NHTSA owner reports · September 18, 2026 snapshot.
Power Train complaints
87 reportsClear category filter97,000 miles · Dec 9, 2010
Power Train
TL*THE CONTACT OWNS A 2006 HONDA ODYSSEY. WHILE DRIVING APPROXIMATELY 40 MPH, THE CONTACT HEARD A SHUTTERING NOISE AND THE VEHICLE BEGAN VIBRATING. THE FAILURE OCCURRED WHEN THE CONTACT DROVE BETWEEN 30-40 MPH. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE THE CONTACT WAS INFORMED THAT THE TORQUE CONVERTER NEEDED TO BE REP…
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TL*THE CONTACT OWNS A 2006 HONDA ODYSSEY. WHILE DRIVING APPROXIMATELY 40 MPH, THE CONTACT HEARD A SHUTTERING NOISE AND THE VEHICLE BEGAN VIBRATING. THE FAILURE OCCURRED WHEN THE CONTACT DROVE BETWEEN 30-40 MPH. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE THE CONTACT WAS INFORMED THAT THE TORQUE CONVERTER NEEDED TO BE REPLACED. THE VEHICLE HAD NOT BEEN REPAIRED. THE CURRENT AND FAILURE MILEAGES WERE APPROXIMATELY 97,000. THE VIN WAS UNAVAILABLE.
NHTSA ODI #10369737
63,000 miles · Oct 16, 2010
Engine And Engine CoolingPower Train
2006 HONDA ODYSSEY BOUGHT USED W/ APPROX 61,000 MILES AND 60,000 MILE EXTENDED WARRANTY, PURCHASED LAST WEEK OF JULY 2010, BREAKDOWN 10/6/2010. HAD SHAKE WHILE DRIVING AND WAS SERVICED, FOUND TO HAVE PROBLEM WITH TRANSMISSION, TRANSMISSION FLUID CHANGED AND PROBLEM RESOLVED. CAR WAS DRIVEN PART WAY ACROSS COUNTRY, 1200 MILES, IN…
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2006 HONDA ODYSSEY BOUGHT USED W/ APPROX 61,000 MILES AND 60,000 MILE EXTENDED WARRANTY, PURCHASED LAST WEEK OF JULY 2010, BREAKDOWN 10/6/2010. HAD SHAKE WHILE DRIVING AND WAS SERVICED, FOUND TO HAVE PROBLEM WITH TRANSMISSION, TRANSMISSION FLUID CHANGED AND PROBLEM RESOLVED. CAR WAS DRIVEN PART WAY ACROSS COUNTRY, 1200 MILES, IN THE NEXT 10 DAYS, ALL HIGHWAY MILES. 20 MINUTES AFTER STOPPING FOR LUNCH, WHILE CRUISING ON HIGHWAY @ 70 MPH, CAR HAD INTERMITTENT CLICKING NOISE COMING FROM DRIVER'S SIDE ENGINE COMPARTMENT. NO WARNING LIGHTS WERE ON @ THIS TIME AND TEMP READING WAS NORMAL. MY HUSBAND TOOK CAR OFF CRUISE CONTROL, NOISE STOPPED, HE ATTEMPTED TO PASS ANOTHER VEHICLE, CAR LOST ALL ACCELERATION, CHECK ENGINE LIGHT BLINKED A COUPLE TIMES, HE SLOWED, STARTED SAFELY MOVING TO SHOULDER, CLICKING STARTED, CHECK ENGINE LIGHT CAME ON SOLID, TEMP GAUGE SPIKED TO RED, CARON SHOULDER, NO POWER. FROM FIRST CLICKING NOISE TO ENGINE FAILURE AND FIRST WARNING LIGHT WAS APPROX 1 MINUTE. DEALER FOUND CAR TO HAVE CRACKED ENGINE, MELTED RADIATOR, BLOWN HEAD GASKET, NO COOLANT OR OIL IN ENGINE. NO ORIGINAL SOURCE FOR BREAKDOWN COULD BE FOUND EVEN AFTER COMPLETE ENGINE TEARDOWN. HEAD GASKET WAS NOT CAUSE OF BREAKDOWN. NO OIL LEAK, HAD OIL CHANGE @ DEALER PRIOR TO OUR PURCHASE OF VEHICLE, NOT YET DUE FOR ROUTINE SERVICE, OIL LIFE INDICATOR GAVE 50% OIL LIFE 20 MILES PRIOR TO BREAKDOWN. HONDA NOTIFIED AND NOT CONCERNED. WARRANTY CO DENIED CLAIM B/C NO CAUSE OF FAILURE FOUND. DEALERSHIP THAT SOLD CAR IS PAYING FOR NEW ENGINE, RADIATOR AND ANY OTHER REPAIRS AND WILL CONTINUE TO SEEK REIMBURSEMENT FROM WARRANTY CO. SEARCH OF HONDA FORUMS (EDMUNDS.COM) FOUND MANY PROBLEMS W/ OIL CONSUMPTION ON 2005-2010 HONDA ODYSSEYS. *TR
NHTSA ODI #10360743
30,000 miles · Sep 27, 2010
Power TrainCrash
OUR 2006 HONDA ODYSSEY MINIVAN HAS BEEN TAKEN FOR REPAIRS NUMEROUS TIMES TO ADDRESS FRONT END SHUDDER THAT INCREASES WITH SPEED, BECOMING NOTICEABLE AT ~25MPH AND MOST PRONOUNCED AT 60-65MPH. THE STEERING WHEEL VIBRATES LEFT-RIGHT AT A HIGH FREQUENCY AND INCREASING INTENSITY WHILE THIS SHUDDER IS HAPPENING. BRAKING EFFECTIVENE…
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OUR 2006 HONDA ODYSSEY MINIVAN HAS BEEN TAKEN FOR REPAIRS NUMEROUS TIMES TO ADDRESS FRONT END SHUDDER THAT INCREASES WITH SPEED, BECOMING NOTICEABLE AT ~25MPH AND MOST PRONOUNCED AT 60-65MPH. THE STEERING WHEEL VIBRATES LEFT-RIGHT AT A HIGH FREQUENCY AND INCREASING INTENSITY WHILE THIS SHUDDER IS HAPPENING. BRAKING EFFECTIVENESS IS MEASURABLE HAMPERED AND ONE CAN FEEL THE SHUDDER THROUGH THE BRAKE PEDAL AS THIS OCCURS. WE HAVE HAD THE TIRES REPLACED MUCH MORE FREQUENTLY THAN THEIR SCHEDULED LIFE WOULD SUGGEST NECESSARY, WE HAVE HAD THE ALIGNMENT AND BALANCING CHECKED, AND WE HAVE ASKED HONDA TO REPAIR THE VIBRATION PROBLEM, ALL WITHOUT SUCCESS. THERE ARE ONLINE FORUMS WHERE ODYSSEY OWNERS DISCUSS SIMILAR PROBLEMS (FOR EXAMPLE, SEE THE EDMUNDS SITE: TOWNHALL.EDMUNDS.COM/DIRECT/VIEW/.F1085E1) AND LACK OF RESOLUTION BY HONDA. A QUICK WEB SEARCH (E.G., "HONDA ODYSSEY FRONT END VIBRATION" OR "HONDA ODYSSEY TORQUE CONVERTER RECALL") WILL RESULT IN MANY OTHER REFERENCES TO SIMILAR OR IDENTICAL SITUATIONS OF SERIOUS FRONT END VIBRATIONS. WE HAVE EXPERIENCED A MINOR ACCIDENT WHICH INVOLVED HITTING A CAR IN FRONT OF US AT LOW SPEED AND I BELIEVE THIS PROBLEM PLAYED A ROLE. *TR
NHTSA ODI #10357949
60,000 miles · Sep 13, 2010
Power Train
TOOK 2006 HONDA ODYSSEY TO THE DEALERSHIP AGAIN COMPLAINING OF STRONG ENGINE SHUDDER WHEN ACCELERATING AND BETWEEN GEAR SHIFTS. SHUDDER IS SO STRONG WHOLE CAR SHIMMIES INCLUDING STEERING WHEEL. I HAVE TAKEN THE CAR IN FOR THIS ON TWO SEPARATE OCCASIONS (AT 60,000 AND 90,000) AND IT HAS NOT BEEN PROPERLY DIAGNOSED. JUST 5 MONTHS…
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TOOK 2006 HONDA ODYSSEY TO THE DEALERSHIP AGAIN COMPLAINING OF STRONG ENGINE SHUDDER WHEN ACCELERATING AND BETWEEN GEAR SHIFTS. SHUDDER IS SO STRONG WHOLE CAR SHIMMIES INCLUDING STEERING WHEEL. I HAVE TAKEN THE CAR IN FOR THIS ON TWO SEPARATE OCCASIONS (AT 60,000 AND 90,000) AND IT HAS NOT BEEN PROPERLY DIAGNOSED. JUST 5 MONTHS AND A FEW THOUSAND MILES LATER I AM BEING TOLD THAT I NEED A NEW TRANSMISSION. VERY INTERESTING THAT IT'S THE SAME ISSUE I HAVE BEEN IN FOR BEFORE WHEN THE CAR WAS UNDER WARRANTY. CAR DOES NOT FEEL SAFE TO DRIVE. *TR
NHTSA ODI #10355176
80,000 miles · Jul 6, 2010
Power Train
TRANSMISSION FAILED AT LESS THAN 80,000 MILES. WHILE TRAVELING AT 60+ MPH TRANSMISSION SMOKES, FLUID SPEWS FROM TAILPIPE AND FRONT, GEARS RACE AND VEHICLE BECOMES UNABLE TO CONTROL IN TRAFFIC. VEHICLE EVENTUALLY STOPS, MUST BE ALLOWED TO COOL DOWN BEFORE IT CAN BE RESTARTED. GEARS SOMETIME LOCK CAUSING INABILITY TO STEER. OCCUR…
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TRANSMISSION FAILED AT LESS THAN 80,000 MILES. WHILE TRAVELING AT 60+ MPH TRANSMISSION SMOKES, FLUID SPEWS FROM TAILPIPE AND FRONT, GEARS RACE AND VEHICLE BECOMES UNABLE TO CONTROL IN TRAFFIC. VEHICLE EVENTUALLY STOPS, MUST BE ALLOWED TO COOL DOWN BEFORE IT CAN BE RESTARTED. GEARS SOMETIME LOCK CAUSING INABILITY TO STEER. OCCURS OCCASIONALLY AT 80,000-90,000, MORE FREQUENTLY AT 90,000 MILES. DEFECT IN TORQUE CONVERTER APPARENTLY CAUSES FLUID TO BOIL INSIDE TRANSMISSION, CAUSES DAMAGE TO GEARS, SMOKING, ETC.. ONLY FIX IS A REPLACEMENT TRANSMISSION. *TR
NHTSA ODI #10341690
83,000 miles · Jun 17, 2010
Power Train
2006 HONDA ODYSSEY MINIVAN. WHILE CRUISING (NOT ACCELERATING, NOT CLIMBING) AT ABOUT 70 MPH ON I-5 SOUTH IN SOUTHERN CALIFORNIA, THE DRIVER SAW THE TACHOMETER SUDDENLY SHOOT UP ABOVE THE RED LINE (>5000 RPM). THE ENGINE CONTINUED TO REV WITH ACCOMPANYING VERY LOUD ENGINE NOISE. THE ENGINE WOULD NOT DOWNSHIFT EVEN AS THE DRIVE…
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2006 HONDA ODYSSEY MINIVAN. WHILE CRUISING (NOT ACCELERATING, NOT CLIMBING) AT ABOUT 70 MPH ON I-5 SOUTH IN SOUTHERN CALIFORNIA, THE DRIVER SAW THE TACHOMETER SUDDENLY SHOOT UP ABOVE THE RED LINE (>5000 RPM). THE ENGINE CONTINUED TO REV WITH ACCOMPANYING VERY LOUD ENGINE NOISE. THE ENGINE WOULD NOT DOWNSHIFT EVEN AS THE DRIVER EASED OFF THE GAS PEDAL. THE DRIVER PULLED TO THE SIDE OF THE FREEWAY AND SHUT THE ENGINE OFF. THE UNDERCARRIAGE AND BACK OF THE CAR WAS SOAKED WITH TRANSMISSION FLUID. THE CAR WAS SURROUNDED BY THE SMELL OF BURNING OIL. THE CAR WAS TOWED 129 MILES TO A SERVICE STATION. DIAGNOSIS: "BLOWN TRANSMISSION", APPARENTLY A RECURRENT PROBLEM WITH HONDA ODYSSEYS. *TR
NHTSA ODI #10336791
20,000 miles · Apr 7, 2010
Power Train
I BOUGHT A 2006 HONDA ODYSSEY BRAND NEW WITH WARRANTY AND AT 20,000 MILES STARTED COMPLAINING OF A WHINING OR HUMMING NOISE AFTER TRAVELING DISTANCES OVER 30 MINUTES LONG. THE WEATHER DID NOT SEEM TO MAKE A DIFFERENCE. I COMPLAINED 5 SEPARATE TIMES TO THE DEALERSHIP, EACH TIME BEING TURNED AWAY BECAUSE THEY COULDN'T FIND AN IS…
