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C1198critical severityChassis

Abnormal Brake Fluid Level / Pressure Control

on 2013-2018 Subaru Crosstrek 2.0L H4 · AWD

What this code means

The system detected an abnormal brake fluid level or fault in pressure control. No direct OBD P-code equivalent exists.

Symptoms

  • Brake warning light on
  • VDC/ABS light on
  • Reduced braking assist

Common causes

  • Low brake fluid level
  • Faulty fluid level switch
  • Pressure sensor fault
  • Wiring or connector issue

Diagnostic steps

  1. Check brake fluid level
  2. Test fluid level sensor
  3. Inspect pressure sensor signal
  4. Check wiring and connectors

Other Chassis codes on this vehicle

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