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P28F2 Powertrain

Engine Disconnect Clutch Pressure Sensor Circuit Range/Performance

The engine disconnect clutch pressure signal does not match plausibility checks against actuator commands. Sensor drift or installation offset.

Affected components

  • Engine disconnect clutch pressure sensor
  • Hybrid control module

Common causes

  • High likelihood: Sensor zero point drifted
  • Medium likelihood: Sensor mounting loose - bias offset
  • Low likelihood: Sensor element aged beyond calibration window

Possible symptoms

  • Check engine or transmission warning light on
  • Harsh, delayed, or missing shifts
  • Possible limp mode (locked in one gear)
  • Slipping or shuddering during gear changes

Diagnostic notes

  • The malfunction indicator lamp may illuminate
  • Reduced-power or limp mode may occur

Sources

Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.

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