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I BOUGHT A 2006 HONDA ODYSSEY BRAND NEW WITH WARRANTY AND AT 20,000 MILES STARTED COMPLAINING OF A WHINING OR HUMMING NOISE AFTER TRAVELING DISTANCES OVER 30 MINUTES LONG. THE WEATHER DID NOT SEEM TO MAKE A DIFFERENCE. I COMPLAINED 5 SEPARATE TIMES TO THE DEALERSHIP, EACH TIME BEING TURNED AWAY BECAUSE THEY COULDN'T FIND AN ISSUE. AFTER MY WARRANTY EXPIRED, THEY WERE ABLE TO TELL ME THAT MY POWER STEERING PUMP HAD FAILED AND AFTER MUCH TALK WITH THE DEALERSHIP AND HONDA, THEY REPLACED IT COVERING 75% OF THE COST. THAT WAS IN OCTOBER 2009. ON MARCH 15, THE NOISE RETURNED AND I TOOK IT BACK TO THE DEALERSHIP ASSUMING IT WAS MY POWER STEERING PUMP. IT WAS MY POWER STEERING RACK WHICH AFTER DISCUSSIONS WITH SEVERAL OTHER MECHANICS SEEMS TO BE WHAT THE ISSUE WAS ALL ALONG. I NOW HAVE TO REPLACE THE ENTIRE POWER STEERING RACK AT A COST OF $1500. I HAVE TRIED TO GET HELP FROM HONDA, BUT THEY CLAIM IT IS NOT A WARRANTY ISSUE. THERE ARE HUNDREDS OF COMPLAINTS ABOUT THIS VERY SAME ISSUE ONLINE AND HONDA ISSUED A SERVICE BULLETIN FOR ALL MODELS 2005-2007 AND SOME 2008 MODELS FOR POWER STEERING PUMP FAILURE. THIS IS A LARGER ISSUE AND A RECALL OF THIS ENTIRE SYSTEM NEEDS TO BE PUT OUT OR MORE HONDA OWNERS ARE GOING TO RUN INTO THE ISSUE I HAVE. IF I DON'T REPLACE THE POWER STEERING RACK, FLUID COULD POUR OUT AT ANY TIME AND CAUSE ME TO LOSE STEERING AT ANY POINT. SO THAT IS WHY I AM HAVING IT FIXED IMMEDIATELY. I AM LOOKING FOR SOMEONE TO TAKE ACTION ON THIS. THE HONDA SERVICE BULLETIN WHICH WAS REVISED IN 2007, IS BULLETIN NUMBER 07-005.*TR
NHTSA ODI #10324169
30,000 miles · Mar 16, 2010
Power Train
WHILE DRIVING MY 2006 HONDA ODYSSEY EX ON SLIGHT SLOPES AT APPROXIMATELY 25-35 MPH UNDER LIGHT ACCELERATION, MY VEHICLE BEGINS TO SHUDDER STRONGLY ENOUGH THAT I CAN FEEL IT THROUGH THE FOOT PEDAL AND STEERING WHEEL. THIS HAPPENS FREQUENTLY IN MY IN-TOWN DRIVING FOLLOWING FREQUENT STOPS, AND CONTINUES FOR A FEW SECONDS UNTIL I I…
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WHILE DRIVING MY 2006 HONDA ODYSSEY EX ON SLIGHT SLOPES AT APPROXIMATELY 25-35 MPH UNDER LIGHT ACCELERATION, MY VEHICLE BEGINS TO SHUDDER STRONGLY ENOUGH THAT I CAN FEEL IT THROUGH THE FOOT PEDAL AND STEERING WHEEL. THIS HAPPENS FREQUENTLY IN MY IN-TOWN DRIVING FOLLOWING FREQUENT STOPS, AND CONTINUES FOR A FEW SECONDS UNTIL I INCREASE SPEED AND RPM. IN THE PAST TWO WEEKS, I HAVE EXPERIENCED A STRONG FORWARD JOLTING MOTION WHEN MY VEHICLE DOWNSHIFTS AS I AM SLOWING BEHIND OTHER CARS OR AS I AM SLOWING TO MAKE A TURN OF MY OWN. THE JOLT FORWARD HAS BEEN SO STRONG THAT IT FEELS LIKE I'M HITTING THE ACCELERATOR, AND I HAVE HAD TO BRAKE HARD TO KEEP FROM OVERSHOOTING MY TURN OR REAR ENDING THE CAR IN FRONT OF ME. *TR
