Lexus RX HYBRID engine problems
29 complaint narratives mention engine terms.
Key facts
341 owner complaints analyzed
13 distinct recall campaigns
58,292 mi median reported failure mileage
Scope: 2004 to 2025 model years. Data snapshot: . 303 complaints include usable failure mileage.
Engine operation evidence
29 of 341 complaints match this topic (8.5%). The keyword filter can include complaints that mention a transmission without reporting its failure. View matching rules.
Owner report 10324848 · 2010-04-10 (April 10, 2010)
VEHICLE LOST CONTROL ON BRAKES AND ALMOST STALLS WHILE DRIVING. IT HAPPENED 1 YEAR AGO AND NO PROBLEM WAS FOUND AND NOW IT HAPPENED 3 TIMES. THE DEALER IS UNABLE TO FIND WHAT IS CAUSING IT. IT HAS BEEN A HAZARD TO DRIVE. THE COMPUTER WAS CHANGED AND STILL IT OCCURRED AND IS WITH SERVICE DEPARTMENT. *TR
Owner-reported narrative. 61,401 miles reported. Look up ODI 10324848 at NHTSA ↗
Owner report 10327916 · 2010-04-28 (April 28, 2010)
MY 2006 LEXUS RX 400H HAS EXPERIENCED A VIBRATION DURING ACCELERATION. IT SEEMS TO STALL THE ENGINE. BRING THE VEHICLE TO DEALER FOR CHECKING. THE DEALER SAID MY VEHICLE USES INCORRECT GRADE OF GASOLINE OR NOT GOOD QUALITY GASOLINE AND RECOMMEND THAT I SHALL ALWAYS USE BETTER QUALITY GASOLINE, I.E. GASOLINE FROM SHELL. THE VIBRATION IS CAUSED BY THE MISFIRE. SUBSEQUENTLY USING THE GASOLINE FROM SHELL AND THE VIBRATION SEEMS TO BE REDUCED OR GO AWAY. LATER ON, TRY TO USE A DIFFERENT BRAND OF GASOLINE (SAME GRADE, PREMIUM) AND THE VIBRATION COME…
Owner-reported narrative. 46,100 miles reported. Look up ODI 10327916 at NHTSA ↗
Owner report 10344666 · 2010-07-22 (July 22, 2010)
TL*THE CONTACT OWNS A 2006 LEXUS RX400H. WHILE DRIVING APPROXIMATELY 75 MPH THE VEHICLE STALLED. THE VEHICLE WOULD NOT RESTART. THE VEHICLE WAS TOWED TO AN AUTHORIZED DEALER WHERE THE CONTACT WAS INFORMED THAT THE INVERTER FAILED WHICH ALSO CAUSED THE COMPUTER AND ENGINE TO FAIL. THE INVERTER WAS REPLACED BY AN AUTHORIZED DEALER. THE FAILURE DID NOT RECUR. THE FAILURE MILEAGE WAS 60,000 AND THE CURRENT MILEAGE WAS UNKNOWN. UPDATED 10/15/10 BF UPDATED 10/19/10
Owner-reported narrative. 60,000 miles reported. Look up ODI 10344666 at NHTSA ↗
Owner report 10360138 · 2010-10-12 (October 12, 2010)
TL*THE CONTACT OWNS A 2006 LEXUS RX400H. THE CONTACT STATED THAT WHILE DRIVING 70 MPH, THE VEHICLE STALLED BUT HE WAS ABLE TO COAST IT TO A STOP ON AN EXIT RAMP. THE HYBRID SYSTEM LIGHT ILLUMINATED AFTER THE FAILURE. THE VEHICLE WAS TOWED TO AN AUTHORIZED DEALER WHO STATED THAT THE HYBRID BATTERY WAS THE CAUSE OF FAILURE. THE CONTACT PLANNED TO HAVE THE VEHICLE REPAIRED. THE VIN WAS UNAVAILABLE. THE CURRENT AND FAILURE MILEAGES WERE APPROXIMATELY 70,000.
Owner-reported narrative. 70,000 miles reported. Look up ODI 10360138 at NHTSA ↗
Owner report 10371976 · 2010-12-21 (December 21, 2010)
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 FRO…
Owner-reported narrative. 90,000 miles reported. Look up ODI 10371976 at NHTSA ↗