NHTSA owner reports · September 18, 2026 snapshot.
Structure complaints
134 reportsClear category filter47,500 miles · Dec 6, 2010
Structure
TL* THE CONTACT OWNS A 2007 HONDA ODYSSEY. THE CONTACT STATED THAT THE REAR STRUT SUPPORT FOR THE REAR HATCHBACK FAILED WITHOUT WARNING. THE DEALER WAS CONTACTED AND BOTH REAR STRUT SUPPORTS WERE REPLACED. THE CONTACT DID NOT INFORM THE MANUFACTURER OF THE FAILURE. THE CURRENT MILEAGE WAS APPROXIMATELY 48,500 AND THE FAILURE…
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TL* THE CONTACT OWNS A 2007 HONDA ODYSSEY. THE CONTACT STATED THAT THE REAR STRUT SUPPORT FOR THE REAR HATCHBACK FAILED WITHOUT WARNING. THE DEALER WAS CONTACTED AND BOTH REAR STRUT SUPPORTS WERE REPLACED. THE CONTACT DID NOT INFORM THE MANUFACTURER OF THE FAILURE. THE CURRENT MILEAGE WAS APPROXIMATELY 48,500 AND THE FAILURE MILEAGE WAS APPROXIMATELY 47,500.
NHTSA ODI #10369366
8,000 miles · Oct 28, 2010
Structure
WHEN I TURN OR GO STRAIGHT, WITH AND WITHOUT BRAKES ON, AT A SLOW SPEED, I HEAR A LOUD HORN-LIKE SOUND. SEEMS TO BE COMING FROM FRONT. I ONLY HAVE ABOUT 21,000 MILES AND BOUGHT IT NEW. THIS PROBLEM HAS BEEN HAPPENING MOST OF THE TIME WE'VE OWNED IT (ALMOST 3 YEARS). DEALER CAN'T MAKE THE PROBLEM HAPPEN. I EVEN LEFT IT OVER…
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WHEN I TURN OR GO STRAIGHT, WITH AND WITHOUT BRAKES ON, AT A SLOW SPEED, I HEAR A LOUD HORN-LIKE SOUND. SEEMS TO BE COMING FROM FRONT. I ONLY HAVE ABOUT 21,000 MILES AND BOUGHT IT NEW. THIS PROBLEM HAS BEEN HAPPENING MOST OF THE TIME WE'VE OWNED IT (ALMOST 3 YEARS). DEALER CAN'T MAKE THE PROBLEM HAPPEN. I EVEN LEFT IT OVERNIGHT. IT USUALLY HAPPENS WHEN I LEAVE HOME. I MAKE SHORT TRIPS TO SCHOOL AND STORE. IT IS SPORADIC. I HEARD ANOTHER ODYSSEY WITH THE SAME NOISE PULLING INTO A PARKING SPOT THE OTHER DAY. IS THIS COMMON? IT IS ANNOYING AND EMBARRASSING. IT CAN BE QUITE LOUD. SINCE I'VE HAD THE RECALL DONE, IT'S NOT AS FREQUENT. *TR
NHTSA ODI #10362787
16,000 miles · Sep 15, 2010
Structure
BOTH REAR TAILGATE STRUTS HAD LEAKED FLUID, CAUSING AUTOMATIC TAILGATE TO OPEN BUT THEN SLAM SHUT RATHER THAN STAY OPEN. SERVICE ADVISOR EXPLAINED THAT THE PROBLEM ONLY BECAME EVIDENT AFTER BOTH OF THE STRUTS HAD FAILED BUT, UNTIL THEN, ONE FUNCTIONING STRUT MAY HAVE BEEN CONCEALING THE FAILURE OF THE OTHER. PROBLEM MANIFESTED A…
