The Check Engine Light may illuminate with a fault code P0505 stored. Our technicians tell us that this fault can be caused by a failed electronic throttle body assembly which will require replacement.
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Most reported Lexus RX350 problems
The air conditioning light may flash or an AC error message may be displayed. Our technicians tell us this is commonly due to a fault with the AC amplifier, as revised part is available to correct this concern.
The supplemental restraints system (SRS) warning light may illuminate with code B0111 and/or B0116. Our technicians tell us Lexus has several service bulletins regarding the SRS system. It is not uncommon to replace one or more airbags to correct these fault codes.
Various user interface issues regarding GPS, radio system, and heater controls, along with bluetooth operation have been addressed with a software upgrade. Our technicians recommend that if you have issues with these systems, checking for the latest software should be the first step in diagnoses.
Our technicians tell us that some navigation system problems may be corrected by installing an updated navigation map disc.
The remote engine start function will not operate in extremely cold temperatures (-22 degrees F and lower). Our technicians tell us no repair should be attempted, this is normal operation for the remote engine start system in this vehicle.