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2009 MAZDA TRIBUTE
2.5L I4•FWD•AUTOMATIC•gas
2 active safety recalls on this vehicle — view recalls
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Repairs0Labor482Torque2143Fluid7DTC1074Battery1Maintenance0Recalls2
C0140high severityChassis

Electronic Brake Force Distribution Malfunction

on 2009 Mazda Tribute 2.5L I4 · FWD

What this code means

The EBD system that proportions brake force between front and rear has detected a fault.

Symptoms

  • ABS light on
  • Brake warning light on
  • Rear wheels may lock under hard braking
  • Vehicle pulls to one side during braking

Common causes

  • ABS sensor mismatch between front and rear
  • ABS modulator valve fault
  • Uneven brake pad wear front to rear
  • Brake pressure imbalance

Diagnostic steps

  1. Compare all four wheel speed sensor readings during braking
  2. Check brake pad wear at all four corners
  3. Inspect ABS modulator valve codes
  4. Test brake pressure distribution
  5. Verify tire sizes match

Repair notes

{"Diagnose underlying ABS or mechanical brake issue. EBD relies on ABS components to function."}

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