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2010 JEEP COMPASS
2.0L I4•AWD•AUTOMATIC•gas
2 active safety recalls on this vehicle — view recalls
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Repairs0Labor546Torque2342Fluid8DTC894Battery1Maintenance0Recalls2
P3009low severityPowertrain

Turbo/Supercharger Intercooler Temperature Sensor Circuit

on 2010 Jeep Compass 2.0L I4 · AWD

What this code means

The charge air cooler (intercooler) temperature sensor is reporting values outside the expected range. The PCM uses this data to optimize boost and timing.

Symptoms

  • Check Engine Light
  • Reduced power in hot conditions
  • Excessive timing retard
  • Poor performance on hot days
  • Inconsistent boost levels

Common causes

  • Faulty intercooler temperature sensor
  • Corroded sensor connector
  • Damaged wiring
  • Clogged intercooler fins
  • Intercooler leak reducing cooling

Diagnostic steps

  1. Read intercooler temp PID and compare to ambient
  2. Test sensor resistance vs temperature chart
  3. Inspect sensor connector for corrosion
  4. Check intercooler for external blockage
  5. Pressure test intercooler for leaks

Repair notes

Replace intercooler temperature sensor. Clean intercooler fins if clogged. Repair any intercooler leaks found.

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🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.
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