DTC C1441: Brake Booster Malfunction: Description
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.
If the brake booster is damaged and does not provide braking support when depressing the brake pedal, the skid control ECU determines that the brake booster has a problem and stores DTC C1441.
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| C1441 | When the brake pedal load sensing switch and master cylinder pressure sensor are functioning normally and the brake pedal load sensing switch is judged as ON, the pressure signal from the master cylinder pressure sensor does not indicate an increase. | Brake booster assembly |