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2003 TOYOTA MR2

2.2L I4•FWD•AUTOMATIC•gas
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Repairs0Labor563Torque2395Fluid6DTC734Battery1Maintenance0Recalls0
C0105moderate severityChassis

Brake Pedal Position Sensor Circuit Low

on 2003 Toyota MR2 2.2L I4 · FWD

What this code means

The brake pedal position sensor signal voltage is below the minimum threshold.

Symptoms

  • ABS light on
  • Brake assist fault
  • Module reads brake as always applied

Common causes

  • Short to ground in sensor circuit
  • Faulty sensor
  • Low supply voltage to sensor

Diagnostic steps

  1. Test sensor signal voltage
  2. Check for shorts to ground
  3. Verify supply voltage at sensor
  4. Inspect wiring harness

Repair notes

Repair short circuit or replace brake pedal position sensor.

Other Chassis codes on this vehicle

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