NHTSA ODI #10320196
86,000 miles · Mar 15, 2010
Power Train
TRANSMISSION SHUDDER ON MY 2006 HONDA ODYSSEY. MILES IS ABOUT 86000, TOOK VAN TO HONDA DEALER AND WAS TOLD TORQUE CONVERTER WAS BAD SERVICE MANAGER SAID THESE VEHICLES HAVE BEEN KNOWN FOR SHUDDER PROBLEMS DUE TO THE FACT THAT THE VEHICLES WEIGHT WAS NOT MATCHED TO THE TRANSMISSION PROPERLY IN DESIGN. SHUDDER HAPPENS AT ABOUT 3…
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TRANSMISSION SHUDDER ON MY 2006 HONDA ODYSSEY. MILES IS ABOUT 86000, TOOK VAN TO HONDA DEALER AND WAS TOLD TORQUE CONVERTER WAS BAD SERVICE MANAGER SAID THESE VEHICLES HAVE BEEN KNOWN FOR SHUDDER PROBLEMS DUE TO THE FACT THAT THE VEHICLES WEIGHT WAS NOT MATCHED TO THE TRANSMISSION PROPERLY IN DESIGN. SHUDDER HAPPENS AT ABOUT 30-40 MPH WITH A LIGHT ENGINE LOAD. *TR
NHTSA ODI #10319628
57,000 miles · Nov 9, 2009
Power Train
WHEN DRIVING IN COLD WEATHER FOR A LONG DISTANCE, WHEEZING SOUND COMES FROM STEERING WHEEL. OTHERS HAVE HAD THIS PROBLEM, THEY SAY IT'S A POWER STEERING PUMP, RESERVOIR TANK. IT ONLY HAS 57K MILES, AND ALREADY PROBLEMS. HONDA DEALER SAID THEY COULDN'T DUPLICATE THE PROBLEM, THAT'S BECAUSE THEY DIDN'T DRIVE IT FOR A WHILE NOR …
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WHEN DRIVING IN COLD WEATHER FOR A LONG DISTANCE, WHEEZING SOUND COMES FROM STEERING WHEEL. OTHERS HAVE HAD THIS PROBLEM, THEY SAY IT'S A POWER STEERING PUMP, RESERVOIR TANK. IT ONLY HAS 57K MILES, AND ALREADY PROBLEMS. HONDA DEALER SAID THEY COULDN'T DUPLICATE THE PROBLEM, THAT'S BECAUSE THEY DIDN'T DRIVE IT FOR A WHILE NOR WAS IT COLD. IT WON'T BE COVERED UNDER WARRANTY SINCE IT'S PAST THE MILES, BUT HONDA MAKES A DEFECTIVE PART(S) AND THE OWNER HAS TO PAY FOR THEIR POOR ENGINEERING. *TR
NHTSA ODI #10291446
Official recalls
3Mar 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).
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.
Jul 26, 2006
ON CERTAIN PASSENGER VEHICLES AND MOTORCYCLES, THE OWNER'S MANUALS CONTAIN INCORRECT CONTACT INFORMATION FOR THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S (NHTSA) VEHICLE SAFETY HOTLINE.
Consequence & remedy
Consequence: THE LANGUAGE IN THE OWNER'S MANUALS IS NOT IN ACCORDANCE WITH THE CURRENT MANDATORY REQUIREMENTS.
Remedy: HONDA WILL SEND A POSTCARD TO DEALERS AND OWNERS WITH THE CORRECT NHTSA VEHICLE SAFETY HOTLINE INFORMATION AND WITH INSTRUCTIONS TO INSERT THE CARD INTO THE "REPORTING SAFETY DEFECTS" SECTION OF THE OWNER'S MANUAL. THE RECALL BEGAN ON AUGUST 2, 2006. OWNERS MAY CONTACT HONDA AT 1-800-999-1009, ACURA AT 1-800-382-2238 OR HONDA MOTORCYCLES AT 1-866-784-1870.
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
1PE09024 · 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.