Back to 2007 Lexus GS 300

2007 LEXUS GS 300

3.0L V6RWDAUTOMATICgas
Repairs0Labor498Torque2471Fluid7DTC855Battery0Maintenance0Recalls0
B0242low severityBody

Sunroof Drain Blockage Detected

on 2007 Lexus GS 300 3.0L V6 · RWD

What this code means

The sunroof control system has detected conditions consistent with a blocked sunroof drain, such as a water level sensor trigger.

Symptoms

  • Water leaking into cabin from headliner
  • Wet spots on headliner near sunroof
  • Musty smell from headliner area
  • Water pooling in footwells

Common causes

  • Clogged sunroof drain tube
  • Disconnected drain hose
  • Drain tube kinked behind trim
  • Debris in sunroof tray

Diagnostic steps

  1. Inspect sunroof drain tray for debris
  2. Blow compressed air through drain tubes
  3. Check drain tubes at exit points behind wheel wells
  4. Inspect drain connections
  5. Clear debris from sunroof channel

Repair notes

Clear blocked drain tubes with compressed air. Reconnect any disconnected tubes. Clean sunroof tray.

Other Body codes on this vehicle

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