2008 Lexus RX Lexus RX 2008

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2008 Lexus RX repairs by problem area

Engine (28%)

Transmission and Drivetrain (2%)

Brakes and Traction Control (5%)

Suspension and Steering (12%)

Electrical and Air Conditioning (32%)

Paint, Rust, Leaks, Rattles, and Trim (12%)

Other (7%)

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Chart based on 169 repairs.
See TSBs and recalls for the 2008 Lexus RX.

2008 Lexus RX electrical repair cost distribution

$2500+ (0%)

$1000 - $2499 (7%)

$500 - $999 (4%)

$100 - $499 (31%)

< $100 (58%)

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Chart based on 45 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2008 Lexus RX 4dr SUV

270-horsepower 3.5L V6 5-speed shiftable automatic FWD

128000 mi

US $248
Self leveling headlight sensor 

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2008 Lexus RX 4dr SUV

270-horsepower 3.5L V6 5-speed shiftable automatic AWD

9000 mi Non-hybrid battery went dead twice. Lexus replaced battery. 

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2008 Lexus RX 4dr SUV

270-horsepower 3.5L V6 5-speed automatic FWD

145000 mi

US $500
replace alternator 
201000 mi

US $60
AC broke down on my vacation. Took the car to Express Lube in Gadsden, AL and charge me 2 times the amount if I will do it my self just so they can give me 2 years warranty! AFS light came on after the headlight bulbs were replace. Change the AFS sensor in the rear right wheel. Lights work fine but light still flashes. Mechanics cannot figure it out. They said is a dealer issue. Replace TPMS sensor in the spare tire. Still the light is on. WE tested wit hthe computer of my mechanic and found that the central CPU for TPMS in the headliner is not working. 
202000 mi

US $50
Rear hatch switch replace. Autobody mechanic burned it. 
210000 mi

US $155
Had to replace the HID bulbs after a few months. they were defective and after you turn them on stay on for a minute and then both will go out. 
216000 mi

US $120
Battery was not charging the system and failure was eminent. Replaced! 
227000 mi

US $495
Car just die in the parking lot during lunch! Determine it was the alternator and tow the car to the mechanic. He replace the alternator and charge the battery. 
72000 mi Passenger window motor not working Radio doesn't always play 
78500 mi

US $150
Battery died prematurely 
90000 mi

US $1000
Alternator died 
35000 mi

US $60
Driver seat motor became very noisy; had to order new motor 
77600 mi Battery failure; unable to start. AAA jump started vehicle and went to dealer for warranty replacement (23 months into 24 month ext. warranty for battery) 
86000 mi

US $800
vehicle would not start and most elect systems inoperative. Vehicle towed; battery replaced. All good until 1 week later, when battery warning light came on while driving. Electrical test showed Alternator not charging; replaced alternator 

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2008 Lexus RX 4dr SUV

270-horsepower 3.5L V6 5-speed automatic AWD

66000 mi

US $240
acid spill from battery 
133000 mi Changed headlight and the capacitor board. Headlight fixed on the second attempt. 
77 mi Tire pressure light blinks then stays solid indicating the tire pressure sensor is bad. Sensor replaced, light still on. Turns out it is the computer system. 
45000 mi noisy front window motors - both replaced 
83100 mi The tire pressure sensor system seems to be malfunctioning after the most recent regular service. Dealer does not know what is wrong yet. 
89700 mi Tire pressure sensor was bad after last service visit. Diagnosed and replaced at dealer cost. 
94800 mi back seat window stopped working, dealer replaced the motor or wiring under warranty. 
110800 mi window switch stopped working (not motor) 
116700 mi tire pressure sensor bad 
163000 mi

US $18
replacement key, both originals broke -- using original radio unit and metal key, into new plastic form from amazon. 
83700 mi

C $150
alternator died, replaced with a new napa 130amp unit. Unit was 130$, labour was 100, with taxes,etc came to about $250. 
44000 mi Xenon headlight started to leak and stopped working. If I didn't have warranty - $1500 repair Blower motor noise Windows switches are scratched and not working Electrical, other than above, repair 
45000 mi Replaced fan blower motor after another mechanic heard it and ordered a part Air conditioning and ventilation, repair 
77500 mi

US $100
Battery (2 years old OEM) totally failed. Car did not start 
68200 mi Rear windows would not respond from Driver's side controls. The windows were up and would not go down. Played with the switch in the back arm rests and after a while was able to operate using switch at the driver's side. Later resolved itself. 

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2008 Lexus RX 4dr SUV

209-horsepower 3.3L V6 Hybrid CVT FWD

70700 mi Nav system and back up camera not functioning. Replaced a fuse. 
139000 mi The Adaptive front lights no longer would move side to side around corners. Dealership replaced for free out of warranty! They wrote it us as an ongoing issue with condensation that shorted the motors. Advantage: Ongoing dealer relationship 
155000 mi

US $1620
Evaporator coil had leak, remove, replace, recharge AC 
26500 mi TPMS sensor 
27700 mi Another TPMS sensor 
29000 mi A third TPMS sensor 

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2008 Lexus RX 4dr SUV

209-horsepower 3.3L V6 Hybrid CVT AWD

84000 mi

£70
New starter battery 
150000 mi

US $10
Automatic wipers were inop after windshield replacement. 
128000 mi

£75
A/C service 
128900 mi Battery replaced, it's related to problem with amplifier draining the battery 
142000 mi

£75
Battery replaced, one cell gone. This is the 3rd battery in just over 4 years, Each time with a Bosch which I am assured are the best. 
169000 mi

£450
new condenser fitted 
21300 mi 12v Pb-acid battery failed, NOT the hybrid battery. the under-sized battery that Toyota puts in hybrid SUV's; only used to keep the electronics alive. When this battery gets low, car will not start. A common problem. Replaced under warranty 
69000 mi

US $460
Road debris (likely a rock) punctured a hole in the condenser. Found out it's a failing common to the RX. Followed forums on installing mesh on front air dam. 
96000 mi

US $150
Car would not start - dead battery 
132000 mi

US $140
12V Battery died completely after 2 1/2 years 
20000 mi Replaced dead 12V (not hybrid) battery under warranty. 

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See TrueDelta's information for all Lexus models.

2008 Lexus RX Electrical Problems

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2008 Lexus RX problems occur, check out our car reliability stats.