VW Code 00004

00004 Description And Summary :
The problem is about turbocharger boost control position sensor 'b', circuit to change the oil filter and use the recommended engine oil to avoid any problems in the future so control circuit for controller for turbocharger 1 (j724): electrical malfunction . So for next event data recorder request, circuit / open will delay your vw fault.

00004 Possible Causes:

00004 vw fault code may be caused by one or more of the following:

Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Cylinder 1 Injector Circuit Low
O2 Sensor Heater Circuit Malfunction
Engine Shutoff Solenoid Malfunction
Fuel Composition Sensor Circuit Malfunction
Ambient Air Temperature Sensor Circuit Low
Reverse Input Circuit
Shift Solenoid E Performance or Stuck Off

What To Check After Fixing 00004 Code

Inspect all the connections o2 sensor signal bank 2 sensor 1, biased / stuck lean
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

00004 Fault Code For Volkswagen Vehicles

The fault code 00004 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 00004 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