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BOTH REAR TAILGATE STRUTS HAD LEAKED FLUID, CAUSING AUTOMATIC TAILGATE TO OPEN BUT THEN SLAM SHUT RATHER THAN STAY OPEN. SERVICE ADVISOR EXPLAINED THAT THE PROBLEM ONLY BECAME EVIDENT AFTER BOTH OF THE STRUTS HAD FAILED BUT, UNTIL THEN, ONE FUNCTIONING STRUT MAY HAVE BEEN CONCEALING THE FAILURE OF THE OTHER. PROBLEM MANIFESTED AT 16,000 MILES, AND WAS LESS THAN TWO WEEKS OUT OF WARRANTY, BUT DEALERSHIP CHARGED ME TO REPLACE THE FAILED HATCH STRUTS. *TR
NHTSA ODI #10355676
38,000 miles · Aug 24, 2010
Structure
2007 HONDA ODYSSEY VAN. WE NOTICED TWO SMALL STAINS ON THE CARPET IN THE REAR STORAGE AREA, WHERE THE 3RD ROW SEATS CAN BE STORED. WE TRIED TO CLEAN THE CARPET WITH RESOLVE, BUT THAT MADE THE STAINS BIGGER. WHEN WE VACUUMED THE CARPET, WE FOUND AN OILY RESIDUE WITH THE CONSISTENCY OF LITHIUM GREASE IN THE VACUUM ATTACHMENT. …
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2007 HONDA ODYSSEY VAN. WE NOTICED TWO SMALL STAINS ON THE CARPET IN THE REAR STORAGE AREA, WHERE THE 3RD ROW SEATS CAN BE STORED. WE TRIED TO CLEAN THE CARPET WITH RESOLVE, BUT THAT MADE THE STAINS BIGGER. WHEN WE VACUUMED THE CARPET, WE FOUND AN OILY RESIDUE WITH THE CONSISTENCY OF LITHIUM GREASE IN THE VACUUM ATTACHMENT. WE REMOVED THE REAR SEATS AND FOLDED THE CARPETING BACK. THERE'S A GRAY PANEL OF SOUNDPROOFING OR SOMETHING ELSE AT THE BOTTOM OF THE CARGO AREA, AND THAT PANEL IS DISINTEGRATING, LEAVING BEHIND A TARRY RESIDUE. THE TARRY RESIDUE IS WHAT REACHED UP THROUGH THE CARPET TO CAUSE THE STAIN. I DON'T KNOW WHY THE PANEL ITSELF IS DISINTEGRATING. WE PURCHASED THE CAR USED FROM A DEALER IN APRIL 2010, AND FIRST NOTICED THE PROBLEM IN JULY 2010. *TR
NHTSA ODI #10351590
13,000 miles · Aug 16, 2010
EquipmentStructure
I HAVE A 2007 EX WITH 13,000 MILES AND BOTH OF THE TAILGATE (HATCH) STRUTS JUST FAILED SUDDENTLY ON 08/15/2010. THERE SHOULD BE SOME ADDITIONAL SAFETY MECHANISM ON THESE SO THAT THEY JUST DON'T COLLAPSE AND CAUSE HARM (THE HATCH ALMOST SLAM MY 7-YEARS OLD SON ON THE HEAD). BOTH CAN NOT GO BAD AT ONE TIME AND EITHER ONE SHOULD SU…
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I HAVE A 2007 EX WITH 13,000 MILES AND BOTH OF THE TAILGATE (HATCH) STRUTS JUST FAILED SUDDENTLY ON 08/15/2010. THERE SHOULD BE SOME ADDITIONAL SAFETY MECHANISM ON THESE SO THAT THEY JUST DON'T COLLAPSE AND CAUSE HARM (THE HATCH ALMOST SLAM MY 7-YEARS OLD SON ON THE HEAD). BOTH CAN NOT GO BAD AT ONE TIME AND EITHER ONE SHOULD SUPPORT SOME WEIGHT. IT IS QUITE DANGEROUS. THESE LIFTGATE STRUTS SHOULD BE RECALLED BEFORE BAD THINGS HAPPEN. HONDA SHOULD STAND BEHIND WHAT THEY PUT IN THESE CARS. *TR
NHTSA ODI #10349643
20,896 miles · Aug 9, 2010
Structure
