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P0242moderate severityPowertrain

Turbocharger/Supercharger Boost Sensor B Circuit High

on 2007-2017 Jeep Compass 2.4L I4 · AWD

What this code means

The boost sensor B circuit voltage is higher than expected. This indicates a high signal or open/short to voltage condition.

Symptoms

  • Overboost condition
  • Reduced power
  • Check engine light

Common causes

  • Short to voltage in wiring
  • Faulty boost sensor
  • Open ground circuit
  • Corroded connector

Diagnostic steps

  1. Measure sensor signal voltage
  2. Inspect wiring for shorts to power
  3. Verify sensor ground integrity
  4. Replace sensor if faulty

Other Powertrain codes on this vehicle

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