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C1155high severityChassis

Brake Fluid Level Low Signal

on 2003 Infiniti FX45 4.5L V8 · AWD

What this code means

The ABS unit has received a low brake fluid level signal from the reservoir switch. No direct OBD P-code equivalent.

Symptoms

  • Brake warning light on
  • ABS warning light on
  • Low fluid in reservoir

Common causes

  • Low brake fluid level
  • Faulty fluid level switch
  • Switch connector corrosion
  • Wiring open or short

Diagnostic steps

  1. Check brake fluid level
  2. Inspect for leaks in brake system
  3. Test fluid level switch operation
  4. Inspect switch wiring and connector

Other Chassis codes on this vehicle

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