Major Problems with Lexus RX 400h Derived from Complaints & Recalls

Learn about the common problems with a used Lexus RX 400h to avoid purchasing a bad year of the model.

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Best and Worst Years for Lexus RX 400h

Explore the chart showing how many complaints have been filed for each year of Lexus RX 400h.

Model Year	Complaints
2008 RX 400h	26
2007 RX 400h	23
2006 RX 400h	76

Worst 3 Lexus RX 400h complaints

2006 Lexus RX 400h VEHICLE SPEED CONTROL Victims: 3 Mileage: 50000 miles

2008 Lexus RX 400h VEHICLE SPEED CONTROL Victims: 3 Mileage: 99000 miles

2008 Lexus RX 400h AIR BAGS Victims: 1 Mileage: 87000 miles

Browse Lexus RX 400h complaints by category

Problems with ELECTRICAL SYSTEM, SERVICE BRAKES and VEHICLE SPEED CONTROL are the most frequent issues recorded by the NHTSA from Lexus RX 400h owners.

Problem Category	Number of Problems
ELECTRICAL SYSTEM i was driving at 70 mph on us290. without warning the engine suddenly shut down and the dashboard display went...	24 ~ 87972 miles
SERVICE BRAKES i recently purchased (07/17/12) a 2008 used rx400h i quickly noticed that while braking if the road has any bumps...	22 ~ 128593 miles
VEHICLE SPEED CONTROL unprovoked vehicle acceleration while parking causing vehicle to jump a curb hit a tree and land on the hood of	21 ~ 54761 miles
STEERING i drive a 2008 lexus rx400h. i experienced a serious electric power steering failure which caused me to loose control...	13 ~ 94949 miles
SERVICE BRAKES, HYDRAULIC i was coming back from my first oil change from crown lexus dealer. i was pulling into a parking space...	9 ~ 35687 miles
ELECTRONIC STABILITY CONTROL i was driving on highway on speed of 65 miles per hour suddenly my power string and brakes failed. luckily...	8 ~ 144138 miles
BODY > STRUCTURE rubber cover on rear door latch has disintegrated/melted....	8 ~ 86042 miles
POWER TRAIN vehicle was normally maintained and lightly driven. one year of age of the vehicle when driven on level dry surfaces...	8 ~ 72846 miles
UNKNOWN OR OTHER my vehicle was in motion and failed to properly break which therefore ended hitting an older model bmw at approx...	6 ~ 100811 miles
AIR BAGS tl* the contact owns a 2008 lexus rx400h. the contact stated that while pulling into a parking space the vehicle...	6 ~ 68400 miles
FUEL/PROPULSION SYSTEM a moment of terror in my lexus 2008 rx400h on may 01 i was driving home from work. on busy...	6 ~ 100074 miles
TIRES vehicle pulls to the right. it was 4-wheel aligned following initial delivery & also at ~22k miles by the dealer....	6 ~ 20446 miles
STRUCTURE for no known reason front windshield cracked. no visible marks that glass could have been hit by rock or any...	5 ~ 86828 miles
ENGINE AND ENGINE COOLING vehicle lost control on brakes and almost stalls while driving. it happened 1 year ago and no problem was found...	5 ~ 63801 miles
SERVICE BRAKES, ELECTRIC 2008 lexus 400h. when approaching a stop at an approximate 25-35 mph on typically city streets with somewhat uneven surface...	5 ~ 39526 miles
EXTERIOR LIGHTING the headlight assembly collects moisture on the inside and fails. it is a known problem to lexus/toyota and there have...	4 ~ 92000 miles
ENGINE a moment of terror in my lexus 2008 rx400h on may 01 i was driving home from work. on busy...	4 ~ 93167 miles
INVERTER > HYBRID PROPULSION SYSTEM driving off a stop light and the car just died. check awd - cvt - hybrid system warning lights went...	4 ~ 64211 miles
SUSPENSION in aug 2013 i noticed every time i passed over a small bump that a loud clunk would emit from...	2 ~ 100871 miles
FUEL SYSTEM, OTHER vehicle unexpectedly stops running while driving - ended up being a failed inverter. *tr...	2 ~ 68500 miles
WHEELS as i was driving when i pressed the brakes i could hear a grinding noise and did not feel enough...	1 ~ 135741 miles
HYBRID PROPULSION SYSTEM the hybrid system light turned on. next were the brake and abs lights turned on then the was stalled in...	1 ~ 135828 miles
VISIBILITY/WIPER for no known reason front windshield cracked. no visible marks that glass could have been hit by rock or any...	1 ~ 56380 miles
TREAD/BELT > TIRES one another victim of oe tires of inferior quality + alignment issues of lexus rx 400h. i am filing a...	1 ~ 23782 miles
BEAD > TIRES one another victim of oe tires of inferior quality + alignment issues of lexus rx 400h. i am filing a...	1 ~ 23782 miles
SIDEWALL > TIRES i own a 2006 lexus rx400h. about a year ago i was traveling on an interstate hwy at 60 mph...	1 ~ 21500 miles
ACCELERATOR PEDAL > VEHICLE SPEED CONTROL tl*the contact owned a 2007 rx400 lexus hybrid. while driving 35 mph and engaging the brakes the mat was between...	1 ~ 2300 miles
NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM) > ELECTRICAL > EQUIPMENT tl*the contact owns a 2007 lexus rx400h. the contact stated that the map navigation system forced the vehicle to stop...	1 ~ 21000 miles
RACK > RACK AND PINION > STEERING tl*the contact owns a 2006 lexus rx400h. while the contact's spouse was backing out of the garage he discovered that...	1 ~ 22516 miles
ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP > SERVICE BRAKES, HYDRAULIC brakes failed on two occasions within a week. brake failure lasted for about 10 seconds and then brakes returned. during...	1 ~ 3500 miles
FRONT > SUSPENSION vehicle pulls to the right. it was 4-wheel aligned following initial delivery & also at ~22k miles by the dealer....	1
CRUISE CONTROL > VEHICLE SPEED CONTROL dt*: the contact stated when the cruise control was set for 60 mph on the freeway the vehicle would increase...	1 ~ 13000 miles
AUTOMATIC TRANSMISSION > POWER TRAIN dt*: the contact stated the vehicle does not gear down while going down an icy road. there are no 1st...	1 ~ 2900 miles

FAQ

What year Lexus RX 400h is the most reliable?

Speaking of the models produced in the last 3 years, Lexus RX 400h models of 2007, 2008, 2006 year of manufacture have had the least number of complaints.

What year was a bad year for Lexus RX 400h?

Lexus RX 400h models of 2006 and 2008 are probably the years to be avoided like the plague due to a higher than an average number of issues reported.

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