OBD Guide

P28DD

Clutch B Pressure Sensor Circuit Low

P28DD is an OBD-II diagnostic trouble code meaning: Clutch B Pressure Sensor Circuit Low. Common causes: clutch pressure sensor fault b, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Incorrect gear shifting
  • Delays when shifting gears
  • Jerks when moving
  • Check Engine light comes on
  • Reduced engine performance

Causes

  • Clutch pressure sensor fault B
  • Open or short circuit in the sensor circuit
  • Poor connection or corrosion of the sensor connector
  • Transmission Control Module (TCM) Problems
  • Low transmission fluid level

How to Fix

  1. Check transmission fluid level
  2. Inspect the connector and wiring of clutch pressure sensor B
  3. Check sensor resistance and voltage
  4. Replace clutch pressure sensor B if necessary
  5. Check and replace the Transmission Control Module (TCM) if necessary.

Related codes

Error P28DD by Vehicle Brand

FAQ

What does the P28DD code mean?

P28DD is an OBD-II diagnostic trouble code that indicates: Clutch B Pressure Sensor Circuit Low

What causes a P28DD error code?

The most common causes of P28DD include: Clutch pressure sensor fault B; Open or short circuit in the sensor circuit; Poor connection or corrosion of the sensor connector; Transmission Control Module (TCM) Problems.

How do I fix a P28DD diagnostic trouble code?

To fix P28DD: Check transmission fluid level. Inspect the connector and wiring of clutch pressure sensor B. Check sensor resistance and voltage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P28DD?

Yes, but get it checked soon

How much does it cost to fix P28DD?

The estimated repair cost for P28DD is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat