OBD Guide

P28F0

Engine Disconnect Clutch Actuator Stuck On

P28F0 is an OBD-II diagnostic trouble code meaning: Engine Disconnect Clutch Actuator Stuck On. Common causes: clutch release solenoid valve malfunction, mechanical valve jamming in open position. Estimated repair cost: $17–67.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–67 (est.)

Symptoms

  • Rough engine idling
  • Problems with gear shifting (for robotic gearboxes)
  • Deterioration in braking performance
  • Increased fuel consumption
  • Engine warning light comes on

Causes

  • Clutch release solenoid valve malfunction
  • Mechanical valve jamming in open position
  • Short circuit in valve control circuit
  • Problems with vacuum lines or connections
  • Engine control unit malfunction

How to Fix

  1. Diagnosis of the condition of the solenoid valve and its control circuit
  2. Checking the integrity of vacuum lines and connections
  3. Replacing a faulty solenoid valve
  4. Check and repair wiring if necessary
  5. Reset the fault code and test run the system

Related codes

Error P28F0 by Vehicle Brand

FAQ

What does the P28F0 code mean?

P28F0 is an OBD-II diagnostic trouble code that indicates: Engine Disconnect Clutch Actuator Stuck On

What causes a P28F0 error code?

The most common causes of P28F0 include: Clutch release solenoid valve malfunction; Mechanical valve jamming in open position; Short circuit in valve control circuit; Problems with vacuum lines or connections.

How do I fix a P28F0 diagnostic trouble code?

To fix P28F0: Diagnosis of the condition of the solenoid valve and its control circuit. Checking the integrity of vacuum lines and connections. Replacing a faulty solenoid valve. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P28F0?

Limited driving only, diagnose soon

How much does it cost to fix P28F0?

The estimated repair cost for P28F0 is $17–67. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat