P20DD
Exhaust Aftertreatment Fuel Pressure Sensor Circuit
P20DD is an OBD-II diagnostic trouble code meaning: Exhaust Aftertreatment Fuel Pressure Sensor Circuit. Common causes: fuel pressure sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
Symptoms
- Check Engine Light Is On
- Reduced engine power
- Increased fuel consumption
- Problems with diesel particulate filter regeneration
- Unstable engine idling
Causes
- Fuel pressure sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in sensor connectors
- Problems with the engine control module
- Dirty or damaged wiring harness
How to Fix
- Check the continuity of the fuel pressure sensor circuit
- Test the fuel pressure sensor
- Check sensor connectors and connections
- If necessary, replace the fuel pressure sensor
- Check and update ECU software
Related codes
Error P20DD by Vehicle Brand
FAQ
What does the P20DD code mean?
P20DD is an OBD-II diagnostic trouble code that indicates: Exhaust Aftertreatment Fuel Pressure Sensor Circuit
What causes a P20DD error code?
The most common causes of P20DD include: Fuel pressure sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in sensor connectors; Problems with the engine control module.
How do I fix a P20DD diagnostic trouble code?
To fix P20DD: Check the continuity of the fuel pressure sensor circuit. Test the fuel pressure sensor. Check sensor connectors and connections. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P20DD?
Yes, but get it checked soon
How much does it cost to fix P20DD?
The estimated repair cost for P20DD is $17–56. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat