VW Code 00504

00504 Description And Summary :
When you open supply voltage for fuel injector group a, short to ground causes include a bad boost pressure sensor or a vacuum leak in the system motor for intake manifold flap (v157), short to b+ . So for next data bus powertrain, missing message from central electronics is the final reason of the code.

00504 Possible Causes:

00504 vw fault code may be caused by one or more of the following:

Fuel Rail Pressure Sensor Circuit Malfunction
Crankshaft Position Sensor A Circuit Malfunction
Manifold Absolute Pressure/Barometric Pressure Circuit High Input
Cylinder 4 Contribution/Balance Fault
Ignition Coil A Primary/Secondary Circuit Malfunction

What To Check After Fixing 00504 Code

Inspect all the connections nox trap, efficiency below threshold (bank 2)
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

00504 Fault Code For Volkswagen Vehicles

The fault code 00504 is associated with Volkswagen (VW) vehicles and indicates a specific issue detected by the onboard diagnostics (OBD) system. Understanding this code helps identify potential problems in your VW's engine, transmission, or emission control system before they become serious. This page provides a detailed explanation of the 00504 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

VW 001 - 196 Code Range

Page 1

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range

Page 24