P28DD

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