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2020 TOYOTA 86

2.0L H4RWDAUTOMATICgas
Repairs0Labor595Torque3506Fluid7DTC940Battery1Maintenance0Recalls0
P1405moderate severityPowertrain

Turbo Pressure Sensor Circuit

on 2020 Toyota 86 2.0L H4 · RWD

What this code means

The ECM detected a fault in the turbo boost pressure sensor circuit.

Symptoms

  • CEL
  • Loss of boost
  • Reduced power
  • Poor acceleration

Common causes

  • Faulty boost sensor
  • Damaged wiring
  • Boost leak
  • Corroded connector

Diagnostic steps

  1. Test sensor voltage
  2. Check for boost leaks
  3. Inspect wiring
  4. Compare to specs

Repair notes

Replace boost pressure sensor.

Other Powertrain codes on this vehicle

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