OBD Guide

P28F5

Engine Disconnect Clutch Pressure Sensor Circuit Intermittent/Erratic

P28F5 is an OBD-II diagnostic trouble code meaning: Engine Disconnect Clutch Pressure Sensor Circuit Intermittent/Erratic. Common causes: poor contact in the sensor connector, open or short circuit in the sensor circuit. Estimated repair cost: $28–89.

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

FAQ

What does the P28F5 code mean?

P28F5 is an OBD-II diagnostic trouble code that indicates: Engine Disconnect Clutch Pressure Sensor Circuit Intermittent/Erratic

What causes a P28F5 error code?

The most common causes of P28F5 include: Poor contact in the sensor connector; Open or short circuit in the sensor circuit; Malfunction of the pressure sensor itself; Wiring Harness Problems.

How do I fix a P28F5 diagnostic trouble code?

To fix P28F5: Check connections and sensor connector. Test the sensor circuit for open and short circuits. Check the functionality of the pressure sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P28F5?

Yes, but get it checked soon

How much does it cost to fix P28F5?

The estimated repair cost for P28F5 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat