Result:

p1023

Audi
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Fuel pressure control valve - short to ground
Cause:
    Wiring short to ground, fuel pressure control valve

Volkswagen
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Fuel pressure control valve - short to ground
Cause:
    Wiring short to ground, fuel pressure control valve

Look for code