INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6) *YEAR: 2008 * MAKE: LEXUS * MODEL: RX400H * COMPONENT: THE HYBRID BRAKING SYSTEMS * VIN: [XXX] * COMPONENT -- THE 2008 LEXUS RX400H HYBRID BRAKING SYSTEMS DOES NOT WORK PROPERLY. WHEN THE VEHICLE GOES OVER A SMALL ROAD DEPRESS…
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INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6) *YEAR: 2008 * MAKE: LEXUS * MODEL: RX400H * COMPONENT: THE HYBRID BRAKING SYSTEMS * VIN: [XXX] * COMPONENT -- THE 2008 LEXUS RX400H HYBRID BRAKING SYSTEMS DOES NOT WORK PROPERLY. WHEN THE VEHICLE GOES OVER A SMALL ROAD DEPRESSION OR A SMALL POT HOLE ON ONE SIDE OF THE WHEEL, IT TEMPORARILY LOST CONTROL OF THE BRAKE WHILE THE DRIVER'S FOOT IS ON THE BRAKE PEDAL. IT ALSO BEHAVES THE SAME WAY WHEN THE VEHICLES SLIPS ON THE SNOWY ROAD. IT IS VERY SIMILAR TO TOYOTA PRIUS BRAKING PROBLEMS. I REPORTED TO THE TOYOTA DEALER. THE TOYOTA DEALER TOLD ME THAT IT INTENDED THAT WAY. IF THE VEHICLE IS DRIVING IN A TRAFFIC BUMPER TO BUMPER, IT IS VERY LIKELY TO HIT THE CAR IN THE FRONT REAR END WHEN THE BRAKE SYSTEMS LET GO THE BRAKE WHILE THE OPERATOR IS PRESSING ON THE BRAKE PEDAL. IT IS A SAFETY ISSUE. IT HAPPENS EVERY TIME AND IT CAN BE DUPLICATED UNDER THE ABOVE CONDITIONS. THEY SHOULD FIX THIS LIKE THEY DO WITH THE PRIUS. *TR
NHTSA ODI #10325337
Mileage unknown · Mar 3, 2010
Service Brakes, Electric
2008 LEXUS 400H. WHEN APPROACHING A STOP, AT AN APPROXIMATE 25-35 MPH, ON TYPICALLY CITY STREETS WITH SOMEWHAT UNEVEN SURFACE, WHILE APPLYING THE BRAKES, THE CAR WILL LURCH FORWARD MOMENTARILY SHORTLY INTO THE STOP. IT PRODUCES THE SUDDEN ANXIETY FEELING THAT THE CAR WILL NOT STOP AND CAN BE FELT BY DRIVER AND PASSENGERS. IT DOE…
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2008 LEXUS 400H. WHEN APPROACHING A STOP, AT AN APPROXIMATE 25-35 MPH, ON TYPICALLY CITY STREETS WITH SOMEWHAT UNEVEN SURFACE, WHILE APPLYING THE BRAKES, THE CAR WILL LURCH FORWARD MOMENTARILY SHORTLY INTO THE STOP. IT PRODUCES THE SUDDEN ANXIETY FEELING THAT THE CAR WILL NOT STOP AND CAN BE FELT BY DRIVER AND PASSENGERS. IT DOES NOT HAPPEN AT EVERY STOP, JUST NOW AND THEN. THIS HAS OCCURRED SINCE THE CAR WAS PURCHASED. WE HAD THE CAR SERVICED SOME TIME BACK TO ADDRESS THE "B" GEAR NOT SLOWING THE CAR ON HILLS. THE "B" GEAR ISSUE WAS RESOLVED DURING THIS SERVICE. INADVERTENTLY THE BREAKING ISSUE SEEMED TO OCCUR LESS FREQUENTLY. SINCE IT HAS BEEN SOME TIME SINCE THE SERVICE, THE BREAKING ISSUES HAS SLOWLY RESURFACED AND WITH A GREATER FREQUENCY. *TR
NHTSA ODI #10316247
7,200 miles · Feb 21, 2010
Service Brakes, Electric
MY LEXUS R400H BRAKES ARE NOT BRAKING AS OTHER CARS. *TR
Toyota is recalling certain model year 2006-2010 Highlander hybrid vehicles manufactured February 16, 2005, through July 29, 2010; and model year 2006-2008 Lexus RX400h vehicles manufactured February 23, 2005, through December 2, 2008. The Intelligent Power Module (IPM) inside the inverter module may contain transistors that have higher operating temperatures than the solder can support and the transistors may be heat damaged by the solder. If this occurs, various warning lamps, including the malfunction indicator lamp, slip indicator light, brake system warning light, and master warning light, will be illuminated on the instrument panel.
Consequence & remedy
Consequence: The vehicle may enter a fail-safe/limp-home mode that limits the drivability of the vehicle. It is possible that the hybrid system will shut down while the vehicle is being driven, causing the vehicle to stall unexpectedly, increasing the risk of a crash.
Remedy: Toyota will notify owners, and dealers will replace the IPM free of charge. Owners may contact Toyota at 1-800-331-4331. Vehicles that had their IPM replaced under recall 11V-342 are not affected by this campaign.
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
1
DP22005 · Pedestrian Alert Sounds
Opened Jan 27, 2023 · Closed Aug 7, 2023
Status: closed (inferred from source dates) · Electrical System:propulsion System
NHTSA received a petition on or about July 18, 2022, requesting that Federal Motor Vehicle Safety Standard (FMVSS) 141 be applied to all electric and hybrid vehicles operating in the United States. The petition can be reviewed at NHTSA.gov under ODI Number 11486072. FMVSS 141 establishes performance requirements for pedestrian alert sounds for motor vehicles. The standard applies to hybrid and electric vehicles that have a gross vehicle weight rating of 4,536 KG or less or are defined as low-speed vehicles. The standard became fully applicable to all such vehicles manufactured on or after March 1, 2021.On January 27, 2023, NHTSA opened Defect Petition (DP) 22-005 to evaluate the subject matter described in the petition. On June 24, 2023 and as supplemented on June 25, 2023, the petitioner notified NHTSA he was withdrawing his petition. The petitioner indicated that, based on his review of data, there is no justification for asserting potential benefits that could be derived from actions sought by my petition. Based on the petitioner's withdrawal, DP22-005 is closed. Closure of this DP does not represent a determination by NHTSA regarding the subject matter of the petition.
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