Audi P129C: Fuel Pressure Regulator 2 Control Circuit Low
Is your scanner showing Audi P129C?
No worries. We'll show you what it means and how to deal with it.
Audi P129C: Fuel Pressure Regulator 2 Control Circuit Low
OVERVIEWWhat Does The Audi P129C Code Mean?
Evap purge valve Commanded off. Engine relay, Commanded on
What Are The Potential Causes Of The Audi P129C Code?
Below are some potential causes of this DTC:
- Check for signal, voltage and ground
- Check harness for open or short
- Check connector for damage.
- Fuel pressure sensor
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> Bosch Automotive 0261545059 Original Equipment Fuel Pressure Sensor
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Audi P129C, DTCDECODE.