REAR LIFTGATE STRUTS ON 2007 HONDA ODYSSEY EXPERIENCED SUDDEN FAILURE CAUSING THE REAR LIFTGATE TO SUDDENLY CLOSE ON PERSON STANDING BENEATH. SATURDAY 08/07 LIFTGATE WAS FUNCTIONING PROPERLY, LIFTED AND CLOSED NO ISSUES. SUNDAY 08/08 OPENED THE LIFTGATE AND PROCEEDED UNDERNEATH AS THE LIFTGATE CAME CRASHING DOWN. NO LONGER H…
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REAR LIFTGATE STRUTS ON 2007 HONDA ODYSSEY EXPERIENCED SUDDEN FAILURE CAUSING THE REAR LIFTGATE TO SUDDENLY CLOSE ON PERSON STANDING BENEATH. SATURDAY 08/07 LIFTGATE WAS FUNCTIONING PROPERLY, LIFTED AND CLOSED NO ISSUES. SUNDAY 08/08 OPENED THE LIFTGATE AND PROCEEDED UNDERNEATH AS THE LIFTGATE CAME CRASHING DOWN. NO LONGER HAS STRUT ASSIST TO OPEN OR SUPPORT LIFTGATE IN OPEN POSITION. STRUTS ARE MANUFACTURED BY STABILUS PART # 6826UR 0810N 251/06 A5 ALSO HAS THIS NUMBER 74820-SHJ-A012. THERE IS A SAFETY RECALL FOR THIS EXACT ISSUE IN THE 2005 HONDA ODYSSEY NHTSA ACTION NUMBER EA08015. CONTACTED DEALER AND SCHEDULED AN APPOINTMENT TO FIX - AT MY OWN EXPENSE - AS THERE IS NO RECALL NOTICE FOR THE 2007 SUDDEN STRUT FAILURE. *TR
NHTSA ODI #10348094
37,105 miles · Jul 15, 2010
Structure
TL* THE CONTACT OWNS A 2007 HONDA ODYSSEY. THE CONTACT STATED THAT THE STRUTS THAT HOLD THE REAR LIFT GATE HATCH FAILED AND THE LIFT GATE WOULD NO LONGER HOLD IN THE UPRIGHT POSITION. THE DEALER WAS NOT CONTACTED AND THE VEHICLE WAS NEITHER DIAGNOSED NOR REPAIRED. THE FAILURE AND CURRENT MILEAGES WERE 37,105.
NHTSA ODI #10343422
2,500 miles · Jul 13, 2010
StructureInjury
MECHANICAL SLIDING SIDE DOORS 1) WHEN PARKED ON A HILL, FRNT END DWNHILL THE SLIDING DOOR OPENS ALL OF THE WAY THEN SLAMS FORWARD FRM 4 TO 6 INCHES BACK TOWARD THE FRNT JAM, THE FORCE WILL KNOCK A CHILD DOWN 2) THE DOOR DOES NOT HAVE A SENSOR ( LIKE AN ELEVATOR) THAT SOMETHING OR SOMEONE MIGHT BE N ITS PATH WHEN CLOSING & I…
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MECHANICAL SLIDING SIDE DOORS 1) WHEN PARKED ON A HILL, FRNT END DWNHILL THE SLIDING DOOR OPENS ALL OF THE WAY THEN SLAMS FORWARD FRM 4 TO 6 INCHES BACK TOWARD THE FRNT JAM, THE FORCE WILL KNOCK A CHILD DOWN 2) THE DOOR DOES NOT HAVE A SENSOR ( LIKE AN ELEVATOR) THAT SOMETHING OR SOMEONE MIGHT BE N ITS PATH WHEN CLOSING & IT WILL CLOSE ON ANYTHING OR ANYONE IN ITS PATH WHEN CLOSING. MY CHILD GOT HER ARM CRUSHED BTWN THE DOOR & THE JAM WHEN THE DOOR CLOSED ON HER. I HAD OPENED THE DOOR W/ THE REMOTE, I REACHED N & THE DOOR BEGAN TO CLOSE B4 I COULD BACK OUT & CRUSHED ME BETWN THE DOOR & THE JAM, EVEN AFTER MAKING CONTACT W/ MY BODY IT CONTINUED TO CRUSH ME, THE ONLY WAY N BOTH INSTANCES TO STOP THE DOOR FRM CRUSHING MY 4YR OLD'S