DTC C1441: Brake Booster Malfunction: Procedure
WARNING: This page is about a different car, the 2009 Lexus IS 350 and 2009 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.
- INSPECT VACUUM SYSTEM
- Check the brake booster assembly. Refer to ON-VEHICLE INSPECTION .
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