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Home >> Mazda >> 2018 >> CX-5 Touring, FWD >> Repair and Diagnosis >> Brakes >> Traction Control >> Symptom Troubleshooting - Dynamic Stability Control >> NO. 3 Brake System Warning Light Stay On (Dynamic Stability Control (DSC)) >> Notes

NO. 3 Brake System Warning Light Stay On (Dynamic Stability Control (DSC)): Notes

NO. 3 BRAKE SYSTEM WARNING LIGHT STAY ON (DYNAMIC STABILITY CONTROL) POSSIBLE CAUSE

3 Brake system warning lights stay on
POSSIBLE CAUSE
  • Brake fluid amount is low.
  • Parking brake does not release.
  • Electric parking brake switch or brake fluid level sensor stuck on.
  • Short to ground in following circuit:
    • Between brake fluid level sensor and front body control module (FBCM)
  • No connection at DSC HU/Control Module connector (When DSC HU/Control Module connector comes off, ABS warning light, brake system warning light, TCS/DSC indicator light, and TCS OFF indicator light illuminate).
  • DSC HU/Control Module detected malfunction. (Input and output device malfunction)
  • DSC HU/Control Module detects low voltage in power supply.
  • DSC HU/Control Module ground malfunction (When DSC HU/Control Module ground is not securely connected, ABS warning light, brake system warning light, TCS/DSC indicator light, and TCS OFF indicator light illuminate but diagnostic trouble code does not display).
  • DSC HU/Control Module does not operate.
  • Front body control module (FBCM) detected malfunction.
  • DSC HU/Control Module internal malfunction
  • Instrument cluster detected malfunction