CAN BE A LOW OF 16/22. AND BOY WOULD I BE GLAD IF I WAS GETTING 16! I DO ALMOST ALL OF MY DRIVING IN TOWN AND WAS REALLY SURPRISED THE FIRST TIME I HAD TO ALREADY FILL IT UP WITH JUST OVER 200 MILES ON IT! I THOUGHT IT WAS BAD GAS SO TRIED IT A COUPLE MORE TIMES WITH HIGH OCTANE GAS AND STILL THE SAME. THE VAN WAS AT BEST GETTING 9MPG IN TOWN! ( WHEN WE ARE ON THE HIGHWAY IT GETS WHAT THE STICKER SAYS.) I EVEN STARTED TO DRIVE AS CAREFULLY/SLOWLY AS POSSIBLE TO SEE IF ANY CHANGES AND HAD NONE. WE DECIDED TO DRIVE 2 HOURS BACK TO THE DEALERSHIP TO HAVE THEM CHECK IT OUT B/C SOMETHING HAD TO BE WRONG. SINCE WE DIDN'T HAVE ANY WARNING LIGHTS THERE WAS NOT A LOT THE MECHANICS SAID THEY COULD TROUBLESHOOT. THEY PRETTY MUCH HOOKED UP A MACHINE AND DROVE IT AROUND TOWN. THEIR MACHINE SAID WE GOT 12 TO 13 MPG, STILL NOT WHAT THEY CLAIM IT SHOULD BE GETTING BUT AT THIS POINT I WOULD BE HAPPY WITH THAT! THEY SAID THEY CHECKED THE OIL, FUEL INJECTORS , MADE SURE WE WERE PUTTING THE RIGHT KIND OF GAS IN. THEY PRINTED OFF HOW TO CALCULATE MPG, WHICH WE ALREADY KNEW AND SENT US ON OUR MERRY LITTLE WAY TO THE GAS PUMPS! THESE CAR COMPANIES NEED TO BE HELD ACCOUNTABLE FOR THE ESTIMATED MPG AND IF A VEHICLE DOES NOT FALL WITHIN THOSE ESTIMATIONS THE CUSTOMER SHOULD AT LEAST BE REFUNDED THE EXTRA AMOUNT THEY ARE HAVING TO PAY FOR GAS. WITH GAS PRICES GOING UP THERE NEEDS TO BE MORE ACCOUNTABILITY B/C THIS IS THE MAJOR REASON PEOPLE ARE BUYING DIFFERENT VEHICLES RIGHT NOW. WHO AND WHAT IS MAKING SURE THESE MPG ARE NOT BOGUS SO CUSTOMERS AREN'T GETTING TAKEN ADVANTAGE OF. THERE NEEDS TO BE CUSTOMER PROTECTION ON SOMETHING LIKE THIS. *TR
NHTSA ODI #10244371
Official recalls
4Mar 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).
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.
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.
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.
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