Volkswagen P12A1: Fuel Rail Pressure Sensor Inappropriately Low
Is your scanner showing Volkswagen P12A1?
No worries. We'll show you what it means and how to deal with it.
Volkswagen P12A1: Fuel Rail Pressure Sensor Inappropriately Low
OVERVIEWWhat Does The Volkswagen P12A1 Code Mean?
engine speed > 600 RPM evap purge adaptation < 22.00 lambda control closed loop fuel cut off not active
What Are The Potential Causes Of The Volkswagen P12A1 Code?
- Check for signal, voltage and ground
- Check harness for open or short
- Check connector for damage.
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
- VW Jetta SportWagen Quick Reference Specification Book – 2012, Volkswagen Group of America, pp. 145, 161.
- VW CC Quick Reference Specification Book – 2012, Volkswagen Group of America, pp. 133, 148, 167.
- VW Golf & GTI Quick Reference Specification Book – 2012, Volkswagen Group of America, pp. 191, 207, 238, 244.
- VW Passat Quick Reference Specification Book – 2012, Volkswagen Group of America, page 187.
- VW Tiguan Quick Reference Specification Book – 2012, Volkswagen Group of America, page 104.
- VW Jetta & GLI Quick Reference Specification Book – 2012, Volkswagen Group of America, pp. 205, 222, 238.
- VW Beetle/Beetle Cabrio Quick Reference Specification Book – 2013, Volkswagen Group of America, page 177.
- VW CC Quick Reference Specification Book – 2014, Volkswagen Group of America, pp. 14, 33, 60.
- VW Beetle/Beetle Cabrio Quick Reference Specification Book – 2014, Volkswagen Group of America, pp. 36, 54.
- VW Golf & GTI Quick Reference Specification Book – 2014, Volkswagen Group of America, pp. 16, 35, 67, 74.
- VW Passat Quick Reference Specification Book – 2014, Volkswagen Group of America, pp. 13, 85.
- VW Jetta & GLI Quick Reference Specification Book – 2014, Volkswagen Group of America, pp. 64, 81, 99.
- VW Touareg Quick Reference Specification Book TT 24-11-02 – 2012, Volkswagen Group of America, pp. 176, 200.
- VW Eos Quick Reference Specification Book TT 24-11-02 – 2012, Volkswagen Group of America, page 121.