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Home >> Mazda >> 2013 >> CX-5 Sport, FWD, Automatic Trans >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> On-Board Diagnostic [Front Body Control Module] >> DTC B1048-7B: Brake Fluid Level Sensor Circuit Malfunction >> Notes

DTC B1048-7B: Brake Fluid Level Sensor Circuit Malfunction: Notes

DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location  Brake fluid level sensor circuit malfunction 
Detection condition 
  • The front body control module (FBCM) detected that the brake fluid level is less than MIN with the ignition switched ON (engine off or on).
Fail-safe  -
Possible cause 
  • Insufficient brake fluid level
  • Brake fluid level sensor connector or terminal malfunction
  • Front body control module (FBCM) connector or terminal malfunction
  • Short to ground in wiring harness between brake fluid level sensor terminal B and front body control module (FBCM) terminal 2Q
  • Brake fluid level sensor malfunction
  • Front body control module (FBCM) malfunction
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