OBD Guide

P28CD

Clutch A Pressure Sensor Circuit/Open

P28CD is an OBD-II diagnostic trouble code meaning: Clutch A Pressure Sensor Circuit/Open. Common causes: broken wire to clutch pressure sensor, clutch pressure sensor malfunction. Estimated repair cost: $22–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–89 (est.)

Symptoms

  • Check Engine light comes on
  • Gear shifting problems
  • Unusual clutch behavior
  • Reduced engine power
  • Switching to emergency operation

Causes

  • Broken wire to clutch pressure sensor
  • Clutch pressure sensor malfunction
  • Oxidation of contacts in the sensor connector
  • Wiring harness damage
  • Transmission control unit malfunction

How to Fix

  1. Checking the integrity of the wiring to the sensor
  2. Diagnostics of pressure sensor resistance
  3. Cleaning the contacts in the sensor connector
  4. Replacing the clutch pressure sensor if necessary
  5. Checking the operation of the transmission control unit

Related codes

Error P28CD by Vehicle Brand

FAQ

What does the P28CD code mean?

P28CD is an OBD-II diagnostic trouble code that indicates: Clutch A Pressure Sensor Circuit/Open

What causes a P28CD error code?

The most common causes of P28CD include: Broken wire to clutch pressure sensor; Clutch pressure sensor malfunction; Oxidation of contacts in the sensor connector; Wiring harness damage.

How do I fix a P28CD diagnostic trouble code?

To fix P28CD: Checking the integrity of the wiring to the sensor. Diagnostics of pressure sensor resistance. Cleaning the contacts in the sensor connector. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P28CD?

Limited driving only, diagnose soon

How much does it cost to fix P28CD?

The estimated repair cost for P28CD is $22–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat