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My rx heater/defroster does not work. The ac works great and the fan blows but no heat
This could be related to your codes. Sounds like it is possibly low on coolant.
Q&A > Lexus > 2000 Lexus RX300
Q&A > Lexus > 2003 Lexus RX300
Q&A > Lexus > 2001 Lexus RX300