OBD Guide

P28F5

Engine Disconnect Clutch Pressure Sensor Circuit Intermittent/Erratic

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Rough gear shifting
  • Problems with the start-stop system
  • Check Engine Light Is On
  • Reduced transmission efficiency
  • Enabling transmission emergency mode

Causes

  • Poor contact in the sensor connector
  • Open or short circuit in the sensor circuit
  • Malfunction of the pressure sensor itself
  • Wiring Harness Problems
  • Transmission control module malfunction

How to Fix

  1. Check connections and sensor connector
  2. Test the sensor circuit for open and short circuits
  3. Check the functionality of the pressure sensor
  4. Inspect the wiring harness for damage
  5. If necessary, replace the clutch pressure sensor

Related codes

Error P28F5 by Vehicle Brand