Skip to content
P28F1 Powertrain

Engine Disconnect Clutch Pressure Sensor Circuit

The hybrid control module detects a generic fault on the engine disconnect clutch pressure sensor circuit. Engagement pressure cannot be monitored reliably.

Affected components

  • Engine disconnect clutch pressure sensor
  • Wiring harness
  • Hybrid control module

Common causes

  • High likelihood: Pressure sensor failed
  • Medium likelihood: Wiring or connector fault

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.

You might like