OBD Guide

P28F6

Engine Disconnect Clutch Actuator Circuit Intermittent

P28F6 is an OBD-II diagnostic trouble code meaning: Engine Disconnect Clutch Actuator Circuit Intermittent. Common causes: damage to the drive circuit wiring harness, oxidation or poor contact in connectors. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Unstable engine operation when starting
  • Gear shifting problems
  • Check Engine Light Illuminates
  • Reduced hybrid system efficiency (if applicable)

Causes

  • Damage to the drive circuit wiring harness
  • Oxidation or poor contact in connectors
  • Drive solenoid valve malfunction
  • Problems with the transmission control unit
  • Mechanical damage to the clutch drive

How to Fix

  1. Check the integrity of the wiring harness and connectors
  2. Clean connector contacts if necessary
  3. Check the resistance and operation of the solenoid valve
  4. Scan the transmission control module for other errors
  5. If necessary, replace the clutch drive

Related codes

Error P28F6 by Vehicle Brand

FAQ

What does the P28F6 code mean?

P28F6 is an OBD-II diagnostic trouble code that indicates: Engine Disconnect Clutch Actuator Circuit Intermittent

What causes a P28F6 error code?

The most common causes of P28F6 include: Damage to the drive circuit wiring harness; Oxidation or poor contact in connectors; Drive solenoid valve malfunction; Problems with the transmission control unit.

How do I fix a P28F6 diagnostic trouble code?

To fix P28F6: Check the integrity of the wiring harness and connectors. Clean connector contacts if necessary. Check the resistance and operation of the solenoid valve. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P28F6?

Yes, but get it checked soon

How much does it cost to fix P28F6?

The estimated repair cost for P28F6 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat