OBD Guide

P28F1

Engine Disconnect Clutch Pressure Sensor Circuit

P28F1 is an OBD-II diagnostic trouble code meaning: Engine Disconnect Clutch Pressure Sensor Circuit. Common causes: clutch pressure sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Gear shifting problems
  • Unstable clutch operation
  • Check Engine Light Illuminates
  • Reduced engine power
  • Jerks when shifting gears

Causes

  • Clutch pressure sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Low brake fluid level
  • Engine control unit malfunction

How to Fix

  1. Check the brake fluid level
  2. Inspect the sensor circuit for damage
  3. Check the connections and contacts of the sensor
  4. Test the clutch pressure sensor
  5. Replace sensor if necessary

Related codes

Error P28F1 by Vehicle Brand

FAQ

What does the P28F1 code mean?

P28F1 is an OBD-II diagnostic trouble code that indicates: Engine Disconnect Clutch Pressure Sensor Circuit

What causes a P28F1 error code?

The most common causes of P28F1 include: Clutch pressure sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Low brake fluid level.

How do I fix a P28F1 diagnostic trouble code?

To fix P28F1: Check the brake fluid level. Inspect the sensor circuit for damage. Check the connections and contacts of the sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P28F1?

Limited driving only, diagnose soon

How much does it cost to fix P28F1?

The estimated repair cost for P28F1 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat