Back to 2005 Lexus IS 300

2005 LEXUS IS 300

3.0L I6RWDAUTOMATICgas
Repairs0Labor591Torque3703Fluid7DTC824Battery0Maintenance0Recalls0
P1405moderate severityPowertrain

Turbo Pressure Sensor Circuit

on 2005 Lexus IS 300 3.0L I6 · 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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