NHTSA Complaint #10371976 — 2006 LEXUS RX HYBRID

POWER TRAIN issue reported to NHTSA

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Complaint Details

ODI Number	10371976
Vehicle	2006 LEXUS RX HYBRID
Component	POWER TRAIN
Date of Incident	December 16, 2010
Date Filed	December 21, 2010
Mileage	90,000 miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	00

Consumer Description

NO FAILURE, YET. BUT VEHICLE (LEXUS RX400H - 2006) IS A HYBRID. THERE IS A SEPARATE COOLING SYSTEM FOR THE HYBRID COMPONENTS (INVERTER, AND ELECTRIC MOTORS IN TRANSAXLE). COOLANT IS LEAKING FROM THE TRANSAXLE. IF ALL COOLANT LEAKS OUT, THE INVERTER WILL FAIL. WITHOUT THE INVERTER, THERE IS NO POWER - NO ELECTRIC STEERING, NO ELECTRIC BRAKES, AND NO MOTIVE POWER TO THE WHEELS. ADDITIONALLY, THE COOLANT MAY LEAK SOMEWHERE OR ONTO SOMETHING THAT MAY SHORT OUT OR CAUSE A FIRE. THIS IS NOT A LEAK FROM A WORN OUT COOLANT HOSE, BUT DIRECTLY FROM THE TRANSAXLE. BEING A HYBRID, THE AVAILABILITY OF ELECTRIC POWER IS ABSOLUTELY ESSENTIAL. THERE HAVE BEEN REPORTS OF INVERTERS FAILING (JUST CHECK THE LEXUS. TOYOTA AND OTHER HYBRID FORUMS) ON THE HIGHWAY AT SPEED, LEADING TO A COMPLETE LOSS OF POWER. TO THE BEST OF MY KNOWLEDGE, THERE HAVE BEEN NO INJURIES OR ACCIDENTS, BUT THE POTENTIAL IS FRIGHTENING. *TR

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