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2017 CHEVROLET IMPALA

2.5L I4 EcotecAWDAUTOMATICgas
Repairs0Labor990Torque7715Fluid15DTC1938Battery2Maintenance0Recalls0
P3025moderate severityPowertrain

CVT Fluid Temperature Sensor Circuit

on 2017 Chevrolet Impala 2.5L I4 Ecotec · AWD

What this code means

The CVT fluid temperature sensor is reporting values outside the expected range.

Symptoms

  • Check Engine Light
  • Incorrect temperature display
  • Fan may run continuously
  • Transmission may overheat
  • Delayed protection mode activation

Common causes

  • Faulty temperature sensor
  • Corroded sensor connector
  • Damaged wiring
  • Sensor out of calibration
  • Short in circuit

Diagnostic steps

  1. Read CVT fluid temp PID
  2. Compare to actual temp with infrared thermometer
  3. Test sensor resistance vs temperature
  4. Inspect connector and wiring
  5. Check for shorts to ground or power

Repair notes

Replace CVT fluid temperature sensor.

Other Powertrain codes on this vehicle

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