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Home >> Infiniti >> 2021 >> QX80 Premium Select, AWD >> Repair and Diagnosis >> Brakes >> Brakes Control Systems >> Brake Control System (DTCS) >> Abs [Abs Actuator And Electric Unit (Control Unit)] >> DTC C1155: Brake Fluid Level Switch >> DTC Description >> Possible Cause
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Possible Cause

NOTE: Confirm if DTC is PAST or CRNT. If DTC is CRNT, proceed with Diagnosis Procedure. If DTC is PAST, clear DTC. Do not replace the ABS actuator and electric unit (control unit) for a PAST DTC.

PAST DTC

CRNT DTC

  • Harness or connector
  • Brake fluid level is low
  • Harness or connector
  • ABS actuator and electric unit (control unit)
  • Brake fluid level switch
  • Brake fluid level is low