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2016 TESLA MODEL S
75 kWh Dual Motor AWD•AWD•AUTOMATIC•ev
10 active safety recalls on this vehicle — view recalls
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Repairs0Labor317Torque3020Fluid5DTC1479Battery1Maintenance0Recalls10
P0558high severityPowertrain

Brake Booster Pressure Sensor Circuit High

on 2016 Tesla Model S 75 kWh Dual Motor AWD · AWD

What this code means

The signal voltage from the brake booster pressure sensor is higher than the expected threshold. This usually indicates an open circuit or short to voltage.

Symptoms

  • Brake warning light on
  • Erratic brake assist
  • Hard brake pedal

Common causes

  • Open circuit in sensor wiring
  • Short to voltage
  • Faulty pressure sensor
  • Poor ground connection

Diagnostic steps

  1. Read stored codes
  2. Measure sensor signal voltage
  3. Check for open or short to power
  4. Replace sensor if wiring is good
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