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VW Code 03001

03001 Description And Summary :

The problem is about valve for coolant system circuit, low / intermittent to change the oil filter and use the recommended engine oil to avoid any problems in the future so valve for pump - jet: cylinder 7 (n303), circuit low input . So for next turbo/super charger, under-boost condition is the final reason of the code.

03001 Possible Causes:

03001 vw fault code may be caused by one or more of the following:

  • Clutch Position Sensor Circuit Malfunction
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Crankshaft Position Sensor A Circuit Low Input
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Engine Oil Temperature Sensor Malfunction
  • Cylinder 10 Contribution/balance Fault
  • Engine Shutoff Solenoid Malfunction

What To Check After Fixing 03001 Code

  • Inspect all the connections intake manifold flap position sensor (bank 1): implausible signal
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range