ARM FRM HER BODY & IT DOING I HAVE NO IDEA THE EXTENT OF WHAT IT WOULD HAVE DONE TO ME, WAS TO GET 2 THE MANUAL HANDLE NSIDE THE DOOR. THE REMOTE WILL NOT STOP IT & THE DASHBOARD BUTTON WILL NOT STOP IT. THE RE OTE DOES NOT HAVE AN OPEN & SHUT BUTTON FOR THE DOOR. REMOTE BUTTONS ARE A MINOR POINT, THE DOORS NEED SENSORS. THE CHALLENGES W/ THE DOORS NOT HAVING SENSORS TO STOP THEM & 1BUTTON OPEN/CLOSE ON THE REMOTE R ISSUES WE DEAL W/ ON A FREQUENT BASIS. MY DAUGHTER & I R NOT THE ONLY ONES WHO HAVE BEEN CRUSHED N THE DOORS. WE HAVE HAD OTHER CHILDREN EVEN OUR 65 YR OLD GRANDMOTHER HAS BEEN CRUSHED N THEM. *TR
NHTSA ODI #10342922
5,000 miles · Jul 11, 2010
StructureInjury
CLOSED BACK TAILGATE/DOOR/HATCH FROM INSIDE THE VEHICLE USING THE HANDLE LOCATED ON THE INSIDE IF THE UNIT. THE HANDLE IS LOCATED SO LOW ON THE REAR DOOR MY HAND BECAME LODGED BETWEEN THE DOOR & THE JAM, THERE IS NO SAFETY RELEASE INSIDE THE DOOR TO OPEN IT FROM INSIDE TRAPPING MY HAND. THE TOURING MODEL IS THE ONLY MODEL WITH …
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CLOSED BACK TAILGATE/DOOR/HATCH FROM INSIDE THE VEHICLE USING THE HANDLE LOCATED ON THE INSIDE IF THE UNIT. THE HANDLE IS LOCATED SO LOW ON THE REAR DOOR MY HAND BECAME LODGED BETWEEN THE DOOR & THE JAM, THERE IS NO SAFETY RELEASE INSIDE THE DOOR TO OPEN IT FROM INSIDE TRAPPING MY HAND. THE TOURING MODEL IS THE ONLY MODEL WITH A REAR DOOR OPENER ON THE REMOTE BUT THE INTERIOR HANDLE IS STILL LOCATED SO LOW ON THE REAR DOOR THE SAME SITUATION OCCURS. *TR
NHTSA ODI #10342506
50,000 miles · Jun 28, 2010
Structure
REAR TAILGATE STRUTS FAIL ON 2007 HONDA ODYSSEY, CAUSING TAILGATE TO SUDDENLY CRASH DOWN. CHILDREN WERE IN THE VICINITY AND COULD HAVE BEEN KILLED. I TOOK THE CAR TO A HONDA DEALER, AND THE DEALER SAID IT IS A COMMON PROBLEM. THERE ARE ALSO MANY INSTANCES OF THIS PROBLEM MENTIONED ON VARIOUS INTERNET SITES. THE 2005 ODYSSEY HA…
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REAR TAILGATE STRUTS FAIL ON 2007 HONDA ODYSSEY, CAUSING TAILGATE TO SUDDENLY CRASH DOWN. CHILDREN WERE IN THE VICINITY AND COULD HAVE BEEN KILLED. I TOOK THE CAR TO A HONDA DEALER, AND THE DEALER SAID IT IS A COMMON PROBLEM. THERE ARE ALSO MANY INSTANCES OF THIS PROBLEM MENTIONED ON VARIOUS INTERNET SITES. THE 2005 ODYSSEY HAS BEEN RECALLED FOR A SIMILAR PROBLEM. IF SOMEONE HAS NOT BEEN KILLED ALREADY, SOMEONE WILL BE KILLED IF THIS ISSUE IS NOT SOON ADDRESSED ON A LARGE SCALE. *TR
NHTSA ODI #10340480
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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